Engine, Cooling and Exhaust: Technical Service Bulletins

• Customer Interest
  • Engine Timing Gear - Noise
  • A/C Compressor - Loading in Defrost Mode
  • Vehicle - Idle Shake, Noise and Vibration Diagnosis
  • Engine - Detonation at Cruising Speed (40-55MPH)
  • Exhaust System - Booming Noise
  • Engine - Miss, Hesitation, or Roughness
  • Engine, A/T - Shift/Driveability Concerns/MIL ON
• By Symptom
  • Customer Interest
    • Engine Timing Gear - Noise
    • A/C Compressor - Loading in Defrost Mode
    • Vehicle - Idle Shake, Noise and Vibration Diagnosis
    • Engine - Detonation at Cruising Speed (40-55MPH)
    • Exhaust System - Booming Noise
    • Engine - Miss, Hesitation, or Roughness
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • Driveability
    • A/C Compressor - Loading in Defrost Mode
    • Engine - Detonation at Cruising Speed (40-55MPH)
    • Engine - Miss, Hesitation, or Roughness
    • 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
    • Cooling System - Leak Diagnostic Procedure
    • Engine - Installation of 75 mm Oil Filter
  • Noise
    • Engine Timing Gear - Noise
    • Vehicle - Idle Shake, Noise and Vibration Diagnosis
    • Exhaust System - Booming Noise
  • Vibration
    • Vehicle - Idle Shake, Noise and Vibration Diagnosis
• All Technical Service Bulletins
  • Vehicle - Engine And Sub Systems Flushing Info. (CANADA)
  • Vehicle - Engine And Sub-Systems Flushing Recommendations
  • Engines - ACDelco Remanufactured
    • Overview
    • Warranty Coverage
    • Warranty Claim Submission Procedures
  • Engine - Surface Conditioning Discs Precautions
  • Engine - AC Delco Remanufactured Engines
    • Overview
    • Warranty Coverage
    • New Warranty Registration
    • Warranty Claim Submission Requirements
    • Claim Submission Details
  • Engine Timing Gear - Noise
  • Engine - Effects of Top Engine Cleaner on the Converter
  • Cooling System - Leak Diagnostic Procedure
  • Fuel System - Revised Mixture Control Adjustments
  • Ignition - Spark Plug Application & Gap
  • A/C Compressor - Loading in Defrost Mode
  • Rocker Arm Cover - Gasket & RTV Sealant Usage
  • Cooling - Radiator Repair/Replacement Guidelines
  • Vehicle - Idle Shake, Noise and Vibration Diagnosis
  • Engine - Detonation at Cruising Speed (40-55MPH)
  • Engine - Effects of Top Engine Cleaner On CAT Converter
  • Exhaust System - Booming Noise
  • Catalyst - Change Procedures For Dual Bed CAT
  • Engine - Installation of 75 mm Oil Filter
  • Engine - Miss, Hesitation, or Roughness
  • Exhaust System - Restriction Diagnosis
  • Engine Controls - Updated Rough/Unstable Idle Chart
  • Coolant - Information on Propylene Glycol Usage
  • Warranty - Recycled Engine Coolant Policy
  • Cooling System - Reconstituted Anti-Freeze
  • Warranty - Engine Coolant Substitute Caution
  • Oil Drain Plug Gasket - Revised Copper Gasket
  • Coolant Temperature Sensor - Sensor Kit
  • Engine - Install Gear Kit When Servicing Timing Gears
  • Engine - Revised Cam Gear Replacement Procedure
    • Overview
    • 6000 Model Service Procedure
    • Grand AM Model Service Procedure
    • Fiero Model Service Procedure
  • Fuel - Minimum Idle Speed Adjustment Warning
  • Cooling System - Coolant Recycling Information
  • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • Engine - Sealant Usage/Procedures
  • Engine/Fuel System - Oil/Fuel Additive Information
  • Cooling System, A/C - Aluminum Heater Cores/Radiators
  • 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.