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Updated On: 9 May 2025
8-Valve (8v) Engine Variants

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Body - PreviousSpeed and Reference Sensors – Checking, Replacement, and Adjustment – 2.5L NANext - Body944 Paint Codes – 2.5L NA

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CONTENTS:

Compiled by reviewing multiple sources. We attempt to always ensure credit goes to their respective originators. Please contact us if we have missed anything? 

Knowledge Base

Troubleshooting – Heating, Ventilation, and Air Conditioning (HVAC) – 2.5L NA

Overview This guide provides troubleshooting steps for common Heating, Ventilati

Troubleshooting – Electrical (including Instruments) – 2.5L NA

Overview This guide provides troubleshooting steps for electrical and instrument

Troubleshooting – Suspension and Steering – 2.5L NA

Overview This troubleshooting guide is designed to help identify and repair susp

Troubleshooting – Brakes – 2.5L NA

Overview This troubleshooting guide is designed to help diagnose and resolve bra

Troubleshooting – Automatic Transmission – 2.5L NA

Overview This troubleshooting guide is designed to help diagnose and resolve aut

Troubleshooting – Manual Transmission – 2.5L NA

Overview This troubleshooting guide is tailored for the Porsche 944 3.0L S2 (198

Troubleshooting – Clutch – 2.5L NA

Overview This guide provides a systematic approach to diagnosing and resolving c

Troubleshooting – Fuel System – 2.5L NA

Overview This troubleshooting guide is designed to help identify and repair fuel

Troubleshooting – Cooling System – 2.5L NA

Overview This troubleshooting guide is designed to help identify and resolve coo

Troubleshooting – Engine – 2.5L NA

Overview This troubleshooting guide is tailored for the Porsche 944 3.0L S2 (198

Transaxle – General Information, Codes, and Gear Ratios

Overview The transaxle is a critical component of the Porsche 944 2.5L NA (1982–

Sealants – 2.5L NA

Overview This procedure outlines the recommended sealants for maintenance and re

944 Option Codes – 2.5L NA

Overview The following list details the option codes specific to the Porsche 944

Periodic Maintenance Schedule – 2.5L NA

Overview The Periodic Maintenance Schedule for the Porsche 944 3.0L S2 (1989–199

Oil Pressure Relief Valve – 2.5L NA

Overview The oil pressure relief valve in the Porsche 944 3.0L S2 (1989–1991) re

Cylinder Head Tightening Sequence and Torque Specifications – 2.5L NA

Overview The cylinder head tightening sequence and torque specifications procedu

Oxygen Gauge and Sensor – Information, Troubleshooting, Replacement, and Adjustment – 2.5L NA

Overview This procedure outlines how to troubleshoot and replace the oxygen (O2)

DME Temperature Gauge and Sensor – Information, Troubleshooting, and Testing – 2.5L NA

Overview This procedure outlines how to troubleshoot and test the DME temperatur

Coolant Temperature Gauge and Sensor – Information, Troubleshooting, and Testing – 2.5L NA

Overview This procedure outlines how to troubleshoot and test the coolant temper

Oil Pressure Sender – Bench Test – 2.5L NA

Overview This procedure outlines how to bench test the oil pressure sender for a

Oil Pressure Gauge and Sensor – Troubleshooting, and Testing – 2.5L NA

Overview The oil pressure gauge and sensor in all Porsche 944 variants with an 8

Late 944 Fuse List (1985.5 and Newer) – 2.5L NA

Overview This fuse list details the electrical fuse assignments for the Porsche

Early 944 Fuse List (pre-1985.5) – 2.5L NA

Overview The Early 944 Fuse List (pre-1985.5) provides a detailed mapping of the

Oil Pressure Relief Valve

Overview The oil pressure relief valve in the Porsche 944 S / S2 (16v engine, 19

Control Arms – General Information, Rebuilding, and Aftermarket Replacements

Troubleshooting

Torque Tube Removal, Rebuilding, and Installation – 2.5L NA

Overview This guide outlines the procedure for removing, rebuilding, and install

Transaxle Installation – 2.5L NA

Overview This guide details the procedure for installing the transaxle on all Po

Transaxle Removal – 2.5L NA

Overview This guide outlines the procedure for removing the transaxle from all P

Transaxle – Checking, Repairing, and Replacing the Shift Lever and Shift Linkage – 2.5L NA

