Maintenance: Technical Service Bulletins

• By Symptom
  • Front Wheel Seals - Squeaking or Whistling Noise
• 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
  • Spark Plug - Replacement Intervals
  • Vehicle - Required Maintenance
    • Overview
    • Maintenance Service
    • 2000, 2500, 7500, 22000, 37500 Miles Maintenance Service
    • 15,000, 45,000, 75,000 Miles Maintenance Service
    • 30,000, 60,000, 90,000 Mile Maintenance Service
    • Requirements Information
  • Tools - Auto Scopemeter & Engine Analyzer
  • Heater Fan Fuse - Required in the Engine Compartment
  • A/C - Substitutes for R-12 Refrigerant
  • A/C Refrigerant - Identifier
  • A/C - Refrigerant 134a Use
  • Spark Plugs - Install With Threads Clean and Dry
  • Wheels - Unapproved Installation of 18 Inch Wheels
  • Tires/Wheels - Summer Recommendations
    • Overview
    • Tire Pressures 924S/944/Turbo/S/S2
    • Wheel Rim For Summer Tires, 944TURBO/S/S2
    • Tire Pressure, Tire and Wheels Model 968
    • Tire Pressure, Tire and Wheels, 911
    • Summer Tire Dimensions and Makes, 911
    • Tire Pressure, Tire and Wheels 928/S/S4/GT
  • Wheels - Non Approval of Chrome Plating Aluminum Wheels
  • 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 - Winter Tire/Wheel Rim Summary
    • Overview
    • Recommended Winter Tires and Matching Wheel Rims
  • Tires - Manufacturer Contact Information
  • Tires (VR-Rated Summer ) - Do Not Mix With ZR Rated
  • Engine Lubrication - Oils That Minimize Carbon Build-Up
  • Engine - Approved Engine Oils
  • Engine - Porsche Approved Oils
  • Front Wheel Seals - Squeaking or Whistling Noise
  • Warranty - First Alignment & Convertible Top Checks
  • Tools - Wheel Alignment Equipment
  • A/C - Use of Correct Refrigerant
  • A/C - Refrigerent Oil Volume Capacities
  • Tires - Summary Of Summer Tires
  • Engine - Approved Porsche A40 Engine Oils
  • Tires/Wheels - Handling Instructions After Damaged
  • Engine - Approved Engine Oil Specification