Maintenance: Technical Service Bulletins
- Customer Interest
- By Symptom
- All Technical Service Bulletins
- Engine - Approved Engine Oils Overview
- Steering Gear - New Type Oil
- Vehicle - Approximate Oil/Fluid Capacities Chart
- Tools - Special Wheel Balancing Adapter
- Spark Plug - Replacement Intervals
- Tools - Auto Scopemeter & Engine Analyzer
- A/C - Substitutes for R-12 Refrigerant
- A/C Refrigerant - Identifier
- A/C - Refrigerant 134a Use
- Power Steering - Noise from Hydraulic System
- Cooling Fan - Noisy
- Spark Plug - Usage
- Spark Plugs - Install With Threads Clean and Dry
- Alternator - A/C Compressor Belt Squeal On Cold Start
- Alternator - A/C Compressor Belt Squeal On Cold Start
- Camshaft Timing - Specifications
- Wheels - Unapproved Installation of 18 Inch Wheels
- Tires/Wheels - Summer Recommendations
- Wheels - Non Approval of Chrome Plating Aluminum Wheels
- Tires (17 inch) - Mounting Procedure
- Wheels - Approved 17 Inch 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 - Approved Summer Makes and Sizes
- Tires - Manufacturer Contact Information
- Tools - Tire Pressure Gauge With Correct Accuracy
- Check Engine Light - Product Reporting
- Check Engine Light - Product Report
- A/C Line - Contact With Rear Spoiler Mounting Bolt
- A/C Line - Contacts Rear Spoiler Mounting Bolt
- 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
- Alignment - Revised Specifications
- Tires/Wheels - Latest Summer Recommendations
- Rear Axle - Installing Distance Spacers
- A/C - Use of Correct Refrigerant
- A/C - Refrigerent Oil Volume Capacities
- Wheels/Tires - Winter Tires/Wheels and Snow Chains
- Engine - Approved Porsche A40 Engine Oils
- Tires/Wheels - Handling Instructions After Damaged
- Engine - Approved Engine Oil Specification