Heating and Air Conditioning: Technical Service Bulletins

• Recalls
  • Recall - Heater Core Bypass Valve
    • Overview
    • Dealer Notification & Vehicle List
    • Dial System Functions 53, 70 and VIP
    • Parts
    • Owner Notification and Service Scheduling
    • Service Procedure
      • A. Install Bypass Valve
      • B. Install Splash Shield (1988 Model Year Vehicles)
      • C. Install Splash Shield (1989 Model Year Vehicles)
      • D. Refill and Bleed Cooling
    • Completion Reporting and Reimbursement
    • Parts Return and Vehicle Not Available
    • Dealer Instructions
    • Owner Letter
• Customer Interest
  • Heater A/C Blower Motor - Inoperative
  • A/C, Heater Blower Motor - Intermittent Operation
    • Overview
    • Parts Required
    • Repair Procedure
• By Symptom
  • Customer Interest
    • Heater A/C Blower Motor - Inoperative
    • A/C, Heater Blower Motor - Intermittent Operation
      • Overview
      • Parts Required
      • Repair Procedure
  • Erratic Operation
    • A/C, Heater Blower Motor - Intermittent Operation
      • Overview
      • Parts Required
      • Repair Procedure
  • False instrument warning light/gauges
    • A/C, Heater Blower Motor - Intermittent Operation
      • Overview
      • Parts Required
      • Repair Procedure
  • Inoperative
    • Heater A/C Blower Motor - Inoperative
  • Recalls
    • Recall - Heater Core Bypass Valve
      • Overview
      • Dealer Notification & Vehicle List
      • Dial System Functions 53, 70 and VIP
      • Parts
      • Owner Notification and Service Scheduling
      • Service Procedure
        • A. Install Bypass Valve
        • B. Install Splash Shield (1988 Model Year Vehicles)
        • C. Install Splash Shield (1989 Model Year Vehicles)
        • D. Refill and Bleed Cooling
      • Completion Reporting and Reimbursement
      • Parts Return and Vehicle Not Available
      • Dealer Instructions
      • Owner Letter
• All Technical Service Bulletins
  • Electronic Climate Control - Service Procedures
    • Overview
    • General Information
    • Preliminary Diagnosis
    • Air Conditioning Control Electrical Checks:
    • Heater A/C Control Panel Removal and Installation
      • Overview
      • Instrument Panel Removal
      • Dashboard Installation
    • Heater A/C Control Motor Removal and Installation
  • Heater A/C Blower Motor - Inoperative
  • Recall - Heater Core Bypass Valve
    • Overview
    • Dealer Notification & Vehicle List
    • Dial System Functions 53, 70 and VIP
    • Parts
    • Owner Notification and Service Scheduling
    • Service Procedure
      • A. Install Bypass Valve
      • B. Install Splash Shield (1988 Model Year Vehicles)
      • C. Install Splash Shield (1989 Model Year Vehicles)
      • D. Refill and Bleed Cooling
    • Completion Reporting and Reimbursement
    • Parts Return and Vehicle Not Available
    • Dealer Instructions
    • Owner Letter
  • A/C, Heater Blower Motor - Intermittent Operation
    • Overview
    • Parts Required
    • Repair Procedure
  • A/C Refrigerant - Substitutes and Compatibility