Engine, Cooling and Exhaust: Technical Service Bulletins

• Customer Interest
  • Engine - Exhaust Smoke After Extended Idle
  • Air Conditioning - Moan and Vibration
  • Cylinder Head - Coolant Loss
  • Engine - Miss, Hesitation, or Roughness
  • Engine - Timing Gear Noise (Knock)
  • Engine, A/T - Shift/Driveability Concerns/MIL ON
• By Symptom
  • Abnormal wear/deterioration
    • Camshaft/Crankshaft Gears - Servicing Revised Gear Set
  • Customer Interest
    • Engine - Exhaust Smoke After Extended Idle
    • Air Conditioning - Moan and Vibration
    • Cylinder Head - Coolant Loss
    • Engine - Miss, Hesitation, or Roughness
    • Engine - Timing Gear Noise (Knock)
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • Driveability
    • 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
  • High emissions
    • Emissions - Effects of Top Engine Cleaner on Converter
  • Leaks
    • Cylinder Head - Coolant Loss
  • Noise
    • Air Conditioning - Moan and Vibration
    • Engine - Timing Gear Noise (Knock)
  • Smoke, Fumes
    • Engine - Exhaust Smoke After Extended Idle
  • Vibration
    • Air Conditioning - Moan and Vibration
• All Technical Service Bulletins
  • Vehicle - Engine And Sub Systems Flushing Info. (CANADA)
  • Vehicle - Engine And Sub-Systems Flushing Recommendations
  • Vehicle - Fluid Leak Detection/Dyes
  • Engine - Exhaust Smoke After Extended Idle
  • Rocker Arm Covers - Removal Tools
  • 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
  • Cooling System - Antifreeze Concentration and Effects
  • Air Conditioning - Moan and Vibration
  • Crankshaft - Replacement Availability
  • Engine - Camshaft Lobe Lift
  • Push Rod Covers - Removal Method
  • Cylinder Head - Coolant Loss
  • Cylinder Head - New Bolt Tightening Procedure
  • Cylinder Head Bolt - Revised Tightening Procedure
  • Rocker Cover - Gasket & RTV Sealer Usage
  • Cooling - Radiator Repair/Replacement Guidelines
  • Exhaust - Intermediate Pipe Replacement
  • Emissions - Effects of Top Engine Cleaner on Converter
  • Oil Filter (75 mm) - Proper Installation
  • Engine - Recycling Used Oil Filters
  • Engine - Miss, Hesitation, or Roughness
  • Cooling System - Reconstituted Antifreeze
  • Coolant - Information on Propylene Glycol Usage
  • Warranty - Recycled Engine Coolant Policy
  • Engine Coolant - Substitutes Not Recommended
  • Reconstituted Antifreeze - Coolant Testing
  • Camshaft/Crankshaft Gears - Servicing Revised Gear Set
  • Engine - Timing Gear Noise (Knock)
  • Engine - Revised Cam Gear Replacement Procedure
    • Overview
    • A Car Service Procedure
    • N-Car Service Procedure
  • 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.