Overview This procedure outlines how to check, repair, and replace the shift lev

Manual Transaxle Fluid Change – 2.5L NA

Overview This procedure outlines the steps to change the manual transaxle fluid

Clutch Slave Cylinder Replacement and Bleeding – 2.5L NA

Overview This guide outlines the procedure to replace the clutch slave cylinder

Clutch Master Cylinder Replacement – 2.5L NA

Overview This guide outlines the procedure to replace the clutch master cylinder

Clutch Replacement – 2.5L NA

Overview This procedure outlines the steps to replace the clutch on all Porsche

Checking Clutch Disc Wear – 2.5L NA

Overview This procedure outlines how to check the clutch disc wear on all Porsch

Transmission and Clutch

Jacking a 944 / Placing a 944 on Jack Stands – 2.5L NA

Overview This guide explains how to safely lift a Porsche 944 (8-valve engine) a

Allen Head and Cheesehead Bolt Removal – 2.5L NA

Overview This procedure outlines the steps to safely remove Allen head and Chees

Miscellaneous

Speed and Reference Sensors – Checking, Replacement, and Adjustment – 2.5L NA

Overview This procedure outlines how to check, replace, and adjust the speed and

Changing Spark Plugs / Checking the Condition of the Spark Plugs – 2.5L NA

Overview This procedure outlines how to replace the spark plugs on all Porsche 9

Ignition System Troubleshooting – 2.5L NA

Overview This guide outlines the steps to diagnose a no-spark condition in the i

Ignition Switch Replacement – 2.5L NA

Overview This procedure outlines the steps to replace the ignition switch on all

Ignition Switch and Wiring Test – 2.5L NA

Overview This procedure tests the ignition switch and its wiring to the starter

Idle Control Motor (Idle Stabilizer) Replacement -2.5L NA

Overview This procedure outlines the steps to replace the idle control motor (al

Idle Speed Adjustment – 2.5L NA

Overview This guide outlines the procedure to adjust the idle speed on all Porsc

Fuel System Leakdown Test – 2.5L NA

Overview This procedure helps diagnose fuel system leakdown issues in the Porsch

Fuel Pump Suction Strainer – Removing, Cleaning, and Replacing – 2.5L NA

Overview This procedure outlines the steps to remove, clean, and replace the fue

Fuel Pump Replacement – 2.5L NA

Overview This guide outlines the procedure to replace the fuel pump on all Porsc

Fuel Pump Delivery Rate – Checking -2.5L NA

Overview This procedure checks the fuel pump delivery rate on the Porsche 944 (8

Fuel Pressure Regulator Replacement -2.5L NA

Overview This procedure outlines the steps to replace the fuel pressure regulato

Fuel Rail Adapter – Making an Adapter for Non-Metric Thread Fuel Pressure Gauges -2.5L NA

Overview This procedure outlines how to create a Metric-to-SAE adapter for using

Fuel Pressure – Checking – 2.5L NA

Overview This procedure outlines how to check the fuel pressure in the Porsche 9

Fuel Injector and Fuel Rail Removal and Installation – 2.5L NA

Overview This procedure outlines the steps to remove and install the fuel inject

Fuel Filter Replacement -2.5L NA

Overview This procedure outlines the steps to replace the fuel filter on all Por

Distributor Cap and Rotor Replacement – 2.5L NA

Overview This procedure outlines the steps to replace the distributor cap and ro

Air Filter Housing and Air Flow Sensor – Removal -2.5L NA

Overview This procedure guides you through removing the air filter housing and a

Air Filter Housing and Air Flow Sensor – Installation – 2.5L NA

Overview This procedure guides you through installing the air filter housing and

Locating and Setting Engine to TDC – 2.5L NA

Overview This procedure sets the Porsche 944 (8-valve engine) to Top Dead Center

Oil Pump Removal – 2.5L NA

Overview This procedure outlines the steps to remove the oil pump from all Porsc

Oil Pump Installation -2.5L NA

Overview This procedure outlines the steps to install a new or refurbished oil p

Oil Pressure Sending Unit Replacement – 2.5L NA

Overview This procedure outlines the steps to replace the oil pressure sending u

Oil Pan Gasket Replacement – 2.5L NA

Overview This procedure outlines the steps to replace the oil pan gasket on all

Oil Cooler – Seal Replacement – 2.5L NA

Overview This procedure outlines the steps to replace the oil cooler seals on a

Oil Pan Removal – 2.5L NA

Overview This procedure outlines the steps to remove the oil pan on all the Pors

Engine Filter Change – 2.5L NA

Overview This procedure outlines how to change the engine oil filter on all Pors

Engine Oil Change – 2.5L NA

Overview This procedure outlines how to change the engine oil on all Porsche 944

Intake Manifold Removal and Installation – 2.5L NA

Overview This guide provides step-by-step instructions for removing and installi

Flywheel Lock Installation – 2.5L NA

Overview This procedure outlines the steps to install a flywheel lock on all the

Exhaust System Removal and Installation -2.5L NA

Overview This procedure outlines the steps to remove and install the exhaust sys

Engine Installation – 2.5L NA

Overview This guide outlines the procedure for installing an 8-valve engine in a

Engine Removal – 2.5L NA

Overview This guide outlines the procedure to remove the engine from all Porsche

Motor Mounts – Replacing – 2.5L NA

Overview This procedure outlines how to replace the motor mounts on all Porsche

Crank Scraper Install – 2.5L NA

Overview Installing a crank scraper on all Porsche 944 variants (8-valve engine)

