Engine, Cooling and Exhaust: Technical Service Bulletins

• Customer Interest
  • Engine - Excessive Oil Consumption or Rough Idle Cold
  • Heater - Poor Performance
  • Engine - Miss/Poor Driveability
  • Engine - Oil Leaks Between Intake Manifold and Block
  • A/C - Compressor Bump Feel When Cycling
  • Exhaust System - Paint Peeling from Painted Muffler
  • Temperature Gauge - Reads Too High
  • Accessory Drive Belt - Excessive Wear on Inner Edge
  • Engine, A/T - Shift/Driveability Concerns/MIL ON
• By Symptom
  • Abnormal wear/deterioration
    • Exhaust System - Paint Peeling from Painted Muffler
    • Accessory Drive Belt - Excessive Wear on Inner Edge
  • Customer Interest
    • Engine - Excessive Oil Consumption or Rough Idle Cold
    • Heater - Poor Performance
    • Engine - Miss/Poor Driveability
    • Engine - Oil Leaks Between Intake Manifold and Block
    • A/C - Compressor Bump Feel When Cycling
    • Exhaust System - Paint Peeling from Painted Muffler
    • Temperature Gauge - Reads Too High
    • Accessory Drive Belt - Excessive Wear on Inner Edge
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • Driveability
    • Engine - Miss/Poor Driveability
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • Erratic Shifting
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • False instrument warning light/gauges
    • Temperature Gauge - Reads Too High
  • Leaks
    • Engine - Oil Leaks Between Intake Manifold and Block
  • Loose
    • Heater - Poor Performance
  • Noise
    • A/C - Compressor Bump Feel When Cycling
  • Overheating
    • Temperature Gauge - Reads Too High
  • Poor performance
    • Engine Controls - Manual Update Charts A-5, DTC 36 & 41
    • Heater - Poor Performance
• All Technical Service Bulletins
  • Vehicle - Engine And Sub Systems Flushing Info. (CANADA)
  • Vehicle - Engine And Sub-Systems Flushing Recommendations
  • Engine - Excessive Oil Consumption or Rough Idle Cold
  • Engine - Exchange Program Update
  • Engine - Exchange Program
  • Engine Mechanical - New Tool Application
  • 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 Controls - Manual Update Charts A-5, DTC 36 & 41
  • Heater - Poor Performance
  • Engine - Miss/Poor Driveability
  • Engine - Oil Leaks Between Intake Manifold and Block
  • Engine Oil Pan - Revised Service Procedure
  • Cooling Fan - Revised Electrical Circuit Diagnosis
  • Cooling - Radiator Repair/Replacement Guidelines
  • A/C - Compressor Bump Feel When Cycling
  • Exhaust System - Paint Peeling from Painted Muffler
  • Engine - Use of Wacker RTV Sealant for Intake Manifold
  • Parts - OE and Aftermarket Oil Filters Revised
  • DI System - Chart C-4 Revised
  • Temperature Gauge - Reads Too High
  • Coolant - Information on Propylene Glycol Usage
  • Warranty - Recycled Engine Coolant Policy
  • Engine Coolant - Information on Back Service
  • Accessory Drive Belt - Excessive Wear on Inner Edge
  • Engine - Serpentine Drive Belt Wear Information
  • 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.