944 S2 Coupe L4-2990cc 3.0L DOHC (1990): Engine, Cooling and Exhaust
Also for this vehicle: 944 L4-2479cc 2.5L (1984), 944 L4-2681cc 2.7L (1989), 944 S L4-2479cc 2.5L DOHC (1987), 944 S2 Cabriolet L4-2990cc 3.0L DOHC (1991), 944 Turbo L4-2479cc 2.5L SOHC Turbo (1988).
Diagnostics
Maintenance
Engine
Transmission
Brakes
Electrical
Steering & suspension
Heating & A/C
Body & interior
Choose Sections to see everything in a chapter, or a chapter title to start at its first page.
Engine250 pages
Camshaft, Lifters and Push Rods24 pages
- Camshaft Bearing › Component Information › Specifications
Camshaft Gear/Sprocket › Component Information2 pages
- Lifter / Lash Adjuster, Valve › Component Information › Specifications23
Cylinder Block Assembly28 pages
- Balance Shaft › Component Information › Specifications › Shaft & Bore Dimensions2
Balance Shaft Belt › Component Information10 pages
Connecting Rod, Engine › Component Information3 pages
- Coolant Drain Plug, Cylinder Block › Component Information › Specifications
- Crankshaft, Engine › Component Information › Specifications › Crankshaft Main Bearing Torque23
- Harmonic Balancer - Crankshaft Pulley › Component Information › Specifications
Piston, Engine › Component Information6 pages
- Piston Ring, Engine › Component Information › Technical Service Bulletins › Pistons & Rings - Modified2
Cylinder Head Assembly10 pages
- Valve Clearance › System Information › System Diagnosis2
- Fuel Pressure Release › System Information › Service Precautions2
- Valve Cover › Component Information › Specifications
- Valve Guide › Component Information › Specifications2
- Valve Seat › Component Information › Specifications
- Valve Spring › Component Information › Specifications
- Valve, Intake/Exhaust › Component Information › Technical Service Bulletins › Sodium Filled Valves - Scrapping Instructions
Drive Belts, Mounts, Brackets and Accessories7 pages
Engine Lubrication78 pages
Engine Oil › Component Information45 pages
Technical Service Bulletins43 pages
All Technical Service Bulletins:38 pages
- 136/08 › Sep › 09 › Engine - Approved Engine Oil Specification2
- 137-08 › Mar › 09 › Engine - Approved Porsche A40 Engine Oils2345678910
- 102/07 › Apr › 07 › Engine - Approved Engine Oils Overview23456789
- 11/05 › Jul › 05 › Engine - Porsche Approved Oils2345
- 0301 › May › 03 › Engine - Approved Engine Oils2345678
- 19207 › Apr › 92 › Engine Lubrication - Oils That Minimize Carbon Build-Up2
- 19105 › May › 91 › Engine - Oil In the Cooling System2
- Customer Interest: › 19105 › May › 91 › Engine - Oil In the Cooling System2
- All Other Service Bulletins for Engine Oil: › 19002 › Feb › 90 › Intake Manifold Temperature Switch - Not Functional23
- All Other Service Bulletins for Engine Oil: › 19002 › Feb › 90 › Intake Manifold Temperature Switch - Not Functional
- Specifications › Capacity Specifications2
Oil Cooler, Engine › Component Information › Technical Service Bulletins6 pages
All Technical Service Bulletins for Oil Cooler:3 pages
- Customer Interest: › 19012 › May › 90 › Engine - Droning Noise From External Oil Cooler Area
- All Other Service Bulletins for Oil Cooler: › 18907 › Sep › 89 › Tools - Oil Cooler Testing2
- Oil Filter, Engine › Component Information › Service and Repair2
- Oil Level Sensor › Component Information › Locations
Oil Line, Engine › Component Information › Technical Service Bulletins4 pages
Oil Pan, Engine › Component Information6 pages
- Oil Pressure Sender › Component Information › Locations
- Oil Pressure Warning Lamp/Indicator › Component Information › Diagrams › Diagram Information and Instructions234567
Oil Pump, Engine › Oil Pressure Regulator Valve › Component Information › Technical Service Bulletins6 pages
All Technical Service Bulletins for Oil Pressure Regulator Valve:3 pages
Customer Interest for Oil Pressure Regulator Valve:3 pages
Intake Manifold › Component Information › Technical Service Bulletins3 pages
- All Technical Service Bulletins: › 29404 › Apr › 94 › Engine Performance - Surging Idle or Hesitations
- Customer Interest: › 29404 › Apr › 94 › Engine Performance - Surging Idle or Hesitations
- All Other Service Bulletins for Intake Manifold: › 38906 › Oct › 89 › Hydraulic Clutch - Pedal Stays Down/Air In the System
- All Other Service Bulletins for Intake Manifold: › 38906 › Oct › 89 › Hydraulic Clutch - Pedal Stays Down/Air In the System