Crankshaft – Rear Oil Seal Replacement – 2.5L NA

Overview This procedure replaces the rear crankshaft oil seal on all Porsche 944

Front Crankshaft Oil Seal Replacement – 2.5L NA

Overview This procedure replaces the front crankshaft oil seal on all Porsche 94

Coolant System Draining, Filling, and Venting – 2.5L NA

Overview This procedure guides you through draining, filling, and venting the co

Radiator Installation – 2.5L NA

Overview This guide details the steps to install the radiator on all Porsche 944

Radiator Removal – 2.5L NA

Overview This guide details the steps to remove the radiator from all Porsche 94

Thermofan Switch Replacement – 2.5L NA

Overview This procedure outlines the steps to replace the thermofan switch on al

Thermostat Replacement – 2.5L NA

Overview This procedure outlines how to replace the thermostat in all Porsche 94

Water Pump Information and Replacement – 2.5L NA

Overview This procedure outlines the steps to replace the water pump on all Pors

Camshaft (Timing) Belt Tension – Checking and Adjusting – 2.5L NA

Overview This procedure outlines how to check and adjust the tension of the cams

Camshaft (Timing) Belt Removal – 2.5L NA

Overview This procedure outlines the steps to remove the camshaft (timing) belt

Camshaft (Timing) Belt Installation

Overview This procedure outlines the steps to install the camshaft (timing) belt

Camshaft Assembly Removal

Overview This procedure outlines the steps to remove the camshaft assembly from

Oil Pressure Sender – Bench Test

Overview This procedure outlines how to bench test the oil pressure sending unit

Camshaft Assembly Oil Seal Replacement

Overview This procedure outlines the steps to replace the camshaft assembly oil

Camshaft Belt – General Information, Maintenance Intervals, Part Numbers – 2.5L NA

Overview This guide provides general information, maintenance intervals, and par

Balance Shaft Oil Seal Replacement – 2.5L NA

Overview This procedure outlines the steps to replace the balance shaft oil seal

Balance Shaft Sprocket Installation and Alignment Check – 2.5L NA

Overview This procedure outlines how to install the balance shaft sprockets and

Balance Shaft Belt Tension – Checking and Adjusting – 2.5L NA

Overview Checking and adjusting the balance shaft belt tension on the Porsche 94

Balance Shaft Belt Installation – 2.5L NA

Overview Installing the balance shaft belt on the Porsche 944 (8-valve engine) i

Balance Shaft Belt Removal – 2.5L NA

Overview Removing the balance shaft belt on the Porsche 944 (8-valve engine) is

Balance Shaft Belt – General Information, Maintenance Intervals, Part Number – 2.5L NA

Overview The balance shaft belt in the Porsche 944 (9-valve engine) works with t

Turn Signals – Common Problems and Repairs – 2.5L NA

Overview This guide addresses common turn signal issues on the Porsche 944 (8-va

Removing Late 944 (1985.5 and newer) Gauge Cluster – 2.5L NA

Overview This procedure outlines the steps to remove the gauge cluster from a Po

Starter Removal and Installation – 2.5L NA

Overview This guide outlines the procedure for removing and installing the start

Removing Early 944 Gauges – 2.5L NA

Overview This procedure outlines how to remove the gauge cluster from all Porsch

Checking Starter Operation – 2.5L NA

Overview This procedure helps diagnose issues with the starter on a Porsche 944

Speedometer, Gear Ratio, and Tire Size Manual Calculations – 2.5L NA

Overview This procedure explains how to manually calculate the tire circumferenc

Speedometer, Gear Ratio, and Tire Size Calculator – 2.5L NA

Overview This procedure helps you calculate your Porsche 944’s speedometer

Rear Hatch Defroster Troubleshooting and Repair – 2.5L NA

Overview This procedure helps diagnose and fix issues with the rear hatch defros

Oxygen Sensor General Information, Testing, and Replacement – 2.5L NA

Overview The oxygen (O2) sensor in the Porsche 944 (8-valve engine) measures the

Odometer Repair – 2.5L NA

Overview This procedure outlines how to repair a faulty odometer in all Porsche

Headlight Operating Mechanism Lubrication – 2.5L NA

Overview This procedure lubricates the headlight operating mechanism on the Pors

Headlight Motor Removal, Cleaning, and Installation – 2.5L NA

Overview This procedure outlines the steps to remove, clean, and reinstall the h

Headlight Motor Circuit – Operation and Repair – 2.5L NA

Overview This guide outlines the operation and repair of the headlight motor cir

Removing Late 944 (1985.5 and newer) Gauge Cluster – 2.5L NA

Overview This procedure outlines the steps to remove the gauge cluster from a Po

DME Control Unit Removal – 2.5L NA

Overview This procedure outlines the steps to remove the DME (Digital Motor Elec

DME Control Unit Installation – 2.5L NA

Overview This procedure outlines the steps to install the DME (Digital Motor Ele

DME Control Unit Chip Installation – 2.5L NA

Overview This procedure outlines the steps to replace the chip in the DME (Digit

Cruise Control – General Information and Repair – 2.5L NA

Overview The cruise control system in the Porsche 944 (8-valve engine configurat

Clock and Temperature Controls Removal and Replacement – 2.5L NA

Overview This procedure guides you through removing and replacing the clock, cig

Excessive Battery Discharge Rate – 2.5L NA

Overview This procedure helps diagnose and resolve excessive battery discharge i

Battery Tray Leaks/Repairs – 2.5L NA

Overview This procedure addresses leaks in the battery tray of a Porsche 944 (8-

Battery Checks – 2.5L NA

Overview The Battery Checks procedure for the Porsche 944 (8-valve engine varian

Alternator Replacement – 2.5L NA

Overview This guide outlines the procedure to replace the alternator on all Pors

Alarm System – Bypassing – 2.5L NA

Overview This procedure guides you through bypassing the alarm system on all Por

Electrical

Rear Wheel Bearing Replacement – Aluminum Trailing Arm – 2.5L NA

Overview This procedure outlines the steps to replace the rear wheel bearing on

Rear Wheel Bearing Replacement – Steel Trailing Arm – 2.5L NA

Overview This procedure outlines the steps to replace the rear wheel bearings on

Front Wheel Bearings – Checking, Adjustment, Repacking, and Replacement – 2.5L NA

