Engine, Cooling and Exhaust: Technical Service Bulletins

• Customer Interest
  • Engine - Tick or Rattle Noise After Cold Start Up
  • Fuel - Pump Noise/Whine, Cold Start Stall, Driveability
  • Exhaust Pipe - Knocking Noise
  • Engine - Cold Start Stall/Chuggle At 35-45 MPH
  • Engine - Miss, Hesitation, or Roughness
  • Engine - Miss, Hesitation, or Roughness
  • Engine, A/T - Shift/Driveability Concerns/MIL ON
• By Symptom
  • Customer Interest
    • Engine - Tick or Rattle Noise After Cold Start Up
    • Fuel - Pump Noise/Whine, Cold Start Stall, Driveability
    • Exhaust Pipe - Knocking Noise
    • Engine - Cold Start Stall/Chuggle At 35-45 MPH
    • Engine - Miss, Hesitation, or Roughness
    • Engine - Miss, Hesitation, or Roughness
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • Driveability
    • Fuel - Momentary Loss of Power Hesitation On Turns
    • Fuel - Pump Noise/Whine, Cold Start Stall, Driveability
    • Engine - Cold Start Stall/Chuggle At 35-45 MPH
    • Engine - Miss, Hesitation, or Roughness
    • Engine - Miss, Hesitation, or Roughness
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • Erratic Operation
    • 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
  • Leaks
    • Engine - Oil Leak At Rear Main Bearing Cap Side Seal
  • Noise
    • Engine - Tick or Rattle Noise After Cold Start Up
    • Fuel - Pump Noise/Whine, Cold Start Stall, Driveability
    • Exhaust Pipe - Knocking Noise
  • Poor performance
    • Fuel - Momentary Loss of Power Hesitation On Turns
• All Technical Service Bulletins
  • Vehicle - Engine And Sub Systems Flushing Info. (CANADA)
  • Vehicle - Engine And Sub-Systems Flushing Recommendations
  • Engine - Oil Economy Information
  • Engine - Tick or Rattle Noise After Cold Start Up
  • Fuel - Momentary Loss of Power Hesitation On Turns
  • 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
  • Fuel - Pump Noise/Whine, Cold Start Stall, Driveability
  • Spark Plug - New Design
  • Piston Specifications - Revised
    • Overview
    • 1988 - 1992 (LN3 and L27) Piston Specifications
    • 1993 - 1994 (L27) Piston Specifications
    • 1992 - 1993 (L67) Piston Specifications
    • 1994 (L67) Piston Specifications
  • Cooling - Radiator Repair/Replacement Guidelines
  • Engine - Oil Leak At Rear Main Bearing Cap Side Seal
  • Balance Shaft - Special Tools and Procedure Revision
  • Exhaust Pipe - Knocking Noise
  • Engine - Cold Start Stall/Chuggle At 35-45 MPH
  • Engine Rear Main Cap - Installation Procedure
  • Crankshaft/Connecting Rod - Manual Update
  • Engine - Miss, Hesitation, or Roughness
  • Engine - Miss, Hesitation, or Roughness
  • Coolant - Information on Propylene Glycol Usage
  • Engine - New Valve Spring and Cap
  • 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.