Majestic L6-4.0L (1990): Heating and Air Conditioning

Also for this vehicle: Majestic L6-3.6L (1989).

Choose Sections to see everything in a chapter, or a chapter title to start at its first page.

1. 01Relays and ModulesRelays and Modules: Sections
2. 02Sensors and SwitchesSensors and Switches: Sections
3. 03MaintenanceMaintenance: Sections
4. 04Engine, Cooling and ExhaustEngine, Cooling and Exhaust: Sections
5. 05Powertrain ManagementPowertrain Management: Sections
6. 06Transmission and DrivetrainTransmission and Drivetrain: Sections
7. 07Brakes and Traction ControlBrakes and Traction Control: Sections
8. 08Starting and ChargingStarting and Charging: Sections
9. 09Power and Ground DistributionPower and Ground Distribution: Sections
10. 10Steering and SuspensionSteering and Suspension: Sections
11. 11Heating and Air ConditioningHeating and Air Conditioning: Sections
    • Air Door, HVAC9 pages

      • Air Door Actuator / Motor, HVAC › Component Information › Service and Repair › Demist Flap Actuator234
      • Air Door Position Sensor / Switch, HVAC › Component Information › Service and Repair › Upper Feedback Potentiometer2
      • Air Door Vacuum Solenoid Valve, HVAC › Component Information › Service and Repair › Recirculation/Fresh Air Vacuum Solenoid23
    • Air Duct › Component Information › Technical Service Bulletins › A/C Defrost Flap - Interference Distortion of Duct
    • Air Register › Component Information › Technical Service Bulletins › A/C Defrost Flap - Interference Distortion of Duct
    • Ambient Temperature Sensor / Switch HVAC › Component Information5 pages

      • Technical Service Bulletins › A/C - Switch Revised
      • Diagrams › Diagram Information and Instructions234
    • Aspirator, HVAC › Component Information › Technical Service Bulletins › Climate Control System Instability
    • Blower Motor › Component Information8 pages

      • Technical Service Bulletins2 pages

        • All Technical Service Bulletins for Blower Motor: › 8231 › Jun › 92 › A/C Blower Motor - Noisy
        • Customer Interest for Blower Motor: › 8231 › Jun › 92 › A/C Blower Motor - Noisy
      • Diagrams › Diagram Information and Instructions234
      • Service and Repair › Blower Assembly - Driver Side2
    • Blower Motor Relay › Component Information7 pages

      • Diagrams › Diagram Information and Instructions234
      • Service and Repair › Blower Motor Isolation Relay, Left Side23
    • Cabin Temperature Sensor / Switch › Component Information5 pages

      • Technical Service Bulletins › A/C Sensor - Revised Design
      • Diagrams › Diagram Information and Instructions234
    • Compressor HVAC13 pages

      • Compressor Clutch › Component Information12 pages

        • Specifications
        • Diagrams › Diagram Information and Instructions234
        • Service and Repair › Clutch234567
      • Compressor Shaft Seal › Component Information › Technical Service Bulletins › Tool - A/C Compressor Seal Remove/Replace
    • Compressor Clutch Relay › Component Information5 pages

      • Locations
      • Diagrams › Diagram Information and Instructions234
    • Condenser HVAC › Component Information › Technical Service Bulletins › A/C Condenser - Revised
    • Control Assembly, HVAC › Component Information28 pages

      • Technical Service Bulletins22 pages

        • All Technical Service Bulletins for Control Assembly:11 pages

          • 8238 › Jul › 95 › Climate Control Panel Assembly - Vibrations2345
          • 86101 › Oct › 91 › A/C Control Panel - Intermittently Inoperative
          • 8223 › Jun › 91 › AC Control Panel - Diagnostic Procedure234
          • 8222 › Feb › 91 › A/C Control Panel - Malfunctions
        • Customer Interest:6 pages

          • 8238 › Jul › 95 › Climate Control Panel Assembly - Vibrations2345
          • 8222 › Feb › 91 › A/C Control Panel - Malfunctions
        • All Other Service Bulletins for Control Assembly:5 pages

          • 86101 › Oct › 91 › A/C Control Panel - Intermittently Inoperative
          • 8223 › Jun › 91 › AC Control Panel - Diagnostic Procedure234
      • Diagrams › Diagram Information and Instructions234
      • Service and Repair › Climate Control Panel2
    • Control Module HVAC › Component Information10 pages

      • Technical Service Bulletins6 pages

        • All Technical Service Bulletins for Control Module HVAC:3 pages

          • 8228 › Apr › 92 › A/C ECU, Water Temp Switch - Matched Pairs ID
          • 8222 › Feb › 91 › A/C Control Panel - Malfunctions
          • 8671 › Apr › 90 › A/C - Switch Revised
        • Customer Interest: › 8222 › Feb › 91 › A/C Control Panel - Malfunctions
        • All Other Service Bulletins for Control Module HVAC:2 pages

