Repair Guides
Provided by Only944.com, Clarks-garage.com, Pelicanparts.com, The944.com, 944Time.com, 944Online.com, Ideola’s Garage
AC
AC Blower Fan Fix (Only944.com)
AC Basics (Griffiths.com)
AC Trouble Shooting (Griffiths.com)
Air conditioning systems operation and troubleshooting (clarks-garage.com)
Air conditioning troubleshooting (HVAC) (clarks-garage.com)
Air conditioning (944time.com)
Freon R12 Capacities (the944.com)
Retofitting R12 to R134a (the944.com)
Air Bag
Air bag system testing (clarks-garage.com)
Air bag warning light reset (clarks-garage.com)
Air Filter
Filter housing removal and installation (clarks-garage.com)
Air/Fuel Ratio Meter
Air/fuel ratio meter (the944.com)
Air Flow Meter
Air flow meter (the944.com)
Transfer Function (the944.com)
Air Flow Sensor
Removal and installation (clarks-garage.com)
Air flow sensor operation and testing (clarks-garage.com)
Alarm System
Alarm system bypassing (clarks-garage.com)
Alternator
Replacement (clarks-garage.com)
Altitude Correction Box
Altitude correction box (the944.com)
Belt Special Tool #9201
Belt special tool #9201 (the944.com)
Belt special tool specs (the944.com)
Balance Shafts
Balance shaft oil seal replacement (clarks-garage.com)
Belt general information (clarks-garage.com)
Belt installation (clarks-garage.com)
Belt removal (clarks-garage.com)
Belt tensioning (clarks-garage.com)
History (clarks-garage.com)
Sprocket installation and alignment check (clarks-garage.com)
How to line up the balance shafts (944Online.com)
Battery
Battery checks (clarks-garage.com)
Battery tray leaks (clarks-garage.com)
Excessive battery discharge rate (clarks-garage.com)
Battery replacement (944time.com)
Blower fan fix
Fan speed resistor repair (944time.com)
Bolts
Allen head and cheesehead bolt removal (clarks-garage.com)
Brakes
Check the brake system (clarks-garage.com)
Checking brake pad thickness and brake pad replacement (clarks-garage.com)
Fluid replacement and bleeding (clarks-garage.com)
Master cylinder replacement (clarks-garage.com)
Parking brake adjustment (clarks-garage.com)
Rotor inspecting and replacing (clarks-garage.com)
Bleeding Porsche brakes (pelicanparts.com)
Brake rotor replacement (944time.com)
Master cylinder replacement (944time.com)
Bumper
Bumper cover removal (clarks-garage.com)
Font spoiler removal (944time.com)
Camera Bar
Constructing a camera bar (clarks-garage.com)
Camshaft
Camshaft assembly installation (clarks-garage.com)
Camshaft oil seal replacement (clarks-garage.com)
Camshaft assembly removal (clarks-garage.com)
Camshaft (timing) belt general information (clarks-garage.com)
Camshaft (timing) belt installation (clarks-garage.com)
Camshaft (timing) belt removal (clarks-garage.com)
Camshaft (timing) belt and balance shaft belt tensioning (clarks-garage.com)
Camshaft chain tensioner replacement (16V) (clarks-garage.com)
S2 cam chain tensioner failure and replacement (944Online.com)
Cam tower replacement (944time.com)
Cam collar “issue” (944Online.com)
Cargo Cover
Cargo cover repair (clarks-garage.com)
Chips (computer) installation
DME control unit – Chip installation (including KLR chip for Turbos) (clarks-garage.com)
Cleaning
Detailing your Porsche (pelicanparts.com)
Concours corner: Cleaning your engine part 1 (pelicanparts.com)
Concours corner: Cleaning your engine part 2 (pelicanparts.com)
Concours corner: All about bras (pelicanparts.com)
Concours corner: Washing your car (pelicanparts.com)
Concours corner: Rubber strip conditioning (pelicanparts.com)
Concours corner: Polishing alloy wheels (pelicanparts.com)
Clock
Removal and replacement (clarks-garage.com)
Clutch
Replacement (clarks-garage.com)
Clutch disc wear check (clarks-garage.com)
Clutch master cylinder replacement (clarks-garage.com)
Slave cylinder replacement and bleeding (clarks-garage.com)
