Maintenance: Technical Service Bulletins
- Recalls
- Customer Interest
- By Symptom
- All Technical Service Bulletins
- Engine - Approved Engine Oils Overview
- Engine - Motor Oils That Minimize Carbon Build-Up
- Vehicle - Approximate Oil/Fluid Capacities Chart
- Tools - Special Wheel Balancing Adapter
- Vehicle - Mileage Maintenance Requirements
- Overview
- Model 911, 911 Turbo
- Model 928 S4
- Model 944, 944S, 944 Turbo, 924S
- 1000 Mile Maintenance Service
- 7,500, 22,500, 37,500 Miles, Etc. Maintenance Service Turbo Engines Only
- 15,000, 45,000, 75,000 Mile Maintenance Service
- 30,000 60,000 90,000 Mile Maintenance Service
- Tools - Auto Scopemeter & Engine Analyzer
- Oil Level Warning System - Owners Manual Correction
- Oil Level Warning System - Stages of Component Install
- A/C - Substitutes for R-12 Refrigerant
- A/C Refrigerant - Identifier
- A/C - Refrigerant 134a Use
- Power Steering Reservoir/Hose - New Clamps
- Camshaft Drive Belts - Recommended Usage
- Toothed Drive Belts - Diagnosing Condition
- Poly Rib Belt - Tensioning Procedure
- Toothed Engine Belts - Storage, Packing and Handling
- Cooling System - Clean & Flush After Repairing Leak
- Radiator - Plugged Up
- Cooling System - Approved Phosphate Free Anti-Freeze
- Campaign - Steering Pump Switch Protection
- Spark Plugs - Install With Threads Clean and Dry
- Spark Plugs - Revised Plugs and Tightening Torque
- Camshaft Drive Belt - Adjustment
- Camshaft Belt - Adjustment
- Wheels - Unapproved Installation of 18 Inch Wheels
- Tires/Wheels - Summer Recommendations
- Wheels - Non Approval of Chrome Plating Aluminum Wheels
- Wheels - Retrofitting Unapproved 18 Inch Wheels
- Tire/Wheel Rim - Latest Winter Recommendations
- Wheel Balancing - Service Recommendations
- Wheel/Tire - General Information
- Tires/Wheels - Winter Tire/Wheel Rim Summary
- Tires - Bridgestone RE 71 Tires Approved
- Tires - Manufacturer Contact Information
- Engine - Poor Start, Misfire, Backfire, or Stalling
- Engine Performance - Tune Up Specifications
- CO Sample Pipe - Material and Mounting Change
- Engine Lubrication - Oils That Minimize Carbon Build-Up
- Engine - Approved Engine Oils
- Engine - Porsche Approved Oils
- Power Steering Pressure Hose - Touches Oil Pan
- Tools - Wheel Alignment Equipment
- 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