- Lamps and Indicators - Engine › Oil Pressure Warning Lamp/Indicator › Component Information › Diagrams › Diagram Information and Instructions234567
Sensors and Switches - Engine2 pages
Timing Components43 pages
- Balance Shaft › Component Information › Specifications › Shaft & Bore Dimensions2
Balance Shaft Belt › Component Information10 pages
Camshaft Gear/Sprocket › Component Information2 pages
Timing Belt › Component Information25 pages
Technical Service Bulletins6 pages
All Technical Service Bulletins for Timing Belt:3 pages
- Customer Interest: › 19208 › Aug › 92 › Camshaft Drive Belt - Noise at 1800 RPM
All Other Service Bulletins for Timing Belt:2 pages
- Testing and Inspection › Initial Inspection and Diagnostic Overview23
- Service and Repair › Initial Checks2345
- Fundamentals and Basics › General Information234567891011
- Timing Belt Tensioner › Component Information › Specifications
- Timing Chain Tensioner › Component Information › Specifications2
- Timing Cover › Component Information › Specifications
Tune-up and Engine Performance Checks24 pages
- Fuel Pressure › System Information › Specifications › Mechanical Specifications2
Air/Fuel Mixture › System Information4 pages
- Idle Speed › System Information › Specifications2
- Air Cleaner Housing › Air Filter Element › Component Information › Service and Repair › Maintenace Interval
- Fuel Filter › Fuel Pressure Release › System Information › Service Precautions2
- Firing Order › Component Information › Specifications
- Ignition Cable › Component Information › Description and Operation
- Spark Plug › Component Information › Technical Service Bulletins › Spark Plugs - Install With Threads Clean and Dry2
- Valve Clearance › System Information › System Diagnosis2
Water Pump › Component Information14 pages
Technical Service Bulletins3 pages
- All Technical Service Bulletins: › 19110 › Jul › 91 › Coolant Pump - Leaks
- Customer Interest: › 19110 › Jul › 91 › Coolant Pump - Leaks
- All Other Service Bulletins for Water Pump: › 69002 › Feb › 90 › Cabrio Top - Water Leaks
- All Other Service Bulletins for Water Pump: › 69002 › Feb › 90 › Cabrio Top - Water Leaks
- Testing and Inspection › Verifying Water Pump Problem2345
- Fundamentals and Basics › Initial Preparations23456
Cooling System83 pages
- Air Bleeder Screw, Coolant › Component Information › Specifications
- Coolant › Component Information › Technical Service Bulletins › Cooling System - Approved Phosphate Free Anti-Freeze2
- Coolant Drain Plug, Cylinder Block › Component Information › Specifications
Radiator Cooling Fan17 pages
Engine - Coolant Temperature Sensor/Switch11 pages
- Coolant Temperature Sensor / Switch HVAC › Component Information › Diagrams › Diagram Information and Instructions234567
- Coolant Temperature Sensor/Switch (For Computer) › Component Information › Specifications › Electrical Specifications2
- Radiator Cooling Fan Temperature Sensor / Switch › Component Information › Locations › Cooling Water Temperature Switch2
- Heater Core › Component Information › Service and Repair
- Lamps and Indicators - Cooling System › Temperature Gauge › Component Information › Diagrams › Diagram Information and Instructions234567
- Radiator › Component Information › Technical Service Bulletins › Tools - Oil Cooler Testing2
- Radiator Cap › Component Information › Specifications
Sensors and Switches - Cooling System › Engine - Coolant Temperature Sensor/Switch11 pages
- Coolant Temperature Sensor / Switch HVAC › Component Information › Diagrams › Diagram Information and Instructions234567
- Coolant Temperature Sensor/Switch (For Computer) › Component Information › Specifications › Electrical Specifications2
- Radiator Cooling Fan Temperature Sensor / Switch › Component Information › Locations › Cooling Water Temperature Switch2
- Temperature Gauge › Component Information › Diagrams › Diagram Information and Instructions234567
- Thermostat, Engine Cooling › Component Information › Service and Repair
Water Pump › Component Information13 pages
Exhaust System4 pages
- Catalytic Converter › Exhaust Temperature Sensor › Component Information › Locations
- Exhaust Sample Port › Component Information › Technical Service Bulletins › CO Sample Pipe - Material and Mounting Change2
- Sensors and Switches - Exhaust System › Exhaust Temperature Sensor › Component Information › Locations