Grand AM L4-121 2.0L (1988): Heating and Air Conditioning

Also for this vehicle: Grand AM L4-138 2.3L DOHC VIN D MFI (1994), Grand AM L4-138 2.3L VIN A FI HP (1989), Grand AM L4-138 2.3L VIN A MFI (1992), Grand AM L4-144 2.4L DOHC VIN T SFI (1997), Grand AM L4-151 2.5L (1986), Grand AM V6-181 3.0L (1985), Grand AM V6-3.4L VIN E (2001), Grand AM V6-3100 3.1L MFI VIN M (1994), Grand AM V6-3100 3.1L VIN M SFI (1996), Grand AM V6-3300 3.3L (1992).

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
    • Accumulator HVAC › Component Information › Service and Repair
    • Air Conditioning Switch › Component Information › Description and Operation
    • Air Door, HVAC8 pages

      • Air Door Actuator / Motor, HVAC › Component Information7 pages

        • Locations › Outside Air Valve Vacuum Actuator2
        • Testing and Inspection › System Diagnosis23
        • Service and Repair › Defroster Vacuum Diaphragm Replace2
      • Air Door Cable, HVAC › Component Information › Adjustments
    • Blower Motor › Component Information18 pages

      • Technical Service Bulletins › HVAC Blower Motor - Revised Replacement Parts23
      • Diagrams › Diagram Information and Instructions234
      • Testing and Inspection › Initial Inspection and Diagnostic Overview23456789
      • Service and Repair › With Air Conditioning2
    • Blower Motor Relay › Component Information › Locations
    • Blower Motor Resistor › Component Information › Technical Service Bulletins2 pages

      • All Technical Service Bulletins for Blower Motor Resistor: › 90824 › Jun › 90 › A/C - No Difference Between Low/Medium BLower Speed
      • Customer Interest for Blower Motor Resistor: › 90824 › Jun › 90 › A/C - No Difference Between Low/Medium BLower Speed
    • Compressor HVAC9 pages

      • Compressor Clutch › Component Information › Service and Repair › Compressor Clutch Plate & Hub Assembly Replace2
      • Compressor Clutch Coil › Component Information › Service and Repair › Removal2
      • Compressor Shaft Seal › Component Information5 pages

        • Technical Service Bulletins › A/C Compressor Seal Washer - Reference Chart23
        • Service and Repair › Removal2
    • Compressor Clutch Diode HVAC › Component Information › Technical Service Bulletins › Electrical Systems - Isolation Diode Replacement2
    • Compressor Clutch Relay › Component Information › Locations › A/C Compressor Clutch Relay234
    • Condenser HVAC › Component Information › Service and Repair
    • Control Assembly, HVAC › Component Information › Service and Repair
    • Evaporator Case › Component Information › Technical Service Bulletins10 pages

      • Customer Interest: › 9016 › Feb › 90 › A/C - Emitting Odors234
      • All Technical Service Bulletins: › 9016 › Feb › 90 › A/C - Emitting Odors234
      • All Other Service Bulletins for Evaporator Case: › 04-07-30-013B › Feb › 07 › Engine, A/T - Shift/Driveability Concerns/MIL ON2
      • All Other Service Bulletins for Evaporator Case: › 04-07-30-013B › Feb › 07 › Engine, A/T - Shift/Driveability Concerns/MIL ON
    • Evaporator Core › Component Information › Technical Service Bulletins26 pages

      • Customer Interest for Evaporator Core:13 pages

        • 9113 › Oct › 90 › A/C - Odors On Hot/Humid Start Up234567
        • 9016 › Feb › 90 › A/C - Emitting Odors234
        • 88114 › May › 88 › A/C - Odor2
      • All Technical Service Bulletins for Evaporator Core:13 pages

        • 9113 › Oct › 90 › A/C - Odors On Hot/Humid Start Up234567
        • 9016 › Feb › 90 › A/C - Emitting Odors234
        • 88114 › May › 88 › A/C - Odor2
    • Evaporator Drain Tube › Component Information › Technical Service Bulletins2 pages

      • All Technical Service Bulletins for Evaporator Drain Tube: › 88116 › Jun › 88 › A/C - Water Leaks Due to Plugged Evaporator Drain Hoses
      • Customer Interest for Evaporator Drain Tube: › 88116 › Jun › 88 › A/C - Water Leaks Due to Plugged Evaporator Drain Hoses
    • Expansion Block/Orifice Tube › Component Information › Locations2
    • Heater Control Valve › Component Information › Locations
    • Heater Core › Component Information7 pages

      • Technical Service Bulletins › Cooling System, A/C - Aluminum Heater Cores/Radiators23
      • Service and Repair › Installation234
    • Hose/Line HVAC › Component Information › Specifications
    • Housing Assembly HVAC › Component Information › Service and Repair
    • Refrigerant › Component Information › Technical Service Bulletins35 pages

      • A/C - Use of Alternate Refrigerants to R-12
      • Technical Service Bulletins for Refrigerant:34 pages

        • 431207E › Jan › 97 › A/C - Retrofitting R-12 to R-134a234567891011121314151617181920212223
        • 631209 › May › 96 › A/C - R12 or R134a Service Recommendations2
        • 531205 › May › 95 › Contaminated R12 Refrigerant - Testing & Handling23
        • 431223 › Sep › 94 › A/C Refrigerant - Contamination2
        • 331226 › Jan › 94 › A/C - Retrofitting R-12 Vehicles to R-134A2
        • 9312 › Sep › 92 › A/C - Use of Alternate Refrigerants to R-12
        • 90111 › Apr › 90 › A/C - Charging Capacities Chart
    • Refrigerant Oil › Component Information › Specifications › Capacity Specifications2
    • Refrigerant Pressure Sensor / Switch, HVAC › Component Information3 pages

      • Technical Service Bulletins › A/C - O-Ring Push Out During Switch Installation
      • Locations › High Side Cut-Out Switch2
    • Relays and Modules - HVAC5 pages

      • Blower Motor Relay › Component Information › Locations
      • Compressor Clutch Relay › Component Information › Locations › A/C Compressor Clutch Relay234
    • Sensors and Switches - HVAC4 pages

      • Air Conditioning Switch › Component Information › Description and Operation
      • Refrigerant Pressure Sensor / Switch, HVAC › Component Information3 pages

        • Technical Service Bulletins › A/C - O-Ring Push Out During Switch Installation
        • Locations › High Side Cut-Out Switch2
    • Service Port HVAC › Component Information › Technical Service Bulletins › A/C - Refrigerant Loss Prevention2
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