Overview This procedure outlines how to check, adjust, repack, and replace the f

Torsion Bars – Removing, Replacing, and Indexing – 2.5L NA

Overview This procedure guides you through removing, replacing, and indexing the

Turn Signals – Common Problems and Repairs

Overview This guide addresses two common turn signal issues on the Porsche 944 (

Rear Hatch Defroster Troubleshooting and Repair

Overview This guide provides step-by-step instructions for troubleshooting and r

Oxygen Gauge and Sensor – Troubleshooting, Replacement, and Adjustment

Overview This procedure tests the oxygen (O2) sensor on the Porsche 944 (16v eng

DME Temperature Gauge and Sensor – Troubleshooting and Testing

Overview This procedure tests the DME temperature sensor on the Porsche 944  (16

Coolant Temperature Gauge and Sensor – Troubleshooting and Testing

Overview This procedure tests the coolant temperature gauge and sensor on the Po

Fuel Line Replacement – 2.5L NA

Overview This procedure replaces the fuel delivery and return lines on the Porsc

Rear Sway Bar Removal and Installation – 2.5L NA

Overview This procedure outlines the steps to remove and install the rear sway b

Front Sway Bar Removal and Installation – 2.5L NA

Overview This procedure outlines the steps to remove and install the front sway

Suspension Information and Upgrades – 2.5L NA

Overview This guide provides an overview of suspension dynamics and upgrade opti

Shock Replacement – 2.5L NA

Overview Replacing worn shocks on your Porsche 944 (8-valve engine configuration

Power Steering Rack Replacement – 2.5L NA

Overview This procedure replaces the power steering rack on a Porsche 944 (8-val

Power Steering Rack Rebuild – 2.5L NA

Overview This procedure guides you through rebuilding the power steering rack on

Power Steering Pump Replacement – 2.5L NA

Overview This procedure outlines the steps to replace the power steering pump on

Checking the Brake System – 2.5L NA

Overview This procedure outlines how to inspect the brake system on your Porsche

Electric Window Troubleshooting – 2.5L NA

Overview This guide helps diagnose and fix issues with the electric windows on y

Sunroof – Plastic Gear Replacement – 2.5L NA

Overview This procedure guides you through replacing the plastic gears in the su

Removing Late 944 (1985.5 and newer) Gauge Cluster

Overview This procedure guides you through removing the gauge cluster from a Por

Strut Removal and Replacement

Overview This procedure outlines the steps to remove and replace the front strut

CV Joints – Installation

Overview This guide details the steps to install Constant Velocity (CV) joints a

CV Joints – Removal

Overview This guide outlines the steps to remove the Constant Velocity (CV) join

Strut Removal and Replacement – 2.5L NA

Overview This procedure outlines the steps to remove and replace the front strut

CV Joints – General Information and Maintenance – 2.5L NA

Overview This guide provides general information and maintenance procedures for

CV Joints – Installation – 2.5L NA

Overview This guide outlines the procedure to install the Constant Velocity (CV)

CV Joints – Removal – 2.5L NA

Overview This guide outlines the procedure to remove the Constant Velocity (CV)

