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 - Poor Performance, Poor Idle, and Engine Surge
  • Oil Filters (Small 75 mm) - Leakage Prevention
  • Engine - Miss, Hesitation, or Roughness
  • Timing Gear - Noise
  • Engine, A/T - Shift/Driveability Concerns/MIL ON
• By Symptom
  • Customer Interest
    • Engine - Poor Performance, Poor Idle, and Engine Surge
    • Oil Filters (Small 75 mm) - Leakage Prevention
    • Engine - Miss, Hesitation, or Roughness
    • Timing Gear - Noise
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • Driveability
    • Engine - Poor Performance, Poor Idle, and Engine Surge
    • 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
    • Oil Filters (Small 75 mm) - Leakage Prevention
  • Noise
    • Timing Gear - Noise
  • 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 - Poor Performance, Poor Idle, and Engine Surge
  • 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
  • Fuel - Idle Speed Control Incorrect Diagnosis
  • Engine - Undersize Crankshaft Connecting Rod Journals
  • Tools - Proper Use of Timing Belt Tension Gauge
  • Engine - Oil Filter Bypass Valve/Reinstall or Replace
  • Oil Filters (Small 75 mm) - Leakage Prevention
  • Rear Main Bearing Cap Groove - Elimination
  • Engine - Miss, Hesitation, or Roughness
  • Engine - Rocker Arm Cover Gasket Use
  • 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
  • Maintenance - Updated Minimum Acceptable Oil Levels
  • Engine - Rough/Unstable/Incorrect Idle
  • Engine - Camshaft/Crankshaft Gear Modifications
  • Timing Gear - Noise
  • Engine - Oil Leak Detection Via Black Light Process
    • Overview
    • Black Light Process Check
    • External Air Pressure
    • Internal Pressure
    • Component Removal
    • Recommended Sealer Usage On Oil Leaks
    • Possible Oil Leak Areas 2.5L L4
    • Warranty Information
  • 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.