Repair and Diagnosis: Technical Service Bulletins

• How to Find Technical Service Bulletins by Category/Symptom
• Superceded Bulletins
  • 20/07 - 12/21/07
  • 91/05 - 07/28/05
  • 9407 - 02/17/94
  • WARR9409 - 09/02/94
  • WARR9508 - 01/26/95
  • Tires/Wheels - Winter Recommendation Summary
  • Tires - Winter Tire Summary Supplement
  • Engine - Porsche Approved Engine Oils
  • Engine - Engine Oils Approved By Porsche
  • Engine - Overview Of Approved Engine Oils
  • Engine - Approved Engine Oil Specifications
• All Technical Service Bulletins
  • Vehicle - Use Only Approved Parts For Collision Repairs
  • Maintenance - For Low Mileage Vehicles
  • Warranty - Pre-Owned Program Changed
  • Tools - Quick Scope Plus
  • Warranty - Unplug, Clean, and Plug Survey Testing
    • Warranty Information
    • Shipping Instructions
  • A/C Refrigerant - Identifier
  • A/C - Retrofitting R12 Systems to R134
    • Overview
    • Procedures
  • Tools - Arrival of Minimum Requirement Tools
  • Tools - Transmission, Powertrain, and Engine Service
  • Tools - Modifying Transmission Support Tool
  • Cylinder Heads - Tightening Procedure & Service Changes
    • Overview
    • 924 Model
    • 924 Turbo Model
    • 924S, 944, 944S, 944 Turbo Model
    • 911 Carrera Model
    • 928, 928S, 928 S4 Model
  • VIN Plate, Certification & Emission Label - Availability
  • Brake Pads - Installing Vibration Dampers
  • Exhaust System - Sulfur Like Smell
  • Paint - Manual Supplements
  • Vehicle Security Codes - Requesting
  • Tools - System Tester 9288 Acronym Definitions
  • Engine - Approved Engine Oils
  • Engine - Porsche Approved Oils
  • A/T - Engine Vacuum Testing
  • A/T - How To Use A Pressure Gauge
  • A/T - Slipping or No-Shift/Metal Sealing Rings
  • A/T - Front Bushing Wear
  • A/T - Math Formulas Part I
    • Overview
    • Shift Speed and Pressure
    • Speedometer Ratios
  • A/T - Twenty Steps To Successful Repairs
  • A/T - Math Part II
  • A/T - Choosing the Right ATF
  • Vehicle - Year 2000 Hardware/Software Readiness
  • Suspension - Lowering Ride Height is Not Approved
  • Tires/Wheels - Latest Summer Recommendations
  • Wheels/Tires - Approved Summer Wheels/Tires
  • Tires/Wheels - Winter Tires/Wheels/Snow Chains
  • A/C - Use of Correct Refrigerant
  • Drivetrain - Servicing the PSD Pressure Accumulator
  • Engine - Approved Engine Oils Overview
  • Tires - Summer Tire Summary
  • Engine - Approved Porsche A40 Engine Oils
  • Tires/Wheels - Handling Instructions After Damaged
  • Engine - Approved Engine Oil Specification
  • Computers/Controls - Component Diagnosis