944 L4-2479cc 2.5L (1984): Maintenance
Also for this vehicle: 944 L4-2681cc 2.7L (1989), 944 S L4-2479cc 2.5L DOHC (1987), 944 S2 Cabriolet L4-2990cc 3.0L DOHC (1991), 944 S2 Coupe L4-2990cc 3.0L DOHC (1990), 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.
Alignment › System Information3 pages
Tune-up and Engine Performance Checks18 pages
- Fuel Pressure › System Information › Specifications
- Air/Fuel Mixture › System Information › Technical Service Bulletins › CO Sample Pipe - Material and Mounting Change2
- Idle Speed › System Information › Specifications23
- Air Cleaner Housing › Component Information › Locations
- Fuel Filter › Fuel Pressure Release › System Information › Service Precautions
- Firing Order › Component Information › Specifications
- Distributor, Ignition › Distributor Cap › Component Information › Service and Repair
- Spark Plug › Component Information › Technical Service Bulletins › Spark Plugs - Revised Plugs and Tightening Torque234
- Valve Clearance › System Information › System Diagnosis2
Timing Belt › Component Information51 pages
Technical Service Bulletins30 pages
All Technical Service Bulletins for Timing Belt:15 pages
- 19204 › Mar › 92 › Toothed Engine Belts - Storage, Packing and Handling
- 19016 › Jun › 90 › Camshaft Drive Belts - Recommended Usage
- 18901 › Jan › 89 › Camshaft Drive - Replaced Parts Upon Belt Failure
- 18701 › Jan › 87 › Cam Belt Tensioner Nut - Torque Specification
- 18525 › Sep › 85 › Camshaft Drive Belt (Turbo) - Revised Part & Adjustment2
- 18502 › Apr › 85 › Engine - Modified Components23
- 18504 › Feb › 85 › Rear Drive Belt - Oscillation or Damage2
- 158404 › Aug › 84 › Camshaft Spur Belt - Proper Tension Adjustment
- 158403 › Aug › 84 › Spur Belt - Rubbing on Belt Cover
- TOOLS021584 › Feb › 84 › Tools - Calibration Gauge for Special Tool 92012
All Other Service Bulletins for Timing Belt:11 pages
- 19204 › Mar › 92 › Toothed Engine Belts - Storage, Packing and Handling
- 19016 › Jun › 90 › Camshaft Drive Belts - Recommended Usage
- 18701 › Jan › 87 › Cam Belt Tensioner Nut - Torque Specification
- 18525 › Sep › 85 › Camshaft Drive Belt (Turbo) - Revised Part & Adjustment2
- 18502 › Apr › 85 › Engine - Modified Components23
- 158404 › Aug › 84 › Camshaft Spur Belt - Proper Tension Adjustment
- TOOLS021584 › Feb › 84 › Tools - Calibration Gauge for Special Tool 92012
- Testing and Inspection › Initial Inspection and Diagnostic Overview234
- Service and Repair › Initial Checks23456
- Fundamentals and Basics › General Information234567891011
Balance Shaft Belt › Component Information › Technical Service Bulletins12 pages
- Customer Interest: › 18504 › Feb › 85 › Rear Drive Belt - Oscillation or Damage2
All Technical Service Bulletins for Balance Shaft Belt:6 pages
All Other Service Bulletins for Balance Shaft Belt:4 pages
Drive Belt › Component Information4 pages
- Hoses › System Information › Service Precautions
Fluids107 pages
- Brake Fluid › Component Information › Technical Service Bulletins › Brake Fluid - DOT 4 Now Used In Production
- Clutch Fluid › Component Information › Service and Repair
Coolant › Component Information › Technical Service Bulletins8 pages
All Technical Service Bulletins for Coolant:4 pages
- Customer Interest: › 18720 › Sep › 87 › Radiator - Plugged Up
All Other Service Bulletins for Coolant:3 pages
Fluid - A/T › Component Information4 pages
- Fluid - M/T › Component Information › Specifications › Capacity Specifications2
- Fluid - Differential › Component Information › Specifications › Capacity Specifications2
Engine Oil › Component Information76 pages
Technical Service Bulletins74 pages
All Technical Service Bulletins for Engine Oil:37 pages
- 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
- 18905 › May › 89 › Engine - Motor Oils That Minimize Carbon Build-Up
- Customer Interest: › 19105 › May › 91 › Engine - Oil In the Cooling System2
All Other Service Bulletins for Engine Oil:35 pages
- 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
- 18905 › May › 89 › Engine - Motor Oils That Minimize Carbon Build-Up
- Specifications › Capacity Specifications2
Refrigerant › Component Information8 pages
Refrigerant Oil › Component Information5 pages
- Brake Bleeding › System Information › Service and Repair
Fuses and Circuit Breakers13 pages
Wheels and Tires115 pages
- Tire Monitoring System › System Information › Technical Service Bulletins › Tires/Wheels - Handling Instructions After Damaged2
Tires › Component Information › Technical Service Bulletins › Technical Service Bulletins for Tires:54 pages
- 45/08 › May › 08 › Tires - Summer Tire Summary23
- 3/02 › Nov › 02 › Tires - Winter Tire Summary Supplement
- 49314 › Dec › 93 › Tires - Manufacturer Contact Information2
- 49305 › Mar › 93 › Wheels - Unapproved Installation of 18 Inch Wheels
- 49104 › Nov › 91 › Tires/Wheels - Summer Recommendations23456789
- 49004 › Apr › 90 › Tire/Wheel Rim - Latest Winter Recommendations2345678910
- 48910 › Nov › 89 › Tires (VR-Rated Summer) - Do Not Mix With ZR Rated2
- 48813 › Dec › 88 › Wheel/Tire - General Information2345
- 48812 › Dec › 88 › Tires/Wheels - Winter Tire/Wheel Rim Summary234567
- 48505 › Mar › 85 › Summer Tires - Wheel Rim Summary234567
- 448405 › Aug › 84 › Tires/Wheels - Summer Tire and Wheel Rim Summary234567
Wheels › Component Information › Technical Service Bulletins › Technical Service Bulletins for Wheels:51 pages
- 4/0901 › Apr › 09 › Tires/Wheels - Handling Instructions After Damaged2
- 49305 › Apr › 93 › Wheels - Retrofitting Unapproved 18 Inch Wheels
- 49305 › Mar › 93 › Wheels - Unapproved Installation of 18 Inch Wheels
- 09301 › Feb › 93 › Tools - Special Wheel Balancing Adapter
- 49104 › Nov › 91 › Tires/Wheels - Summer Recommendations23456789
- 49011 › Dec › 90 › Wheels - Non Approval of Chrome Plating Aluminum Wheels
- 49004 › Apr › 90 › Tire/Wheel Rim - Latest Winter Recommendations2345678910
- 48813 › Dec › 88 › Wheel/Tire - General Information2345
- 48812 › Dec › 88 › Tires/Wheels - Winter Tire/Wheel Rim Summary234567
- 48505 › Mar › 85 › Summer Tires - Wheel Rim Summary234567
- 448405 › Aug › 84 › Tires/Wheels - Summer Tire and Wheel Rim Summary234567
Wheel Bearing › Component Information5 pages
- Wheel Hub › Axle Nut › Component Information › Specifications
- Wheel Fastener › Component Information › Specifications › Wheel Fastener Torque2
- Towing Information › System Information › Technical Service Bulletins › Towing - Long Distance & Emergency23