Clutch master and slave cylinder replacement (pelicanparts.com)
Clutch master and slave cylinder replacement (version 2) (pelicanparts.com)
Color Codes
944 interior color codes (clarks-garage.com)
944 Paint codes (clarks-garage.com)
Compression Ratio Calculator
Ideola’s Compression Ratio Calculator (Ideola’s Garage)
Control Arms
Control arms general information, rebuild, and aftermarket replacements (clarks-garage.com)
Removal and installation (clarks-garage.com)
Control arm replacement/ (944time.com)
Cooling Systems
Flow diagram and description – Normally aspirated 944 (clarks-garage.com)
Flow diagram and description – Turbocharged 944 (clarks-garage.com)
Cooling system draining, filling, and venting (clarks-garage.com)
Fan operation and troubleshooting (clarks-garage.com)
Troubleshooting cooling system problems (clarks-garage.com)
Crankshaft
Front oil seal replacement (clarks-garage.com)
Crank scraper installation (clarks-garage.com)
Cruise Control
General information and repair (clarks-garage.com)
CV Joints
CV joint boot inspection (clarks-garage.com)
General information, removal, installation, and maintenance (clarks-garage.com)
Cylinder Head
Cylinder head and head gasket installation (clarks-garage.com)
Cylinder head and head gasket removal (clarks-garage.com)
Cylinder head tightening sequence and torque specifications (clarks-garage.com)
Dash
Early 944 dash replacement (pre 1985.5) (clarks-garage.com)
Late 944 dash replacement (1985.5 and newer) (clarks-garage.com)
Dash bulbs (944time.com)
Defroster
Troubleshooting rear hatch defroster (clarks-garage.com)
Distributor
Distributor cap and rotor replacement (clarks-garage.com)
DME Control Unit
Chip installation (including KLR chip for turbos) (clarks-garage.com)
Control unit removal and installation (clarks-garage.com)
DME wiring diagram – 944 turbos (clarks-garage.com)
DME wiring diagram – 944 normally aspirated (clarks-garage.com)
DME (944time.com)
DME Relay
Technical information and testing (clarks-garage.com)
DME Relay (944time.com)
Door Handles
Removal, installation, and adjustment (clarks-garage.com)
Door handle tune up (pelicanparts.com)
Door Panels
Removal and installation (clarks-garage.com)
Engine
Engine oil and filter replacement (clarks-garage.com)
Installation (clarks-garage.com)
Removal (clarks-garage.com)
Starting and running troubleshooter (clarks-garage.com)
Exhaust
Exhaust system removal and installation (clarks-garage.com)
Fly Wheel
Fly wheel lock installation (clarks-garage.com)
Fuel and Vacuum Line Routing
Fuel and vacuum line diagram (1985.5 and newer n/a 944) (clarks-garage.com)
Fuel and vacuum line diagram (16V normally aspirated 944) (clarks-garage.com)
Fuel and vacuum line diagram (944 Turbo) (clarks-garage.com)
Fuel Filter
Replacement (clarks-garage.com)
Fuel Injector
Fuel injector information (clarks-garage.com)
Fuel injector and fuel rail removal and installation (clarks-garage.com)
Fuel injector resealing (pelicanparts.com)
Fuel Level
Level indication problems / repairs (clarks-garage.com)
Fuel Pressure
Checking (clarks-garage.com)
Fuel rail adapter – Making an adapter for non-metric thread fuel pressure gauges (clarks-garage.com)
Fuel Pressure Regulator
General information and replacement (clarks-garage.com)
Fuel Pump
Delivery rate – Checking (clarks-garage.com)
Fuel pump replacement (clarks-garage.com)
Fuel pump suction strainer – Removing, cleaning, and replacing (clarks-garage.com)
Fuel System
Fuel system leakdown testing (clarks-garage.com)
Fuses
Early 944 fuse list (pre-1985.5) (clarks-garage.com)
Late 944 fuse list (1985.5 and newer) (clarks-garage.com)
Gauges
Early 944 gauge removal (clarks-garage.com)
Late 944 (1985.5 and newer) gauge removal (clarks-garage.com)
Information and troubleshooting (clarks-garage.com)
