Engine, Cooling and Exhaust: Technical Service Bulletins

• Customer Interest
  • A/C, Cooling Sys- Poor Or No Heating In Any Or All Heating Zone
  • Engine - Upper Engine Oil Leaks
  • Engine - Poor Performance/Hissing Noise/High Fuel Trim
  • Engine Controls - DTC's P1874/P1875/P1876
  • Electrical - Cooling Fan Won't Turn OFF /Battery Dead
  • Engine - Oil Cap Difficult to Remove/Install
    • Overview
    • Attachment Bulletin # 170405
  • Engine - Oil Leaks From Upper Engine Areas
  • Cooling System - Coolant Reservoir Appears To Be Leaking
  • Cooling System - Radiator Coolant Leakage
  • Engine Controls - Low Power/MIL ON/MAF DTC's Set
  • Engine/Cooling - Oil Filter Cap/Alternator Cooler Line
• By Symptom
  • Abnormal wear/deterioration
    • Electrical - Cooling Fan Won't Turn OFF /Battery Dead
  • Continuous fan operation
    • Electrical - Cooling Fan Won't Turn OFF /Battery Dead
  • Customer Interest
    • A/C, Cooling Sys- Poor Or No Heating In Any Or All Heating Zone
    • Engine - Upper Engine Oil Leaks
    • Engine - Poor Performance/Hissing Noise/High Fuel Trim
    • Engine Controls - DTC's P1874/P1875/P1876
    • Electrical - Cooling Fan Won't Turn OFF /Battery Dead
    • Engine - Oil Cap Difficult to Remove/Install
      • Overview
      • Attachment Bulletin # 170405
    • Engine - Oil Leaks From Upper Engine Areas
    • Cooling System - Coolant Reservoir Appears To Be Leaking
    • Cooling System - Radiator Coolant Leakage
    • Engine Controls - Low Power/MIL ON/MAF DTC's Set
    • Engine/Cooling - Oil Filter Cap/Alternator Cooler Line
  • Driveability
    • Engine - Poor Performance/Hissing Noise/High Fuel Trim
  • Leaks
    • Engine - Upper Engine Oil Leaks
    • Engine - Oil Leaks From Upper Engine Areas
    • Cooling System - Coolant Reservoir Appears To Be Leaking
    • Cooling System - Radiator Coolant Leakage
  • Noise
    • Engine - Poor Performance/Hissing Noise/High Fuel Trim
  • Won't turn off
    • Electrical - Cooling Fan Won't Turn OFF /Battery Dead
• All Technical Service Bulletins
  • Engine - Oil Meeting Audi Quality Standards
  • A/C, Cooling Sys- Poor Or No Heating In Any Or All Heating Zone
  • Engine - 4.2L V8 Repair
  • Engine - Upper Engine Oil Leaks
  • Engine - Oil Consumption Measurement
  • Engine - Poor Performance/Hissing Noise/High Fuel Trim
  • Engine Controls - DTC's P1874/P1875/P1876
  • Electrical - Cooling Fan Won't Turn OFF /Battery Dead
  • Engine - Oil Cap Difficult to Remove/Install
    • Overview
    • Attachment Bulletin # 170405
  • Engine - Oil Quality Standard VW 502 00
  • Engine - Oils Meeting VW Standards VW 502 00/505 01
  • Engine - Oil Consumption Measurement Information
  • Engine - Oil Leaks From Upper Engine Areas
  • Engine - Higher Than Normal Oil Consumption
  • Cooling System - Coolant Reservoir Appears To Be Leaking
  • Cooling System - Radiator Coolant Leakage
  • Engine Controls - Low Power/MIL ON/MAF DTC's Set
  • Engine/Cooling - Oil Filter Cap/Alternator Cooler Line
  • Engine - Inspect For Debris In Transferred Assemblies
  • Cooling System - Coolant ID/Filling/Mixing Information