Engine, Cooling and Exhaust: Technical Service Bulletins

• Customer Interest
  • Engine - Diagnosing Vibration
  • Engine - Detecting Signs of Internal Loss of Coolant
  • Cooling System - Leaks
  • Intake Air Duct - Reduced Engine Performance
  • Engine - Overheats When Towing
  • Engine - Rough/Surges/Misfires/Code 43
  • Engine Controls - New PROM (Driveability/False Lights)
  • Engine - Drivability/False Trouble Codes
  • Engine - Block Heater Leaks
  • Engine - Miss, Hesitation, or Roughness
  • Engine, A/T - Shift/Driveability Concerns/MIL ON
• By Symptom
  • Abnormal wear/deterioration
    • Engine - Tailpipe Smoke When Starting
  • Customer Interest
    • Engine - Diagnosing Vibration
    • Engine - Detecting Signs of Internal Loss of Coolant
    • Cooling System - Leaks
    • Intake Air Duct - Reduced Engine Performance
    • Engine - Overheats When Towing
    • Engine - Rough/Surges/Misfires/Code 43
    • Engine Controls - New PROM (Driveability/False Lights)
    • Engine - Drivability/False Trouble Codes
    • Engine - Block Heater Leaks
    • Engine - Miss, Hesitation, or Roughness
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • Driveability
    • Intake Air Duct - Reduced Engine Performance
    • Engine - Rough/Surges/Misfires/Code 43
    • Engine Controls - New PROM (Driveability/False Lights)
    • 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
  • False instrument warning light/gauges
    • Engine Controls - New PROM (Driveability/False Lights)
  • Leaks
    • Engine - Detecting Signs of Internal Loss of Coolant
    • Cooling System - Leaks
    • Engine - Block Heater Leaks
    • Engine - Improved Head Gasket
  • Loose
    • Engine - Generator Belt Tension
  • Noise
    • Oil Filters - Enhanced Anti-Drainback Valves
  • Overheating
    • Engine - Detecting Signs of Internal Loss of Coolant
    • Engine - Overheats When Towing
  • Smoke, Fumes
    • Engine - Tailpipe Smoke When Starting
  • Vibration
    • Engine - Diagnosing Vibration
• All Technical Service Bulletins
  • Vehicle - Engine And Sub Systems Flushing Info. (CANADA)
  • Vehicle - Engine And Sub-Systems Flushing Recommendations
  • Engine - Diagnosing Vibration
  • Engine - Tailpipe Smoke When Starting
  • 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 - Detecting Signs of Internal Loss of Coolant
  • Cooling System - Factory Use of Stop Leak
  • Engine Coolant - Testing Information
  • Cooling System - Leaks
  • Engine - Overheat Diagnosis
    • Overview
    • Water Pump By-Pass
    • Electric Fan Information
    • Radiator Information
    • A/C, Thermostat, Hose, & Coolant Information
    • Belts, Water Pump, & Fan Shroud Information
    • Support, Baffles, & Deflectors Information
  • Ignition System - Spark Plug Usage Change
  • Intake Air Duct - Reduced Engine Performance
  • Cooling - Radiator Repair/Replacement Guidelines
  • Engine - Overheats When Towing
  • Engine - Generator Belt Tension
  • Engine - Rough/Surges/Misfires/Code 43
  • Engine Controls - New PROM (Driveability/False Lights)
  • Engine - Drivability/False Trouble Codes
  • Oil Filters - Enhanced Anti-Drainback Valves
  • Engine - Block Heater Leaks
  • Engine - Miss, Hesitation, or Roughness
  • Cooling - New Style Hose Clamp
  • Cooling - New Style Hose Clamp
  • Engine - Improved Head Gasket
  • Cooling System - Antifreeze Recycling
  • Coolant - Recycling Update
  • Coolant - Information on Propylene Glycol Usage
  • Warranty - Recycled Engine Coolant Policy
  • Coolant - Usage/Specifications
  • Engine Coolant - Recycling
  • Intake Manifold Gasket - Correct Installation
  • Intake Manifold Gasket - Installation
  • Engine Controls - Idle Speed/Minumum Idle Air Rate Specs
  • 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.