CV Joint Boot Check – 2.5L NA

Overview The CV (Constant Velocity) joint boots on your Porsche 944 (8-valve eng

Control Arm Replacement – 2.5L NA

Overview This procedure outlines the steps to replace the front control arm on a

Brakes – Inspecting / Replacing Brake Rotors – 2.5L NA

Overview This procedure guides you through inspecting and replacing the brake ro

Brakes – Parking Brake Adjustment – 2.5L NA

Overview This procedure adjusts the parking brake on all Porsche 944 variants wi

Brakes – Master Cylinder Replacement – 2.5L NA

Overview This procedure outlines how to replace the brake master cylinder on all

Brake Fluid Replacement and Bleeding Brakes – 2.5L NA

Overview This procedure replaces old brake fluid and bleeds the brake system to

Brake Pads – Checking Pad Thickness and Replacing Pads – 2.5L NA

Overview This guide covers checking the thickness of brake pads and replacing th

Brakes and Suspension

Cam / Valve Cover Gasket Replacement

Overview This guide provides step-by-step instructions for replacing the cam/val

Sunroof Component Testing – 2.5L NA

Overview This procedure tests and troubleshoots the electrical components of the

Sunroof Operation, Troubleshooting, and Repair – 2.5L NA

Overview This procedure covers the operation, troubleshooting, and repair of the

Stone Guard Removal and Installation- 2.5L NA

Overview This procedure outlines the steps to remove and install stone guards on

Steering Wheel Removal and Installation – 2.5L NA

Overview This procedure outlines how to remove and install the steering wheel on

Stereo – Rear Speaker Replacement – 2.5L NA

Overview This procedure guides you through replacing the rear speakers in all Po

Door Panels – Removal and Installation

Overview This procedure explains how to remove and install the door panels on a

Sunroof Slip Clutch Adjustment

Overview This procedure explains how to adjust the sunroof slip clutch on a Pors

Compressor Removal and Installation

Overview This procedure details how to remove and install the air conditioning (

Refrigerant Evacuation and Recharge

Overview This procedure outlines how to evacuate and recharge the air conditioni

Door Panel Removal and Installation

Overview This procedure outlines how to remove and install the door panel on a P

Stereo – Head Unit and Speaker Replacement Guide – 2.5L NA

Overview This guide covers the replacement of the stereo head unit and speakers

Rear Hatch Strut Replacement – 2.5L NA

Overview This procedure outlines how to replace the rear hatch struts on all Por

Rear Hatch – Squeaking – 2.5L NA

Overview This procedure addresses squeaking or rattling noises from the rear hat

Painting a 944 – 2.5L NA

Overview This guide outlines the process for properly painting a Porsche 944 (8-

944 Paint Codes – 2.5L NA

Overview This procedure helps you identify the paint codes for your Porsche 944

Nose / Header Panel – Removal and Installation – 2.5L NA

Overview This guide outlines the procedure for removing and installing the nose

Mirror Removal and Installation – Exterior – 2.5L NA

Overview This procedure outlines how to remove and install the exterior side mir

Hood Strut Replacement – 2.5L NA

Overview This procedure outlines the steps to replace the hood struts on all Por

Hood Insulation – Removal – 2.5L NA

Overview This procedure guides you through removing the hood insulation on a Por

Hood Crest – Removal and Installation – 2.5L NA

Overview This procedure outlines how to remove and install the hood crest on the

Clock and Temperature Controls Removal and Replacement – 2.5L NA

Overview This procedure guides you through removing and replacing the clock, cig

HVAC Operation and Malfunctions – 2.5 L NA

Overview This guide explains how the heating, ventilation, and air conditioning

Heater Core Removal and Replacement – 2.5L NA

Overview This procedure explains how to remove and replace the heater core in a

Air Conditioning Troubleshooting and Repair – 2.5L NA

Overview This procedure provides troubleshooting steps and repairs for the Porsc

Door Panel Removal and Installation – 2.5L NA

Overview This procedure explains how to safely remove and reinstall the door pan

Door Handle – Removal, Installation, and Adjustment – 2.5L NA

Overview This procedure covers the removal, installation, and adjustment of the

Late 944 Dash Replacement (1985.5 and Newer) – 2.5L NA

Overview Replacing the dashboard in a Porsche 944 (8-valve engine variants, 1985

Early 944 Dash Replacement (Pre-1985.5) – 2.5L NA

Overview This procedure guides you through replacing the dashboard in a Porsche

Exterior Color Codes – 2.5L NA

Overview This procedure helps you identify the correct paint codes for your Pors

Interior Color Codes – 2.5L NA

Overview This guide helps you identify the interior color codes for all the Pors

Cargo Cover Repair – 2.5L NA

Overview This procedure repairs the cargo cover (rear shade) on a Porsche 944 (8

Bumper Cover Removal – 2.5L NA

Overview This guide provides step-by-step instructions for removing the front bu

Body

Radiator Installation

Overview This procedure outlines the steps to install a radiator in your Porsche

DME Control Unit Installation

Overview This procedure outlines the installation of the DME (Digital Motor Elec

Oil Pan Removal

Overview This guide walks you through removing the oil pan on a Porsche 944 S /

Air Filter Housing and Air Flow Sensor – Removal

Overview This procedure guides you through removing the air filter housing and a

Transaxle Installation

Overview This guide walks you through installing the transaxle on a Porsche 944

Late 944 Fuse List (1985.5 and Newer)

Overview This guide provides a detailed list of the fuses in the central electri

Camshaft Assembly Removal

Overview This guide details the removal of the camshaft assembly from a Porsche

Camshaft Assembly Installation

Overview This procedure outlines the steps to install the camshaft assembly on t

Air Flow Meter (AFM) Operation and Testing – 2.5L NA

Overview This guide explains how to test the Air Flow Meter (AFM) on your Porsch

Fuel and Ignition

Buyer’s Guide – Porsche 944 S2

Overview So, you’re eyeing a Porsche 944 S2 — great choice! It’s a sweet spot in

Camshaft Chain and Tensioner Replacement (16V)

