Engine Lubrication: Technical Service Bulletins

• Customer Interest
  • Engine - Oil In the Cooling System
  • Cylinder Head - Coolant Loss/Coolant in Oil
  • Oil Cooler Return Hose - Chafe On Stabilizer Bar
  • Engine - Oil Pressure Too High
• By Symptom
  • Abnormal wear/deterioration
    • Oil Pressure Reducing/Relief Valve - Replacement
    • Oil Cooler Return Hose - Chafe On Stabilizer Bar
  • Customer Interest
    • Engine - Oil In the Cooling System
    • Cylinder Head - Coolant Loss/Coolant in Oil
    • Oil Cooler Return Hose - Chafe On Stabilizer Bar
    • Engine - Oil Pressure Too High
  • Leaks
    • Engine - Oil In the Cooling System
    • Cylinder Head - Coolant Loss/Coolant in Oil
  • 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
  • Oil Pump/Crankcase Sealing Surface - Alignment
  • Oil Cooler O-Rings/Pressure Testing Cooler - Revised
  • Engine - Oil In the Cooling System
  • Oil Pressure Reducing/Relief Valve - Replacement
  • Tools - Oil Cooler Testing
  • Oil Pan - Sealing
  • Cylinder Head - Coolant Loss/Coolant in Oil
  • Engine Lubrication - Oils That Minimize Carbon Build-Up
  • Engine - Motor Oils That Minimize Carbon Build-Up
  • Engine - Approved Engine Oils
  • Engine - Porsche Approved Oils
  • Oil Cooler Return Hose - Chafe On Stabilizer Bar
  • Engine - Oil Pressure Too High