Engine Lubrication: Technical Service Bulletins

• Customer Interest
  • Engine - Oil In the Cooling System
  • Engine - Low or No Oil Pressure Upon Cold Start
  • Engine - Oil Pressure Too High
• By Symptom
  • Customer Interest
    • Engine - Oil In the Cooling System
    • Engine - Low or No Oil Pressure Upon Cold Start
    • Engine - Oil Pressure Too High
  • Leaks
    • Engine - Oil In the Cooling System
    • Engine - Low or No Oil Pressure Upon Cold Start
  • Poor performance
    • Engine - Symptoms Due to Above Normal Oil Level
  • Sticking/Binding
    • Engine - Oil Pressure Too High
• All Technical Service Bulletins
  • Engine - Approved Engine Oil Specification
  • Engine - Approved Porsche A40 Engine Oils
  • Engine - Approved Engine Oils Overview
  • Engine - Clean Main Oil Channel During Overhaul
  • Tools - Oil Filter Wrench Modifying
  • Oil Cooler - Improved Mounting
  • Oil Pressure Relief Valve - Revised
  • Engine - Oil In the Cooling System
  • Oil Pressure Relief Valve - Identification & Application
  • Engine - Low or No Oil Pressure Upon Cold Start
  • Tools - Oil Cooler Testing
  • Oil Pan - Sealing
  • Oil Cooler/Oil Pressure Relief Valve - Repair Guide
    • Overview
    • Section 1 - Oil Pressure Relief Valve
    • Section 2 - Oil Cooler Repairs
  • Oil Pump - Modification
  • Engine Lubrication - Oils That Minimize Carbon Build-Up
  • Engine - Motor Oils That Minimize Carbon Build-Up
  • Engine - Symptoms Due to Above Normal Oil Level
  • Engine - Approved Engine Oils
  • Engine - Porsche Approved Oils
  • Turbo Oil Supply O-Ring - Replace During Turbo Service
  • Engine - Oil Pressure Too High