Engine, Cooling and Exhaust: Technical Service Bulletins

• Customer Interest
  • Engine - Diagnosing Knock Noise In Front Of Engine
  • Heater - Slow Warm Up/Inadequate Performance at Idle
  • ECM - Driveability, Water Contamination In ECM Connector
  • Fuel - Pump Noise/Whine, Cold Start Stall, Driveability
  • Exhaust - Noise From Exhaust Seal & Front Exhaust Pipe
  • Engine/Transaxle - Excessive Engine Roll
  • Engine - Miss, Hesitation, or Roughness
  • Engine - Miss, Hesitation, or Roughness
  • Engine - Shudder/Vibration From A Standing Start
  • Engine - Undetectable Cause of Loss of Coolant
  • A/T - Grunt/Squeak Shifting From Park to Reverse/Shift
  • Engine - Rattle From Front Mount
  • Engine - Thump or Knock Noise At or Just Off Idle
  • Engine, A/T - Shift/Driveability Concerns/MIL ON
• By Symptom
  • Abnormal wear/deterioration
    • ECM - Driveability, Water Contamination In ECM Connector
  • Customer Interest
    • Engine - Diagnosing Knock Noise In Front Of Engine
    • Heater - Slow Warm Up/Inadequate Performance at Idle
    • ECM - Driveability, Water Contamination In ECM Connector
    • Fuel - Pump Noise/Whine, Cold Start Stall, Driveability
    • Exhaust - Noise From Exhaust Seal & Front Exhaust Pipe
    • Engine/Transaxle - Excessive Engine Roll
    • Engine - Miss, Hesitation, or Roughness
    • Engine - Miss, Hesitation, or Roughness
    • Engine - Shudder/Vibration From A Standing Start
    • Engine - Undetectable Cause of Loss of Coolant
    • A/T - Grunt/Squeak Shifting From Park to Reverse/Shift
    • Engine - Rattle From Front Mount
    • Engine - Thump or Knock Noise At or Just Off Idle
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • Driveability
    • ECM - Driveability, Water Contamination In ECM Connector
    • Fuel - Pump Noise/Whine, Cold Start Stall, Driveability
    • Engine - Miss, Hesitation, or Roughness
    • Engine - Miss, Hesitation, or Roughness
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • Erratic Operation
    • Heater - Slow Warm Up/Inadequate Performance at Idle
    • Engine - Miss, Hesitation, or Roughness
    • Engine - Miss, Hesitation, or Roughness
  • Erratic Shifting
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • False instrument warning light/gauges
    • Fuel - Pump Noise/Whine, Cold Start Stall, Driveability
  • Inoperative
    • Heater - Slow Warm Up/Inadequate Performance at Idle
  • Leaks
    • ECM - Driveability, Water Contamination In ECM Connector
    • Engine - Exhaust Noise, Coolant Leak or Vibration
    • Exhaust - Noise From Exhaust Seal & Front Exhaust Pipe
    • Engine - Undetectable Cause of Loss of Coolant
  • Loose
    • Engine/Transaxle - Excessive Engine Roll
  • Noise
    • Engine - Diagnosing Knock Noise In Front Of Engine
    • A/T - Grunt/Squeak Shifting from Park to Reverse/Drive
    • Engine - Knock Noise Replace Right Front Splash Shield
    • Engine - Exhaust Noise, Coolant Leak or Vibration
    • Fuel - Pump Noise/Whine, Cold Start Stall, Driveability
    • Exhaust - Noise From Exhaust Seal & Front Exhaust Pipe
    • Exhaust - Moan Noise
    • A/T - Grunt/Squeak Shifting From Park to Reverse/Shift
    • Engine - Rattle From Front Mount
    • Engine - Thump or Knock Noise At or Just Off Idle
  • Vibration
    • Engine - Exhaust Noise, Coolant Leak or Vibration
    • Engine/Transaxle - Excessive Engine Roll
    • Engine - Shudder/Vibration From A Standing Start
• All Technical Service Bulletins
  • Vehicle - Engine And Sub Systems Flushing Info. (CANADA)
  • Vehicle - Engine And Sub-Systems Flushing Recommendations
  • Engine - Diagnosing Knock Noise In Front Of Engine
  • A/T - Grunt/Squeak Shifting from Park to Reverse/Drive
  • Heater - Slow Warm Up/Inadequate Performance at Idle
  • Tools - Engine and Transmission Support Adapter
  • Engine - Information On New Support Adapter
  • Engine - Knock Noise Replace Right Front Splash Shield
  • Oil Filter Drip Shield - Revised
  • 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
  • ECM - Driveability, Water Contamination In ECM Connector
  • Engine - Exhaust Noise, Coolant Leak or Vibration
  • Fuel - Pump Noise/Whine, Cold Start Stall, Driveability
  • Cooling - Radiator Repair/Replacement Guidelines
  • Exhaust - Noise From Exhaust Seal & Front Exhaust Pipe
  • Engine/Transaxle - Excessive Engine Roll
  • PCV - Mislabeled Block Heater is Crankcase Vent Heater
  • Engine - Miss, Hesitation, or Roughness
  • Engine - Miss, Hesitation, or Roughness
  • Engine - Shudder/Vibration From A Standing Start
  • Exhaust - Moan Noise
  • Coolant - Information on Propylene Glycol Usage
  • Warranty - Recycled Engine Coolant Policy
  • Engine - Undetectable Cause of Loss of Coolant
  • A/T - Grunt/Squeak Shifting From Park to Reverse/Shift
  • Engine - Rattle From Front Mount
  • Lower Engine Mount Strut - Revised Torque Specifications
  • Engine - Thump or Knock Noise At or Just Off Idle
  • Engine - New Prelube Tool
  • 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.