Maintenance: Technical Service Bulletins
- Customer Interest
- By Symptom
- All Technical Service Bulletins
- Engine - Approved Engine Oils Overview
- Air Bag - Scheduled Maintenance
- Steering Gear - New Type Oil
- A/T - Fluid Level Corrections
- Transmission Fluids - Specifications
- Vehicle - Approximate Oil/Fluid Capacities Chart
- Tools - Special Wheel Balancing Adapter
- Spark Plug - Replacement Intervals
- Vehicle - Repair Times & Maintenance Requirements
- Tools - Auto Scopemeter & Engine Analyzer
- A/C - Substitutes for R-12 Refrigerant
- A/C Refrigerant - Identifier
- A/C - Refrigerant 134a Use
- A/C Hoses - Contact Ventilation Screen
- Oil Filters - Unnecessary Perforation of When Removing
- Cooling Fan - Noisy
- Spark Plug & Connector - Removal
- Spark Plugs - Install With Threads Clean and Dry
- Wheel Bearing Locking - Changed
- Wheels - Unapproved Installation of 18 Inch Wheels
- Tires/Wheels - Summer Recommendations
- Tires/Wheels - Summer Tire & Wheel Rim Summary
- Wheels - Non Approval of Chrome Plating Aluminum Wheels
- Wheels - Approved 17 Inch Wheels
- Front Wheel Carrier Cover - Revised
- Wheels - Retrofitting Unapproved 18 Inch Wheels
- Tire/Wheel Rim - Latest Winter Recommendations
- Overview
- Tire Pressures
- Collapsible Spare Tire Information
- Recommended Winter Tires For Porsche 4 CYL. ENG. Cars
- Winter Wheel Rim and Tire Sizes For Porsche 4 CYL. ENG. Cars
- Survey of 4 CYL. Porsche Wheel Rims For Winter Tires
- Recommended Winter Tires For Porsche 6 CYL. ENG. Cars
- Winter Tire/Wheel Rim Summary and Tire Sizes For 6 CYL. ENG. Cars
- Survey of 6 CYL. ENG. Porsche Wheel Rims For Winter Tires
- Recommended Winter Tires For Porsche 8 Cylinder Engine Cars
- Winter Wheel Rim and Tire Sizes For Porsche 8 Cylinder Engine Cars
- Survey of Porsche Wheel Rims For Winter Tires - 928/S/S4/GT
- Tires/Wheels - Summer Recommendation Summary
- Tires - Manufacturer Contact Information
- Tires (VR-Rated Summer ) - Do Not Mix With ZR Rated
- Tools - Tire Pressure Gauge With Correct Accuracy
- A/T - ATF Flow Noise When Cold
- Ignition Distributor - Install Ventilation When Serviced
- Ignition Distributor - Revision and Marking
- Ignition Cables - Chafe on Ground Strap, and MIL ON
- Engine Lubrication - Oils That Minimize Carbon Build-Up
- Engine - Approved Engine Oils
- Engine - Porsche Approved Oils
- V-Belt - Correct Tensioning Procedures and Tool
- Fuse - Ratings Have Been Revised
- Alignment - Caster Adjustment Values
- Warranty - First Alignment & Convertible Top Checks
- Tools - Wheel Alignment Equipment
- Alignment - Revised Specifications
- Tires/Wheels - Latest Summer Recommendations
- Wheels/Tires - Winter Wheels/Tires/Snow Chains
- A/C - Use of Correct Refrigerant
- A/C - Refrigerent Oil Volume Capacities
- Wheels/Tires - Summer Wheels/Tires & Spacers
- Engine - Approved Porsche A40 Engine Oils
- Tires/Wheels - Handling Instructions After Damaged
- Engine - Approved Engine Oil Specification