Solving strange gauge problems (pelicanparts.com)
Hatch
Repairing a squeaking or rattling rear hatch (clarks-garage.com)
Rear hatch strut replacement (clarks-garage.com)
Hatch glass repair (pelicanparts.com)
Head Gasket
Cylinder head and head gasket installation (clarks-garage.com)
Cylinder head and head gasket removal (clarks-garage.com)
Cylinder head tightening sequence and torque specifications (clarks-garage.com)
Head Lights
Headlight motor circuit operation and repair (clarks-garage.com)
Headlight motor removal, cleaning, and installation (clarks-garage.com)
Headlight operating mechanism linkage lubrication (clarks-garage.com)
Heater
Heater core removal and replacement (clarks-garage.com)
Heater malfunctions (clarks-garage.com)
Heater control valve replacement (944time.com)
Hood Crest
Removal and installation (clarks-garage.com)
Hood Insulation
Removal (clarks-garage.com)
Hood Struts
Information and replacement (clarks-garage.com)
Ideola’s Compression Ratio Calculator
Ideola’s Compression Ratio Calculator (Ideola’s Garage)
Idle Speed
Idle speed adjustment (clarks-garage.com)
Idle control motor (idle stabilizer) replacement (clarks-garage.com)
Ignition
Ignition switch and wiring test (clarks-garage.com)
Ignition switch replacement (clarks-garage.com)
Ignition system troubleshooting (clarks-garage.com)
Instrument Panel
Instrument panel lights (clarks-garage.com)
Early 944 gauge removal (clarks-garage.com)
Late 944 (1985.5 and newer) gauge removal (clarks-garage.com)
Information and troubleshooting (clarks-garage.com)
Intake Manifold
Removal and installation (clarks-garage.com)
Jacking
Jacking a 944 / Placing a 944 on jack stands (clarks-garage.com)
Maintenance
Periodic maintenance schedule (clarks-garage.com)
Mirror
Removal and installation (clarks-garage.com)
Motor Mounts
Checking (clarks-garage.com)
Replacing (clarks-garage.com)
Nose Panel
Removal and installation (clarks-garage.com)
Odometer
Repairing odometer (clarks-garage.com)
Oil
Engine oil and filter change (clarks-garage.com)
Oil flow diagram – 924S, 944, 944 Turbo (clarks-garage.com)
Oil Cooler
General information and seal replacement (clarks-garage.com)
Oil cooler pressure testing – Normally aspirated cars (clarks-garage.com)
New style oil cooler o-rings (clarks-garage.com)
Oil Pan
Gasket replacement (clarks-garage.com)
Oil Pressure
General information and troubleshooting (clarks-garage.com)
Oil pressure relief valve general information (clarks-garage.com)
Oil pressure sending unit replacement (clarks-garage.com)
Oil Pump
Removal and installation (clarks-garage.com)
O2 Sensor
Oxygen sensor general information, testing, and replacement (clarks-garage.com)
Option Codes
Option codes (clarks-garage.com)
Paint
Paint codes (clarks-garage.com)
Painting a 944 (clarks-garage.com)
Parts
924 – 1976 to 1979 (clarks-garage.com)
924 – 1980 to 1985 (clarks-garage.com)
924S – 1986 to 1988 (clarks-garage.com)
944 – 1982 to 1985 (clarks-garage.com)
944 – 1985 to 1988 (clarks-garage.com)
944 – 1989 to 1991 (clarks-garage.com)
968 (clarks-garage.com)
Performance
Performance products and services vendors (clarks-garage.com)
Power Steering Pump
Rebuild (pelicanparts.com)
Replacement (clarks-garage.com)
Power Steering Rack
Rebuilding (clarks-garage.com)
Replacement (clarks-garage.com)
Power steering rack replacement (944time.com)
Radiator
Removal and installation (clarks-garage.com)
Radiator replacement (944time.com)
Expansion tank replacement (944time.com)
Rear Hatch
Repairing a squeaking or rattling rear hatch (clarks-garage.com)
Rear hatch strut replacement (clarks-garage.com)
Sealants
Sealants (clarks-garage.com)
Sensors and Gauges
Information, troubleshooting, and testing (clarks-garage.com)
Shocks (rear)
Replacement (clarks-garage.com)
Rear shock replacement (944time.com)
Spark Plugs
