Maintenance: Technical Service Bulletins
- Customer Interest
- By Symptom
- All Technical Service Bulletins
- Engine - Approved Engine Oils Overview
- Air Bag - Scheduled Maintenance
- Vehicle - Approximate Oil/Fluid Capacities Chart
- Tools - Special Wheel Balancing Adapter
- Tools - Auto Scopemeter & Engine Analyzer
- A/C - Substitutes for R-12 Refrigerant
- A/C Refrigerant - Identifier
- A/C - Refrigerant 134a Use
- 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
- Wheels - Non Approval of Chrome Plating Aluminum Wheels
- Wheels - Retrofitting Unapproved 18 Inch Wheels
- Tires/Wheels - Installing Approved 17 Inch Wheels
- Tires - Manufacturer Contact Information
- Tools - Tire Pressure Gauge With Correct Accuracy
- Tires - Winter Tire Summary Supplement
- Ignition Distributor - Revision and Marking
- Check Engine Light - Product Reporting
- Check Engine Light - Product Report
- 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