Maintenance: Technical Service Bulletins
- Customer Interest
- By Symptom
- All Technical Service Bulletins
- Engine - Approved Engine Oils Overview
- Transmission Fluids - Specifications
- Engine - Motor Oils That Minimize Carbon Build-Up
- Vehicle - Approximate Oil/Fluid Capacities Chart
- Tools - Special Wheel Balancing Adapter
- Vehicle - Winterization
- Vehicle - Maintenance Service Requirements
- Vehicle - Maintenance Requirements
- Overview
- Model 911, 911 Turbo
- Model 928 S
- Model 944, 944 Turbo
- 1000 Mile Maintenance Service
- 7,500, 22,500, 37,500 Miles Ext. Maintenance Service
- 30,000, 60,000, 90,000 Mile Maintenance Service
- Tools - Oil Filter Wrench Modifying
- Tools - Auto Scopemeter & Engine Analyzer
- A/C - System Component Oil Filling Capacities
- A/C System - Filling Instructions
- A/C - Substitutes for R-12 Refrigerant
- A/C Refrigerant - Identifier
- A/C - Refrigerant 134a Use
- A/C Freon Temperature Switch - Revised
- Camshaft Drive Belts - Recommended Usage
- Engine - Drive Belt Checking and Adjusting Values
- Engine - Oil In the Cooling System
- Poly Rib Belt - Tensioning Procedure
- Engine - Low or No Oil Pressure Upon Cold Start
- Toothed Engine Belts - Storage, Packing and Handling
- Cooling System - Clean & Flush After Repairing Leak
- Radiator - Plugged Up
- Cooling System - Approved Phosphate Free Anti-Freeze
- Spark Plugs - Install With Threads Clean and Dry
- Spark Plugs - Revised Plugs and Tightening Torque
- Camshaft Drive Belt - Adjustment
- Cam Belt Tensioner Nut - Torque Specification
- Camshaft Drive - Replaced Parts Upon Belt Failure
- 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 Tire Approval
- Tires - Manufacturer Contact Information
- Tires (VR-Rated Summer ) - Do Not Mix With ZR Rated
- Tires - Winter Tire Summary Supplement
- Sunroof - Relay Layout on the Central Electric Board
- Fuse 11 - Blown
- Emissions - Basic Equipment and Tune-Up Specifications
- CO Sample Pipe - Material and Mounting Change
- Tools - Sun Sleuth Diagnostic Unit Available
- Engine Lubrication - Oils That Minimize Carbon Build-Up
- Engine - Symptoms Due to Above Normal Oil Level
- Engine - Approved Engine Oils
- Engine - Porsche Approved Oils
- Power Steering Pressure Hose - Touches Oil Pan
- Relay - Location Updates
- Tools - Wheel Alignment Equipment
- Wheels/Tires - Winter - Tires/Wheels/Snow Chains
- Rear Axle Shaft Nut - Torque Changed
- 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