Overview This procedure replaces the camshaft chain and tensioner on the Porsche

Camshaft (Timing) Belt Tension – Checking and Adjusting

Overview This procedure explains how to check and adjust the tension of the cams

Camshaft (Timing) Belt Removal

Overview This procedure walks you through removing the camshaft timing belt on a

Camshaft (Timing) Belt Installation

Overview This procedure replaces the camshaft (timing) belt on your Porsche 944

Camshaft Belt – Maintenance Intervals and Part Numbers

Overview The camshaft belt (also referred to as the timing belt) is a critical c

Balance Shaft Oil Seal Replacement

Overview This guide walks you through replacing the balance shaft oil seals on a

Balance Shaft Sprocket Installation and Alignment Check

Overview This procedure guides you through installing the balance shaft sprocket

Balance Shaft Belt Tension – Checking and Adjusting

Overview This guide explains how to check and adjust the tension of the balance

Balance Shaft Belt Installation

Overview This procedure guides you through installing the balance shaft belt on

Balance Shaft Belt Removal

Overview This procedure guides you through removing the balance shaft belt on a

Balance Shaft Belt – Inspection, Maintenance Intervals, Part Numbers

Overview This guide covers the balance shaft belt for the Porsche 944 S2 with it

Paint Codes

1982 Model Year Paint Codes Standard Colors Codes Mocca Black LM 9 V Gabun Gray

Oil Pressure Gauge and Sender – Troubleshooting and Testing

Overview Issues with oil pressure readings often stem from a faulty oil pressure

Towing Information / Towing Eye

Overview This guide explains how to locate, install, and use the towing eye on a

Sealants

Overview This guide covers the sealants approved by Porsche for use on the Porsc

944 Option Codes

Overview This guide explains the option codes for the Porsche 944 S / S2 with it

Periodic Maintenance Schedule

Overview The Periodic Maintenance Schedule for the Porsche 944 16v S / S2 (1989–

Jacking a 944 / Placing a 944 on Jack Stands

Overview This guide explains how to safely lift your Porsche 944 S / S2 (16v eng

Camera Bar Construction

Overview This guide walks you through building a camera bar for your Porsche 944

Allen Head and Cheesehead Bolt Removal

Overview This procedure explains how to remove Allen head and Cheesehead bolts f

Miscellaneous

Troubleshooting – Heating, Ventilation, and Air Conditioning (HVAC)

Overview This troubleshooting guide assists Porsche 944 S / S2 (16v ,1989–1991)

Troubleshooting – Electrical (including Instruments)

