Engine, Cooling and Exhaust: Technical Service Bulletins

• Customer Interest
  • Engine - Loss of Coolant/No External Leaks Evident
  • Electrical - No Start/Front Lamps Inoperative/DTC's Set
  • Engine Controls - MIL ON/DTC's P0171/P0172 Set
  • A/T - TCC Shudder/Vibration
  • Engine - Oil Leaks From the Front Crank Seal When Cold
  • A/C - Hissing Noise
  • Engine - Fresh Air Intake Hose Whistle/Chirp Noise
  • Engine, A/T - Shift/Driveability Concerns/MIL ON
• By Symptom
  • Abnormal wear/deterioration
    • Engine Controls - MIL ON/DTC's P0171/P0172 Set
  • Customer Interest
    • Engine - Loss of Coolant/No External Leaks Evident
    • Electrical - No Start/Front Lamps Inoperative/DTC's Set
    • Engine Controls - MIL ON/DTC's P0171/P0172 Set
    • A/T - TCC Shudder/Vibration
    • Engine - Oil Leaks From the Front Crank Seal When Cold
    • A/C - Hissing Noise
    • Engine - Fresh Air Intake Hose Whistle/Chirp Noise
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • Driveability
    • A/T - TCC Shudder/Vibration
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • Erratic Operation
    • Electrical - No Start/Front Lamps Inoperative/DTC's Set
  • Erratic Shifting
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • Inoperative
    • Electrical - No Start/Front Lamps Inoperative/DTC's Set
  • Leaks
    • Engine - Loss of Coolant/No External Leaks Evident
    • Engine - Oil Leaks From the Front Crank Seal When Cold
  • Loose
    • Electrical - No Start/Front Lamps Inoperative/DTC's Set
  • Noise
    • A/C - Hissing Noise
    • Engine - Fresh Air Intake Hose Whistle/Chirp Noise
  • Starting problems
    • Electrical - No Start/Front Lamps Inoperative/DTC's Set
  • Vibration
    • A/T - TCC Shudder/Vibration
• All Technical Service Bulletins
  • Vehicle - Engine And Sub Systems Flushing Info. (CANADA)
  • Vehicle - Engine And Sub-Systems Flushing Recommendations
  • Engine - Loss of Coolant/No External Leaks Evident
  • Electrical - No Start/Front Lamps Inoperative/DTC's Set
  • Engine - Oil Pump Bolt Torque Revisions
  • Cooling System - Revised Water Pump to Prevent Leaks
  • Engine Controls - MIL ON/DTC's P0171/P0172 Set
  • A/T - TCC Shudder/Vibration
  • Engine - Oil Filter Element/Cap Applications
  • Engine - Oil Leaks From the Front Crank Seal When Cold
  • A/C - Hissing Noise
  • Engine - Fresh Air Intake Hose Whistle/Chirp Noise
  • Engine - Revised Timing Chain/Oiler, Service Procedure
    • Overview
    • Service Procedure
      • Removal
      • Installation
  • Cooling System - Coolant Recycling Information
  • Engine - Unnecessary Crankcase And Subsystem Flushing
  • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • Engine - Sealant Usage/Procedures
  • Cooling System - DEX-COOL(R) Coolant Leak Detection Dye
  • Engine/Fuel System - Oil/Fuel Additive Information
  • Cooling System, A/C - Aluminum Heater Cores/Radiators
  • Gasoline Engine - Oil Consumption Guidelines
  • Engine - Noise/Damage Oil Filter Application Importance
  • Engine - Drive Belt Misalignment Diagnostics
  • Engine - Use of 'Surface Conditioning Disks'
  • Engine - Intake Manifold Inspection/Replacement
  • Engine - GM Dexos 1(R) And 2(R) Oil Specifications
  • Engine - GM dexos 1(R) and dexos 2(R) Oil Specifications/Info.