Engine, Cooling and Exhaust: Technical Service Bulletins

• Recalls
  • Recall - Control Arm Attachment Defect
    • Overview
    • Condition, Dealer Action, Vehicles Involved, Dealer Material & Owner Notification
    • Campaign, Parts Service Procedure & Campaign Label Information
    • Parts Disposition, Warranty & Owner Letter Information
• Customer Interest
  • Cooling Fan - Diagnosis for Running Battery Dead
  • Engine - Oil Leak at Rear Main Seal
  • Engine Controls - Hesitation/Stored Codes 23, 25, 33, 34
  • Engine - Miss, Hesitation, or Roughness
  • Engine - Stall After Hot Restart/Cold Start
  • Engine - Stalls While Engaging A/T In Reverse or Drive
  • Engine - Diagnosing Intermittent Idle Speed Increases
  • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • Engine - Oil Leaks from Crankshaft Rear Main Seal
  • Engine - Oil Leaks From Front Crankshaft Seal
• By Symptom
  • Continuous fan operation
    • Cooling Fan - Diagnosis for Running Battery Dead
  • Customer Interest
    • Cooling Fan - Diagnosis for Running Battery Dead
    • Engine - Oil Leak at Rear Main Seal
    • Engine Controls - Hesitation/Stored Codes 23, 25, 33, 34
    • Engine - Miss, Hesitation, or Roughness
    • Engine - Stall After Hot Restart/Cold Start
    • Engine - Stalls While Engaging A/T In Reverse or Drive
    • Engine - Diagnosing Intermittent Idle Speed Increases
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
    • Engine - Oil Leaks from Crankshaft Rear Main Seal
    • Engine - Oil Leaks From Front Crankshaft Seal
  • Driveability
    • Engine Controls - Hesitation/Stored Codes 23, 25, 33, 34
    • Engine - Miss, Hesitation, or Roughness
    • Engine - Stall After Hot Restart/Cold Start
    • Engine - Diagnosing Intermittent Idle Speed Increases
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • Erratic Operation
    • Engine - Miss, Hesitation, or Roughness
    • Engine - Diagnosing Intermittent Idle Speed Increases
  • Erratic Shifting
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • Leaks
    • Engine - Oil Leak at Rear Main Seal
    • Engine - Oil Leaks from Crankshaft Rear Main Seal
    • Engine - Oil Leaks From Front Crankshaft Seal
  • Loose
    • Cooling Fan - Diagnosis for Running Battery Dead
  • Low, Dead battery
    • Cooling Fan - Diagnosis for Running Battery Dead
  • Recalls
    • Recall - Control Arm Attachment Defect
      • Overview
      • Condition, Dealer Action, Vehicles Involved, Dealer Material & Owner Notification
      • Campaign, Parts Service Procedure & Campaign Label Information
      • Parts Disposition, Warranty & Owner Letter Information
• All Technical Service Bulletins
  • Vehicle - Engine And Sub Systems Flushing Info. (CANADA)
  • Vehicle - Engine And Sub-Systems Flushing Recommendations
  • 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 Fan - Diagnosis for Running Battery Dead
  • Engine - Updated Intake & Exhaust Pushrod Identification
  • Cooling - Radiator Repair/Replacement Guidelines
  • Engine - Oil Leak at Rear Main Seal
  • Engine Controls - Hesitation/Stored Codes 23, 25, 33, 34
  • Oil Filter (75 mm) - Proper Installation
  • Engine - Recycling Used Oil Filters
  • Engine - Miss, Hesitation, or Roughness
  • Engine - Stall After Hot Restart/Cold Start
  • Cooling System - Reconstituted Antifreeze
  • Coolant - Information on Propylene Glycol Usage
  • Warranty - Recycled Engine Coolant Policy
  • Engine Coolant - Substitutes Not Recommended
  • Reconstituted Antifreeze - Coolant Testing
  • Engine - Stalls While Engaging A/T In Reverse or Drive
  • Recall - Control Arm Attachment Defect
    • Overview
    • Condition, Dealer Action, Vehicles Involved, Dealer Material & Owner Notification
    • Campaign, Parts Service Procedure & Campaign Label Information
    • Parts Disposition, Warranty & Owner Letter Information
  • Engine - Diagnosing Intermittent Idle Speed Increases
  • Engine - Base Idle RPM Adjustment
  • Cooling System - Coolant Recycling Information
  • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • Engine - Sealant Usage/Procedures
  • Engine - Oil Leaks from Crankshaft Rear Main Seal
  • Engine - Oil Leaks From Front Crankshaft Seal
  • 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.