Engine: Technical Service Bulletins

• Customer Interest
  • Engine - Oil Leaks from Crankshaft Rear Main Seal
  • Fuel System - Intermittant Hard Start
  • Engine - Push Rod Guide Plate Wear
  • Engine - Water Pump Seal Leaks
  • Fuel - Injector Wires Trapped Under Air Cleaner
  • Engine - Block Heater Leaks
  • Engine - Miss, Hesitation, or Roughness
  • Ignition - Misdiagnosis of the DIS System
  • Instruments - 'Check Gages' Light Flickers At Idle
  • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • Engine - Oil Leaks From Front Crankshaft Seal
• By Symptom
  • Customer Interest
    • Engine - Oil Leaks from Crankshaft Rear Main Seal
    • Fuel System - Intermittant Hard Start
    • Engine - Push Rod Guide Plate Wear
    • Engine - Water Pump Seal Leaks
    • Fuel - Injector Wires Trapped Under Air Cleaner
    • Engine - Block Heater Leaks
    • Engine - Miss, Hesitation, or Roughness
    • Ignition - Misdiagnosis of the DIS System
    • Instruments - 'Check Gages' Light Flickers At Idle
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
    • Engine - Oil Leaks From Front Crankshaft Seal
  • Driveability
    • Engine - Miss, Hesitation, or Roughness
    • Ignition - Misdiagnosis of the DIS System
    • 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
  • False instrument warning light/gauges
    • Instruments - 'Check Gages' Light Flickers At Idle
  • Leaks
    • Engine - Oil Leaks from Crankshaft Rear Main Seal
    • Engine - Water Pump Seal Leaks
    • Engine - Block Heater Leaks
    • Engine - Oil Leaks From Front Crankshaft Seal
  • Loose
    • Engine - Generator Belt Tension
  • Noise
    • Engine - Push Rod Guide Plate Wear
    • Oil Filters - Enhanced Anti-Drainback Valves
  • Starting problems
    • Fuel System - Intermittant Hard Start
    • Ignition - Misdiagnosis of the DIS System
  • Sticking/Binding
    • Fuel - Injector Wires Trapped Under Air Cleaner
• 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 - Oil Leaks from Crankshaft Rear Main Seal
  • 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
  • Fuel System - Intermittant Hard Start
  • Engine - Push Rod Guide Plate Wear
  • Engine - Updated Head Bolt Torquing Procedure
  • Engine - Water Pump Seal Leaks
  • Fuel - Injector Wires Trapped Under Air Cleaner
  • Engine - Generator Belt Tension
  • Oil Filters - Enhanced Anti-Drainback Valves
  • Engine - Block Heater Leaks
  • Engine - Miss, Hesitation, or Roughness
  • Ignition System - Diagnosis Precautions
  • Ignition - Misdiagnosis of the DIS System
  • Instruments - 'Check Gages' Light Flickers At Idle
  • Engine - Rough/Unstable/Incorrect Idle
  • Engine Controls - Idle Speed/Minumum Idle Air Rate Specs
  • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • Engine - Oil Leaks From Front Crankshaft Seal
  • 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.