Heating and Air Conditioning: Technical Service Bulletins

• Customer Interest
  • A/C - Air Flow Won't Change To Dash Vents
  • A/C - Refrigerant Leak From Compressor Front Shaft Seal
  • Engine Controls - Poor Heater Output in Cold Weather
    • Overview
    • Repair Procedure
    • Reprogramming Procedure
    • ECM Reprogramming
• By Symptom
  • Customer Interest
    • A/C - Air Flow Won't Change To Dash Vents
    • A/C - Refrigerant Leak From Compressor Front Shaft Seal
    • Engine Controls - Poor Heater Output in Cold Weather
      • Overview
      • Repair Procedure
      • Reprogramming Procedure
      • ECM Reprogramming
  • Erratic Operation
    • A/C - Air Flow Won't Change To Dash Vents
  • Leaks
    • A/C - Refrigerant Leak From Compressor Front Shaft Seal
  • Poor performance
    • Engine Controls - Poor Heater Output in Cold Weather
      • Overview
      • Repair Procedure
      • Reprogramming Procedure
      • ECM Reprogramming
• All Technical Service Bulletins
  • A/C - Air Flow Won't Change To Dash Vents
  • A/C - Revised Air Door Motor Wiring Diagrams
  • A/C - Refrigerant Leak From Compressor Front Shaft Seal
  • A/C - High Pressure Relief Valve Service Addition
  • Engine Controls - Poor Heater Output in Cold Weather
    • Overview
    • Repair Procedure
    • Reprogramming Procedure
    • ECM Reprogramming
  • A/C - Revised Compressor Installation And Specifications