          • 8228 › Apr › 92 › A/C ECU, Water Temp Switch - Matched Pairs ID
          • 8671 › Apr › 90 › A/C - Switch Revised
      • Diagrams › Diagram Information and Instructions234
    • Coolant Temperature Sensor / Switch HVAC › Component Information6 pages

      • Technical Service Bulletins › A/C ECU, Water Temp Switch - Matched Pairs ID2
      • Diagrams › Diagram Information and Instructions234
    • Evaporator Case › Component Information › Technical Service Bulletins › A/C Condensate Drains - Blocked23
    • Evaporator Core › Component Information › Description and Operation23
    • Evaporator Drain Tube › Component Information › Technical Service Bulletins › Tool - A/C Drain Holes
    • Evaporator Temperature Sensor / Switch › Component Information › Diagrams › Diagram Information and Instructions234
    • Expansion Valve › Component Information › Specifications23
    • Heater Control Valve › Component Information › Service and Repair › Water Control Valve2
    • Heater Core › Component Information › Service and Repair
    • Heater Core Temperature Sensor / Switch › Component Information › Technical Service Bulletins › A/C ECU, Water Temp Switch - Matched Pairs ID
    • Hose/Line HVAC › Component Information6 pages

      • Specifications › A/C Liquid Hose/Line23
      • Service and Repair › Compressor Inlet to Expansion Valve23
    • Housing Assembly HVAC › Component Information › Service and Repair2
    • Muffler HVAC › Component Information › Specifications2
    • Receiver Dryer › Component Information › Technical Service Bulletins › A/C Receiver Dryer - Service Precautions
    • Refrigerant › Component Information3 pages

      • Technical Service Bulletins › Tool - Freon Recovery System
      • Specifications › Capacity Specifications2
    • Refrigerant Oil › Component Information › Specifications › Capacity Specifications2
    • Relays and Modules - HVAC22 pages

      • Blower Motor Relay › Component Information7 pages

        • Diagrams › Diagram Information and Instructions234
        • Service and Repair › Blower Motor Isolation Relay, Left Side23
      • Compressor Clutch Relay › Component Information5 pages

        • Locations
        • Diagrams › Diagram Information and Instructions234
      • Control Module HVAC › Component Information10 pages

        • Technical Service Bulletins6 pages

          • All Technical Service Bulletins for Control Module HVAC:3 pages

            • 8228 › Apr › 92 › A/C ECU, Water Temp Switch - Matched Pairs ID
            • 8222 › Feb › 91 › A/C Control Panel - Malfunctions
            • 8671 › Apr › 90 › A/C - Switch Revised
          • Customer Interest: › 8222 › Feb › 91 › A/C Control Panel - Malfunctions
          • All Other Service Bulletins for Control Module HVAC:2 pages

            • 8228 › Apr › 92 › A/C ECU, Water Temp Switch - Matched Pairs ID
            • 8671 › Apr › 90 › A/C - Switch Revised
        • Diagrams › Diagram Information and Instructions234
    • Sensors and Switches - HVAC31 pages

      • Air Door Position Sensor / Switch, HVAC › Component Information › Service and Repair › Upper Feedback Potentiometer2
      • Ambient Temperature Sensor / Switch HVAC › Component Information5 pages

        • Technical Service Bulletins › A/C - Switch Revised
        • Diagrams › Diagram Information and Instructions234
      • Cabin Temperature Sensor / Switch › Component Information5 pages

        • Technical Service Bulletins › A/C Sensor - Revised Design
        • Diagrams › Diagram Information and Instructions234
      • Coolant Temperature Sensor / Switch HVAC › Component Information6 pages

        • Technical Service Bulletins › A/C ECU, Water Temp Switch - Matched Pairs ID2
        • Diagrams › Diagram Information and Instructions234
      • Evaporator Temperature Sensor / Switch › Component Information › Diagrams › Diagram Information and Instructions234
      • Heater Core Temperature Sensor / Switch › Component Information › Technical Service Bulletins › A/C ECU, Water Temp Switch - Matched Pairs ID
      • Solar Sensor, HVAC › Component Information › Diagrams › Diagram Information and Instructions234
      • Superheat Switch, HVAC › Component Information › Specifications234
    • Service Port HVAC › Component Information › Locations2
    • Sight Glass, HVAC › Component Information › Description and Operation
    • Solar Sensor, HVAC › Component Information › Diagrams › Diagram Information and Instructions234
    • Superheat Switch, HVAC › Component Information › Specifications234
    • Thermal Limiting Fuse › Component Information › Specifications2
12. 12Restraint SystemsRestraint Systems: Sections
13. 13Accessories and Optional EquipmentAccessories and Optional Equipment: Sections
14. 14Body and FrameBody and Frame: Sections
15. 15Cruise ControlCruise Control: Sections
16. 16Instrument Panel, Gauges and Warning IndicatorsInstrument Panel, Gauges and Warning Indicators: Sections
17. 17Lighting and HornsLighting and Horns: Sections
18. 18Windows and GlassWindows and Glass: Sections
19. 19Wiper and Washer SystemsWiper and Washer Systems: Sections