Engine: Technical Service Bulletins

• Recalls
  • Campaign - Serpentine Belt Tensioner Replacement
    • Overview
    • Vehicles Involved, Owner Notification, Campaign Responsibility & Parts Information
    • Service Procedure, Campaign Label, Claim & Owner Letter Information
• Customer Interest
  • Engine - Valve Train Noise/Miss/Rough Idle
  • Engine - Rumble/Squealing Noise at or Just Above Idle
  • Intake Manifold - Throttle Sensitive Induction Whistle
  • Engine - Cold Stall/Cold Performance and Code 44
  • Engine - Intermittent No Start Condition
  • PROM - Hard Hot Restart/High Idle/Spark Knock/Code 42
  • Engine - Stalls/Sags/Hesitations/Idle Shake
  • Engine - Excessive Induction Noise
  • Oil Filters (Small 75 mm) - Leakage Prevention
  • Engine - Miss, Hesitation, or Roughness
  • A/T - Engine Stalls When Placed Into Gear
  • Engine - Coolant Loss
    • Overview
    • Application Table
  • Engine, A/T - Shift/Driveability Concerns/MIL ON
• By Symptom
  • Abnormal wear/deterioration
    • Engine - Valve Train Noise/Miss/Rough Idle
    • Engine - Coolant Loss
      • Overview
      • Application Table
  • Customer Interest
    • Engine - Valve Train Noise/Miss/Rough Idle
    • Engine - Rumble/Squealing Noise at or Just Above Idle
    • Intake Manifold - Throttle Sensitive Induction Whistle
    • Engine - Cold Stall/Cold Performance and Code 44
    • Engine - Intermittent No Start Condition
    • PROM - Hard Hot Restart/High Idle/Spark Knock/Code 42
    • Engine - Stalls/Sags/Hesitations/Idle Shake
    • Engine - Excessive Induction Noise
    • Oil Filters (Small 75 mm) - Leakage Prevention
    • Engine - Miss, Hesitation, or Roughness
    • A/T - Engine Stalls When Placed Into Gear
    • Engine - Coolant Loss
      • Overview
      • Application Table
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • Driveability
    • Engine - Valve Train Noise/Miss/Rough Idle
    • Engine - Cold Stall/Cold Performance and Code 44
    • PROM - Hard Hot Restart/High Idle/Spark Knock/Code 42
    • Engine - Stalls/Sags/Hesitations/Idle Shake
    • Engine - Miss, Hesitation, or Roughness
    • Engine - Rough/Unstable/Incorrect Idle
    • 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
  • Leaks
    • Oil Filters (Small 75 mm) - Leakage Prevention
    • Engine - Coolant Loss
      • Overview
      • Application Table
  • Noise
    • Engine - Rumble/Squealing Noise at or Just Above Idle
    • Intake Manifold - Throttle Sensitive Induction Whistle
    • Engine - Excessive Induction Noise
  • Recalls
    • Campaign - Serpentine Belt Tensioner Replacement
      • Overview
      • Vehicles Involved, Owner Notification, Campaign Responsibility & Parts Information
      • Service Procedure, Campaign Label, Claim & Owner Letter Information
  • Starting problems
    • Engine - Intermittent No Start Condition
• All Technical Service Bulletins
  • Vehicle - Engine And Sub Systems Flushing Info. (CANADA)
  • Vehicle - Engine And Sub-Systems Flushing Recommendations
  • Engine - Intake Manifold Inspection/Replacement
  • Engine - Use of 'Surface Conditioning Disks'
  • Engine - Drive Belt Misalignment Diagnostics
  • Engine - Noise/Damage Oil Filter Application Importance
  • Engine - Sealant Usage/Procedures
  • Engine - AC Delco Remanufactured Engines
    • Overview
    • Warranty Coverage
    • New Warranty Registration
    • Warranty Claim Submission Requirements
    • Claim Submission Details
  • Engine - Surface Conditioning Discs Precautions
  • Engines - ACDelco Remanufactured
    • Overview
    • Warranty Coverage
    • Warranty Claim Submission Procedures
  • Engine - Analysis of Internal Sludge
  • Engien - Manual Revision Valve Stem Clearance
  • Engine - Service Replacement Crankshafts
  • Engine - Camshaft Lobe Lift
  • Engine - Valve Train Noise/Miss/Rough Idle
  • Drive Belt Tensioner - Clicking/Rumbling Noise
  • Engine - Rumble/Squealing Noise at or Just Above Idle
  • Campaign - Serpentine Belt Tensioner Replacement
    • Overview
    • Vehicles Involved, Owner Notification, Campaign Responsibility & Parts Information
    • Service Procedure, Campaign Label, Claim & Owner Letter Information
  • Intake Manifold - Throttle Sensitive Induction Whistle
  • Engine - Cold Stall/Cold Performance and Code 44
  • Engine - Intermittent No Start Condition
  • PROM - Hard Hot Restart/High Idle/Spark Knock/Code 42
  • Engine - Stalls/Sags/Hesitations/Idle Shake
  • Engine - Excessive Induction Noise
  • Oil Filters (Small 75 mm) - Leakage Prevention
  • Engine - Miss, Hesitation, or Roughness
  • Ignition System - Diagnosis Precautions
  • Engine - Rocker Arm Cover Gasket Use
  • A/T - Engine Stalls When Placed Into Gear
  • Engine - Rough/Unstable/Incorrect Idle
  • Camshaft/Crankshaft - Revised Servicing Parts
  • Engine - Camshaft/Crankshaft Gear Modifications
  • Engine - Cam Gear Replacement w/o Engine Removal
    • Overview
    • Remove or Disconnect
    • Install or Connect
  • Engine - Coolant Loss
    • Overview
    • Application Table
  • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • Engine/Fuel System - Oil/Fuel Additive Information
  • Engine - GM Dexos 1(R) And 2(R) Oil Specifications
  • Engine - GM dexos 1(R) and dexos 2(R) Oil Specifications/Info.