Overview This guide provides troubleshooting steps for common electrical and ins

Troubleshooting – Suspension and Steering

Overview This guide provides troubleshooting steps for diagnosing and resolving

Troubleshooting – Brakes

Overview This troubleshooting guide is designed to help diagnose and resolve bra

Troubleshooting – Automatic Transmission

Overview This guide helps you identify and fix common automatic transmission iss

Troubleshooting – Manual Transmission

Overview This troubleshooting guide is designed to help identify and address man

Troubleshooting – Clutch

Overview This guide helps you identify and fix common clutch issues on your Pors

Troubleshooting – Fuel System

Overview This troubleshooting guide is designed to help diagnose and resolve fue

Troubleshooting – Cooling System

Overview This troubleshooting guide is designed to help diagnose and resolve coo

Troubleshooting – Engine

Overview This troubleshooting guide is designed to help diagnose and resolve eng

Troubleshooting

Rear Wheel Bearing Replacement – Aluminum Trailing Arm

Overview This guide walks you through replacing the rear wheel bearing on the al

Rear Wheel Bearing Replacement – Steel Trailing Arm

Overview This procedure guides you through replacing the rear wheel bearings on

Front Wheel Bearings – Checking, Adjustment, Repacking, and Replacement

Overview This procedure guides you through checking, adjusting, repacking, and r

Torsion Bars – Removing, Replacing, and Indexing

Overview This guide walks you through removing, replacing, and reindexing the to

Rear Sway Bar Removal and Installation

Overview This procedure outlines how to remove and install the rear sway bar on

Front Sway Bar Removal and Installation

Overview This procedure guides you through removing and installing the front swa

Suspension Information and Upgrades

Overview This guide explains how your Porsche 944’s suspension works and offers

Shock Replacement

Overview Replacing worn-out shocks on your Porsche 944 (16v engine variants) can

Power Steering Rack Replacement

Overview This guide walks you through replacing the power steering rack on your

Power Steering Rack Rebuild

Overview This procedure guides you through resealing the power steering rack on

Power Steering Pump Replacement

Overview This procedure guides you through replacing the power steering pump on

CV Joints – General Information and Maintenance

Overview Maintaining the Constant Velocity (CV) joints on your Porsche 944 S2 (1

CV Joint Boot Check

Overview This procedure helps you inspect the CV joint boots on your Porsche 944

Control Arm Replacement

Overview This guide walks you through replacing the control arm on your Porsche

Control Arms – General Information, Rebuilding, and Aftermarket Replacements

General Information for Porsche 944 (16v) Control Arms Control Arm Type Alloy co

Brakes – Inspecting / Replacing Brake Rotors

Overview This guide explains how to inspect and replace the brake rotors on your

Brakes – Parking Brake Adjustment

Overview This procedure adjusts the parking brake on your Porsche 944 (16v engin

Brakes – Master Cylinder Replacement

Overview This procedure walks you through replacing the brake master cylinder on

Brake Fluid Replacement and Bleeding

Overview This procedure replaces the brake fluid in your Porsche 944 (16v engine

Brake Pads – Checking Pad Thickness and Replacing Pads

Overview This guide explains how to check the thickness of brake pads and replac

Checking the Brake System

Overview Checking the brake system on your Porsche 944 is a key part of keeping

Brakes and Suspension

Torque Tube Removal, Rebuilding, and Installation

Overview This guide walks you through removing, rebuilding, and reinstalling the

Transaxle – Checking, Repairing, and Replacing the Shift Lever and Shift Linkage

Overview This guide explains how to check, repair, and replace the shift lever a

Manual Transaxle Fluid Change

Overview This procedure outlines how to change the manual transaxle fluid in you

Transaxle – General Information, Codes, and Gear Ratios

Overview This guide helps you identify and understand the transaxle in your Pors

Clutch Master Cylinder Replacement

Overview This guide walks you through replacing the clutch master cylinder on a

Checking Clutch Disc Wear

Overview This procedure helps you measure the wear on the clutch disc of your Po

Electric Window Troubleshooting

Overview This guide helps you figure out why the electric windows in your Porsch

Sunroof – Plastic Gear Replacement

Overview This guide walks you through replacing the plastic gears in the sunroof

Sunroof Component Testing

Overview This guide helps you test and troubleshoot the sunroof components on yo

Sunroof Operation, Troubleshooting, and Repair

Overview This guide covers the operation, troubleshooting, and repair of the sun

Stone Guard Removal and Installation

Overview This procedure guides you through removing and installing stone guards

Steering Wheel Removal and Installation

Overview This procedure explains how to remove and install the steering wheel on

Stereo – Rear Speaker Replacement

Overview This procedure guides you through replacing the rear speakers in your P

Stereo – Head Unit and Speaker Replacement Guide

Overview This guide is tailored for replacing the stereo head unit and speakers

Rear Hatch Strut Replacement

Overview This procedure replaces the rear hatch struts on your Porsche 944 with

Rear Hatch – Squeaking

Overview This procedure addresses a squeaking or rattling rear hatch on your Por

Painting a 944

Overview This guide details how to paint a Porsche 944 S / S2 with its 16v engin

Nose/Header Panel – Removal and Installation

Overview This guide walks you through removing and installing the nose/header pa

Mirror Removal and Installation – Exterior

Overview This guide explains how to remove and install the exterior side mirror

Hood Strut Replacement

Overview This procedure replaces the hood struts on your Porsche 944 S / S2 (16v

Hood Insulation – Removal

Overview This procedure guides you through removing the old hood insulation from

Hood Crest – Removal and Installation

Overview This procedure guides you through removing and installing the hood cres

Clock and Temperature Controls Removal and Replacement

Overview This guide walks you through removing and replacing the clock, cigarett

944 HVAC Operation and Malfunctions

Overview This guide explains how the heating, ventilation, and air conditioning

Heater Core Removal and Replacement

Overview This guide walks you through removing and replacing the heater core in

Air Conditioning Troubleshooting and Repair

Overview This guide helps you diagnose and fix issues with the air conditioning

Door Handle – Removal, Installation, and Adjustment

Overview This guide walks you through removing, installing, and adjusting the ex

Late Model 944 (1985.5 and Newer) Dash Replacement

Overview Replacing the dashboard in your Porsche 944 S / S2 (16v engine) is a ma

Exterior Paint Codes

Overview This guide provides the exterior paint codes for the Porsche 944 S / S2

Interior Color Codes

Overview This guide lists the interior color codes for all the Porsche 944 S / S

Cargo Cover Repair

Overview This procedure guides you through repairing the cargo cover on all your

Bumper Cover Removal

Overview This procedure outlines how to remove the front bumper cover on all Por

Air Bag Warning Light Reset

Overview This guide explains how to reset the air bag warning light on all Porsc

Air Bag System Testing

Overview This procedure is tailored for testing the airbag system on the Porsche

Body

Troubleshooting – Electrical (including Instruments)

