Engine: Technical Service Bulletins

• Recalls
  • Campaign - Crankshaft Pulley Bolt Replacement
    • Overview
    • Vehicles Involved, Owner, Dealer and Parts Information
    • Service Procedure
    • Claim and Warranty Information
• Customer Interest
  • Engine - Rocker Arm Cover Oil Leak
  • Engine - Rear Main Crankshaft Seal Leaks
  • A/T - 3-2 and/or 2-1 Coastdown Clunk
  • Oil Filters (Small 75 mm) - Leakage Prevention
  • Engine - Miss, Hesitation, or Roughness
  • Engine, A/T - Shift/Driveability Concerns/MIL ON
• By Symptom
  • Customer Interest
    • Engine - Rocker Arm Cover Oil Leak
    • Engine - Rear Main Crankshaft Seal Leaks
    • A/T - 3-2 and/or 2-1 Coastdown Clunk
    • Oil Filters (Small 75 mm) - Leakage Prevention
    • Engine - Miss, Hesitation, or Roughness
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • Driveability
    • Engine - Miss, Hesitation, or Roughness
    • Engine - Rough/Unstable/Incorrect Idle
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • Erratic Operation
    • Engine - Miss, Hesitation, or Roughness
  • Erratic Shifting
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • Leaks
    • Engine - Rocker Arm Cover Oil Leak
    • Engine - Rear Main Crankshaft Seal Leaks
    • Oil Filters (Small 75 mm) - Leakage Prevention
    • Engine Oil - Discoloration Due to Added Dye
  • Noise
    • A/T - 3-2 and/or 2-1 Coastdown Clunk
  • Recalls
    • Campaign - Crankshaft Pulley Bolt Replacement
      • Overview
      • Vehicles Involved, Owner, Dealer and Parts Information
      • Service Procedure
      • Claim and Warranty Information
• All Technical Service Bulletins
  • Vehicle - Engine And Sub Systems Flushing Info. (CANADA)
  • Vehicle - Engine And Sub-Systems Flushing Recommendations
  • Engine - Intake Manifold Inspection/Replacement
  • Engine - Use of 'Surface Conditioning Disks'
  • Engine - Drive Belt Misalignment Diagnostics
  • Engine - Noise/Damage Oil Filter Application Importance
  • Engine - Sealant Usage/Procedures
  • Engine - Availability and Altitude Adjustments
  • Engine - AC Delco Remanufactured Engines
    • Overview
    • Warranty Coverage
    • New Warranty Registration
    • Warranty Claim Submission Requirements
    • Claim Submission Details
  • Engine - Surface Conditioning Discs Precautions
  • Engines - ACDelco Remanufactured
    • Overview
    • Warranty Coverage
    • Warranty Claim Submission Procedures
  • RTV Sealer and Gasket Eliminator - Usage
  • Tools - Proper Use of Timing Belt Tension Gauge
  • Engine - Rocker Arm Cover Oil Leak
  • Engine - Rear Main Crankshaft Seal Leaks
  • Rear Main Crankshaft Seal - New Design
  • A/T - 3-2 and/or 2-1 Coastdown Clunk
  • Oil Filters (Small 75 mm) - Leakage Prevention
  • Engine - Miss, Hesitation, or Roughness
  • Campaign - Crankshaft Pulley Bolt Replacement
    • Overview
    • Vehicles Involved, Owner, Dealer and Parts Information
    • Service Procedure
    • Claim and Warranty Information
  • Engine - Oil Recommendations
  • Engine - Mobil Oil Corporation Engine Oil Press Release
  • Engine Oil - Discoloration Due to Added Dye
  • Maintenance - Updated Minimum Acceptable Oil Levels
  • Engine - Rough/Unstable/Incorrect Idle
  • Tools - New Compact Belt Tension Gauge
  • Engine Adjustments - Effect On Power Brake Pedal Effort
  • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • Engine/Fuel System - Oil/Fuel Additive Information
  • Engine - GM Dexos 1(R) And 2(R) Oil Specifications
  • Engine - GM dexos 1(R) and dexos 2(R) Oil Specifications/Info.