Maintenance: Technical Service Bulletins
- Customer Interest
- By Symptom
- All Technical Service Bulletins
- Engine - Approved Engine Oils Overview
- Air Bag - Scheduled Maintenance
- Transmission Fluids - Specifications
- Vehicle - Approximate Oil/Fluid Capacities Chart
- Tools - Special Wheel Balancing Adapter
- 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
- Camshaft Drive Belts - Recommended Usage
- Engine Performance - Surging Idle or Hesitations
- Engine - Oil In the Cooling System
- Toothed Engine Belts - Storage, Packing and Handling
- Cooling System - Approved Phosphate Free Anti-Freeze
- Spark Plug - Recommeded Usage
- Spark Plugs - Install With Threads Clean and Dry
- Camshaft Drive Belt - Noise at 1800 RPM
- Wheels - Unapproved Installation of 18 Inch Wheels
- Tires/Wheels - Summer & Winter Summary
- Tires/Wheels - Summer Recommendations
- Tires/Wheels - Summer Tire & Wheel Rim Summary
- Wheels - Non Approval of Chrome Plating Aluminum Wheels
- 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 - Installing Approved 17 Inch Wheels
- Tires - Manufacturer Contact Information
- Tires (VR-Rated Summer ) - Do Not Mix With ZR Rated
- Tools - Tire Pressure Gauge With Correct Accuracy
- Tires - Winter Tire Summary Supplement
- Ignition Distributor - Revision and Marking
- CO Sample Pipe - Material and Mounting Change
- Engine Lubrication - Oils That Minimize Carbon Build-Up
- Engine - Approved Engine Oils
- Engine - Porsche Approved Oils
- Warranty - First Alignment & Convertible Top Checks
- Tools - Wheel Alignment Equipment
- Wheels/Tires - Winter - Tires/Wheels/Snow Chains
- Wheels/Tires - Winter Wheels/Tires/Snow Chains
- A/C - Use of Correct Refrigerant
- A/C - Refrigerent Oil Volume Capacities
- Tires - Summer Tire Summary
- Engine - Approved Porsche A40 Engine Oils
- Tires/Wheels - Handling Instructions After Damaged
- Engine - Approved Engine Oil Specification