Overview This guide helps you identify and fix common electrical and instrument

Starter Removal and Installation

Overview This procedure explains how to remove and install the starter motor on

Checking Starter Operation

Overview This procedure tests the starter on your Porsche 944 with its 16v engin

Speedometer, Gear Ratio, and Tire Size Manual Calculations

Overview This guide explains how to manually calculate the speed of a Porsche 94

Speedometer, Gear Ratio, and Tire Size Calculator

Overview This guide is designed for Porsche 944 (16v engine) owners to calculate

Oxygen Sensor Testing and Replacement

Porsche P/N BOSCH short P/N Model Year Wires Heated BOSCH long P/N Replace 944 6

Odometer Repair

Overview This procedure guides you through repairing the odometer on your Porsch

Headlight Operating Mechanism Lubrication

Overview This procedure lubricates the headlight operating mechanism on your Por

Headlight Motor Circuit – Operation and Repair

Overview This guide covers the headlight motor circuit for the Porsche 944 with

Headlight Motor Removal, Cleaning, and Installation

Overview This guide details the removal, cleaning, and reinstallation of the hea

DME Control Unit Removal

Overview This procedure outlines the removal of the DME (Digital Motor Electroni

DME Control Unit Chip Installation

Overview This procedure guides you through installing a new chip in the DME (Dig

Cruise Control – General Information and Repair

Overview This guide covers the maintenance and repair of the cruise control syst

Clock and Temperature Controls Removal and Replacement

Overview This guide walks you through removing and replacing the clock, cigarett

Excessive Battery Discharge Rate

Overview This procedure helps you measure the battery discharge rate on your Por

Battery Tray Leaks/Repairs

Overview This guide explains how to fix a leaking battery tray on your Porsche 9

Battery Checks

Overview This procedure helps you inspect and test the battery in your Porsche 9

Alternator Replacement

Overview This guide walks you through replacing the alternator on your Porsche 9

Alarm System – Bypassing

Overview This procedure explains how to bypass the alarm system on a Porsche 944

Electrical

Speed and Reference Sensors – Checking, Replacement, and Adjustment

Overview This guide explains how to check, replace, and adjust the speed and ref

Changing Spark Plugs / Checking the Condition of the Spark Plugs

Overview This procedure guides you through replacing the spark plugs on your Por

Ignition System Troubleshooting

Overview This guide helps you diagnose a no-spark condition in your Porsche 944

Ignition Switch Replacement

Overview This guide walks you through replacing the ignition switch on your Pors

Ignition Switch and Wiring Test

Overview This guide helps you test the ignition switch and its wiring on your Po

Fuel and Ignition

Idle Control Motor (Idle Stabilizer) Replacement

Overview This procedure replaces the idle control motor (also called the idle st

Fuel System Leakdown Failure

Overview This procedure helps you diagnose why your Porsche 944 S / S2 (16v engi

Fuel Pump Suction Strainer – Removing, Cleaning, and Replacing

Overview This procedure guides you through removing, cleaning, and replacing the

Fuel Pump Replacement

Overview This guide walks you through replacing the fuel pump on your Porsche 94

Fuel Pump Delivery Rate – Checking

Overview This procedure checks how much fuel the pump delivers in 30 seconds on

Fuel Pressure Regulator Replacement

Overview This procedure provides general information about the fuel pressure reg

Fuel Rail Adapter – Making an Adapter for Non-Metric Thread Fuel Pressure Gauges

Overview This guide shows you how to make a custom adapter to connect a non-metr

Fuel Pressure – Checking

Overview This procedure checks the fuel pressure in your Porsche 944 S / S2’s 16

Fuel Level Indication Problems / Repairs

Overview This guide helps you troubleshoot and fix fuel level indication issues

Fuel Injector and Fuel Rail Removal and Installation

Overview This procedure outlines how to remove and install the fuel injectors an

Fuel Filter Replacement

Overview This procedure outlines the steps to replace the fuel filter on a Porsc

DME Relay Technical Testing

Overview This guide explains how to test and troubleshoot the DME relay on a Por

Distributor Cap and Rotor Replacement

Overview This procedure outlines how to remove and replace the distributor cap a

Air Filter Housing and Air Flow Sensor – Installation

Overview This procedure guides you through installing the air filter housing and

Air Flow Meter (AFM) Operation and Testing

Overview This guide explains how the Air Flow Meter (AFM), also called the Air F

Wastegate Removal and Installation

Overview This guide explains how to remove and install the wastegate on a Porsch

Turbocharger Replacement

Overview This guide walks you through replacing a turbocharger, such as the K27,

Wastegate – Fabricating and Installing Shims

Overview This procedure explains how to fabricate and install shims for the wast

Locating and Setting Engine to Top Dead Center (TDC), Cylinder 1

Overview This procedure guides you through setting the engine of your Porsche 94

Oil Pressure Sending Unit Replacement

Overview This procedure walks you through replacing the oil pressure sending uni

Oil Pan Gasket Replacement

Overview This procedure replaces the oil pan gasket on your Porsche 944 S / S2 w

Oil Cooler Seal Replacement

Overview This procedure replaces the oil cooler seals on a Porsche 944 S / S2 wi

Engine Oil and Filter Change

Overview This procedure outlines how to change the engine oil and filter on a Po

Flywheel Lock Installation

Overview This procedure installs a flywheel lock on your Porsche 944 S2’s 3.0L e

Exhaust System Removal and Installation

Overview This guide walks you through removing and installing the exhaust system

Engine Installation

Overview This guide walks you through installing the 16v engine in your Porsche

Engine Removal

Overview This guide walks you through removing the 16v engine from your Porsche

Motor Mounts – Replacing

Overview This guide walks you through replacing the motor mounts on your Porsche

Cylinder Head and Head Gasket Removal – 2.5L NA

Overview This procedure guides you through removing the cylinder head and head g

Cylinder Head and Head Gasket Installation – 2.5L NA

Overview This procedure guides you through installing a new cylinder head and he

Crank Scraper Installation

Overview Installing a crank scraper on your Porsche 944 S2 (3.0L engine) is a gr

Camshaft Assembly Oil Seal Replacement

Overview This procedure outlines the steps to replace the camshaft assembly oil

Crankshaft – Front Oil Seal Replacement

Overview This procedure replaces the front crankshaft oil seal on your Porsche 9

Crankshaft – Rear Oil Seal Replacement

Overview This procedure replaces the rear oil seal (commonly called the rear mai

Coolant System Draining, Filling, and Venting

Overview This procedure explains how to drain, fill, and vent the coolant system

Radiator Removal

Overview This procedure outlines the steps to remove the radiator from your Pors

Thermofan Switch Replacement

Overview This procedure guides you through replacing the thermofan switch on you

Thermostat Replacement

Overview This procedure covers the replacement of the thermostat on a Porsche 94

Water Pump Replacement

Overview This procedure guides you through replacing the water pump on your Pors

Engine

8-Valve (8v) Engine Variants

The original Porsche 944 was powered by a naturally aspirated 2.5-litre inline-f

Camshaft Assembly Installation

Overview This guide outlines the procedure for installing the camshaft assembly

Clutch Slave Cylinder Replacement and Bleeding

Overview This guide walks you through replacing the clutch slave cylinder and bl

Transmission (Gearbox) and Clutch

Transaxle Removal

Overview This guide covers removing the transaxle from a Porsche 944 S / S2 with

Oil Pump Removal and Installation

Overview This guide walks you through removing and installing the oil pump on yo

Engine

Clutch Replacement

Overview This guide walks you through replacing the clutch on a Porsche 944 S /

16-Valve (16v) Engine Variants

Porsche introduced the 16-valve head in the mid- to late-1980s to improve breath

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