Maintenance: Technical Service Bulletins
- Customer Interest
- By Symptom
- All Technical Service Bulletins
- Engine - Approved Engine Oils Overview
- Steering Gear - New Type Oil
- Maintenance - For Low Mileage Vehicles
- Engine - Smokes When Started Cold
- Vehicle - Maintenance Schedules
- A/C Refrigerant - Identifier
- Alternator - Belt Failure or Belt Noises
- Vacuum Lines - Preventing Disconnections or Kinks
- Wheels - Retrofit of 18 Inch Wheels Approved
- Tires & Wheels - Winter Summary
- Tires/Wheels - Winter Tires and Chain Applications
- Tires/Wheels - Winter Tires, and Snow Chain Applications
- Front Wheel Hubs/Tension Ring - Revised
- Ignition Distributor - Revision and Marking
- Large Instrument - Replacement Information
- Heater Pipe (In Engine Compartment) - Revised
- A/C lines - Corrosion at Rubber Mounts
- Engine - Approved Engine Oils
- Engine - Porsche Approved Oils
- V-Belt - Correct Tensioning Procedures and Tool
- Tires/Wheels - Latest Summer Recommendations
- Rear Axle - Installing Distance Spacers
- Alignment - Rear Axle Specifications
- Wheels and Tires - Winter Tires/Wheels/Snow Chains
- A/C - Use of Correct Refrigerant
- M/T - Clutch Fluid Update
- Wheels/Tires - Summer Tires/Wheels & Spacers
- Engine - Approved Porsche A40 Engine Oils
- Tires/Wheels - Handling Instructions After Damaged
- Engine - Approved Engine Oil Specification