Engine: Technical Service Bulletins

• Customer Interest
  • Coolant Pump - Leaks
• By Symptom
  • Customer Interest
    • Coolant Pump - Leaks
  • Leaks
    • Coolant Pump - Leaks
• All Technical Service Bulletins
  • Engine - Approved Engine Oil Specification
  • Engine - Approved Porsche A40 Engine Oils
  • VIN, Certification, & Emission Label - Availability
  • VIN, Certification & Emission Labels - Availability
  • VIN Plate, Certification & Emission Label - Availability
  • Toothed Engine Belts - Storage, Packing and Handling
  • 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
  • Coolant Pumps - Modified
  • Magnetic Engine Oil Drain Plug - Deleted
  • Connecting Rod Nuts - Incorrectly Made
  • Camshaft Belt Tension Indicator Lamp - Troubleshooting
  • Tools - Auto Scopemeter & Engine Analyzer
  • Spark Plugs - Install With Threads Clean and Dry
  • Cylinder Heads - Machining and Using Correct Gaskets
  • Coolant Pump - Leaks
  • Engine Lubrication - Oils That Minimize Carbon Build-Up
  • Engine - Approved Engine Oils
  • Engine - Porsche Approved Oils
  • Engine - Approved Engine Oils Overview