Changing spark plugs / Checking the condition of spark plugs (clarks-garage.com)
Speed and Reference Sensors
Checking, replacement (clarks-garage.com)
Speedometer
Speedometer, gear ratio, and tire size calculator (clarks-garage.com)
Speedometer, gear ratio, and tire size manual calculations (clarks-garage.com)
Starter
Checking starter operation (clarks-garage.com)
Removal and installation (clarks-garage.com)
Starter motor replacement (944time.com)
Stereo
Head unit and speaker replacement guide (clarks-garage.com)
Rear speaker replacement (clarks-garage.com)
Steering Wheel
Steering wheel removal and installation (clarks-garage.com)
Stone Guards
Removal and installation (clarks-garage.com)
Struts (front)
Removal and installation (clarks-garage.com)
Sunroof
Operation, troubleshooting, and repair (clarks-garage.com)
Sunroof component testing (clarks-garage.com)
Plastic gear replacement (clarks-garage.com)
Sunroof operation (pelicanparts.com)
Sway Bars
Front swar bar removal and installation (clarks-garage.com)
Rear sway bar removal and installation (clarks-garage.com)
Temperature Control Unit
Removal and replacement (clarks-garage.com)
Thermofan Switch
Replacement (clarks-garage.com)
Thermostat
General information, testing, and replacement (clarks-garage.com)
Thermostat replacement (pelicanparts.com)
Throttle Position Switch
Information, troubleshooting, replacement, and adjustment (clarks-garage.com)
Timing Belt
Camshaft (timing) belt general information (clarks-garage.com)
Camshaft (timing) belt installation (clarks-garage.com)
Camshaft (timing) belt removal (clarks-garage.com)
Camshaft (timing) belt and balance shaft belt tensioning (clarks-garage.com)
Camshaft chain tensioner replacement (16V) (clarks-garage.com)
Timing belt video (944Online.com)
Top Dead Center (TDC)
Locating and setting engine to TDC (clarks-garage.com)
Torque Tube
Removal, rebuilding, and installation (clarks-garage.com)
Torsion Bar
Removing, replacing, and reindexing (clarks-garage.com)
Transaxle
Changing manual transaxle fluid (clarks-garage.com)
Checking, repairing, and replacing the shift lever and shift linkage (clarks-garage.com)
Information (clarks-garage.com)
Transaxle removal and installation (clarks-garage.com)
Transmission (944time.com)
Troubleshooting
Engine (clarks-garage.com)
Cooling system (clarks-garage.com)
Fuel system (clarks-garage.com)
Clutch (clarks-garage.com)
Manual transmission (clarks-garage.com)
Automatic transmission (clarks-garage.com)
Brakes (clarks-garage.com)
Suspension and steering (clarks-garage.com)
Electrical (clarks-garage.com)
Heating, ventilation, and air conditioning (clarks-garage.com)
Turbocharger
Replacement (including tips on K27 turbocharger installation) (clarks-garage.com)
K26 turbocharger identification (clarks-garage.com)
Turn Signals
Common problems and repairs (clarks-garage.com)
Vacuum Line Routing
Fuel and vacuum line diagram (1985.5 and newer n/a 944) (clarks-garage.com)
Fuel and vacuum line diagram (16V normally aspirated 944) (clarks-garage.com)
Fuel and vacuum line diagram (944 Turbo) (clarks-garage.com)
Wastegate
Checking (clarks-garage.com)
Fabricating (clarks-garage.com)
Removal and installation (clarks-garage.com)
Water Pump
Information and replacement (clarks-garage.com)
Wheels
Alloy wheel painting (pelicanparts.com)
Cookie cutter paint removal (pelicanparts.com)
Fuchs polishing 101 (pelicanparts.com)
Refinishing fuchs wheels (pelicanparts.com)
Size/Spacers/Offset (porscheclubgb.com)
Wheel Bearings
Front wheel bearings – Checking, adjustment, repacking, and replacement (clarks-garage.com)
Rear wheel bearing replacement – Steel trailing arms (clarks-garage.com)
Rear wheel bearing replacement – Aluminum trailing arms (clarks-garage.com)
Windows (electrical)
Troubleshooting and switch repair (clarks-garage.com)