Heating and Air Conditioning: Technical Service Bulletins

• Recalls
  • Recall - Heater Blower Motor Resistor
  • Recall 91V004000: Resistor Block Terminal Corrosion
• Customer Interest
  • Air Conditioning - Growling/Groaning Noise
    • Overview
    • Repair Procedure "AC" & "AY" Bodies Only
    • Repair Procedure "AC", "AY", & "As" Bodies
    • Tips, Capacities & Labor Allowance
  • A/C, Heater Check Valve - Freeze-Up
• By Symptom
  • Customer Interest
    • Air Conditioning - Growling/Groaning Noise
      • Overview
      • Repair Procedure "AC" & "AY" Bodies Only
      • Repair Procedure "AC", "AY", & "As" Bodies
      • Tips, Capacities & Labor Allowance
    • A/C, Heater Check Valve - Freeze-Up
  • Noise
    • Air Conditioning - Growling/Groaning Noise
      • Overview
      • Repair Procedure "AC" & "AY" Bodies Only
      • Repair Procedure "AC", "AY", & "As" Bodies
      • Tips, Capacities & Labor Allowance
  • Overheating
    • Recall 91V004000: Resistor Block Terminal Corrosion
  • Recalls
    • Recall - Heater Blower Motor Resistor
    • Recall 91V004000: Resistor Block Terminal Corrosion
  • Sticking/Binding
    • A/C, Heater Check Valve - Freeze-Up
• All Technical Service Bulletins
  • A/C - System Sealer Usage Prohibition
  • A/C - R-12 to R-134a Conversion Procedure
    • Overview
    • Introduction and Models Applicable
    • Procedures
      • A. Initial System Operation and Preparation
      • B. Conversion Procedure
      • C. Performance Test Procedure
    • R-134A Adaptation Component Chart
      • Passenger Cars
      • Minivans
      • Trucks
      • Jeeps
  • Air Conditioning - Growling/Groaning Noise
    • Overview
    • Repair Procedure "AC" & "AY" Bodies Only
    • Repair Procedure "AC", "AY", & "As" Bodies
    • Tips, Capacities & Labor Allowance
  • A/C - Evaporator Freezes Up/Lack Of Cooling
  • Recall - Heater Blower Motor Resistor
  • Recall 91V004000: Resistor Block Terminal Corrosion
  • A/C, Heater Check Valve - Freeze-Up
  • A/C Refrigerant - Substitutes and Compatibility