Heating and Air Conditioning: Technical Service Bulletins

• Customer Interest
  • AC Ducts - Emit Odors
  • Low Heater Performance - Diagnosis/Repair
  • Air Conditioning Ducts - Emits Musty Odor
  • A/C - Does Not Cool/White Flakes Blowing From Ducts
  • Heater - Poor Performance
  • A/C Unit Changes to Defrost Mode When Accelerating
  • A/C System - Poor Cooling Performance
  • A/C, Heater - Temperature Lever Difficult to Move
  • Air Conditioning - Condensation Enters Vehicle
  • Left B Post Exhauster - Loose
• By Symptom
  • Customer Interest
    • AC Ducts - Emit Odors
    • Low Heater Performance - Diagnosis/Repair
    • Air Conditioning Ducts - Emits Musty Odor
    • A/C - Does Not Cool/White Flakes Blowing From Ducts
    • Heater - Poor Performance
    • A/C Unit Changes to Defrost Mode When Accelerating
    • A/C System - Poor Cooling Performance
    • A/C, Heater - Temperature Lever Difficult to Move
    • Air Conditioning - Condensation Enters Vehicle
    • Left B Post Exhauster - Loose
  • Erratic Operation
    • A/C Unit Changes to Defrost Mode When Accelerating
  • Loose
    • Left B Post Exhauster - Loose
  • Odors
    • AC Ducts - Emit Odors
    • Air Conditioning Ducts - Emits Musty Odor
  • Poor performance
    • Low Heater Performance - Diagnosis/Repair
    • A/C - Does Not Cool/White Flakes Blowing From Ducts
    • Heater - Poor Performance
    • A/C System - Poor Cooling Performance
  • Sticking/Binding
    • A/C, Heater - Temperature Lever Difficult to Move
• 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
  • AC Ducts - Emit Odors
  • Low Heater Performance - Diagnosis/Repair
  • A/C - Evaporator Freezes Up/Lack Of Cooling
  • Instrument Panel Vents - Emit White Flakes
  • Air Conditioning Ducts - Emits Musty Odor
  • A/C - Does Not Cool/White Flakes Blowing From Ducts
  • Heater - Poor Performance
  • A/C Unit Changes to Defrost Mode When Accelerating
  • A/C System - Poor Cooling Performance
  • Temperature Control Lever - Fails to Hold Position
  • A/C, Heater - Temperature Lever Difficult to Move
  • A/C Refrigerant - Substitutes and Compatibility
  • Air Conditioning - Condensation Enters Vehicle
  • Left B Post Exhauster - Loose