90S Quattro (Canada) V6-2.8L (AAH) (1993): Heating and Air Conditioning

Also for this vehicle: 90 L5-2309cc 2.3L SOHC (NG) (1988), 90 Quattro 20V (Canada) L5-2309cc 2.3L DOHC (7A) (1989), 90 Quattro 20V L5-2309cc 2.3L DOHC (7A) (1990), 90 Quattro Sport V6-2.8L (AFC) (1995), 90CS Quattro V6-2.8L (AAH) (1994), 90CS Quattro V6-2.8L (AFC) (1995), 90S Quattro (Canada) V6-2.8L (AFC) (1995), 90S, CS V6-2.8L (AAH) (1994), 90S, CS V6-2.8L (AFC) (1995).

Diagnostics Maintenance Engine Transmission Brakes Electrical Steering & suspension Heating & A/C Body & interior

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

01Relays and Modules Relays and Modules: Sections
02Sensors and Switches Sensors and Switches: Sections
03Maintenance Maintenance: Sections
04Engine, Cooling and Exhaust Engine, Cooling and Exhaust: Sections
05Powertrain Management Powertrain Management: Sections
06Transmission and Drivetrain Transmission and Drivetrain: Sections
07Brakes and Traction Control Brakes and Traction Control: Sections
08Starting and Charging Starting and Charging: Sections
09Power and Ground Distribution Power and Ground Distribution: Sections
10Steering and Suspension Steering and Suspension: Sections
11Heating and Air Conditioning Heating and Air Conditioning: Sections
- Accumulator HVAC › Component Information › Description and Operation2
- Air Door, HVAC7 pages
  - Air Door Actuator / Motor, HVAC › Component Information5 pages
    Testing and Inspection
    Service and Repair › Center Vent Motor With Position Sensor, Replacement2 3 4
  - Air Door Cable, HVAC › Component Information › Service and Repair › Bowden Cables at Control Panels (Manual A/C Only)2
- Air Register › Component Information › Service and Repair › Dash Vents2 3
- Ambient Temperature Sensor / Switch HVAC › Component Information4 pages
  - Description and Operation2
  - Service and Repair › Ambient Temperature Switch2
- Blower Motor › Blower Motor Impeller › Component Information › Locations2
- Cabin Temperature Sensor / Switch › Component Information › Service and Repair › Instrument Panel Interior Temperature Sensor, Replacing2
- Compressor HVAC5 pages
  - Compressor Clutch › Component Information › Specifications › Clutch Air Gap2
  - Compressor Clutch Coil › Component Information › Service and Repair2 3
- Compressor Clutch Relay › Component Information › Locations
- Compressor Speed Sensor, HVAC › Component Information › Description and Operation2 3
- Condenser HVAC › Component Information › Specifications2 3
- Condenser Fan › Condenser Fan Motor › Component Information › Diagrams › Diagram Information and Instructions › How to Use Wiring Diagrams2 3 4 5 6 7 8
- Condenser Fan Diode › Component Information › Diagrams › Diagram Information and Instructions › How to Use Wiring Diagrams2 3 4 5 6 7 8
- Condenser Fan Resistor › Component Information › Diagrams › Diagram Information and Instructions › How to Use Wiring Diagrams2 3 4 5 6 7 8
- Control Assembly, HVAC › Component Information › Service and Repair › A/C Control Head, Replacement2 3
- Control Module HVAC › Component Information › Technical Service Bulletins › A/C - Climate Control Common Problems2 3
- Evaporator Case › Component Information6 pages
  - Description and Operation2
  - Service and Repair › Heater Box and Evaporator Housing Overview2 3 4
- Evaporator Core › Component Information › Specifications2 3 4
- Evaporator Drain Tube › Component Information › Service and Repair
- Expansion Block/Orifice Tube › Component Information › Locations2
- Heater Core › Component Information › Locations2 3
- Heater Core Case › Component Information7 pages
  - Locations2
  - Service and Repair › Heater Box and Evaporator Housing Overview2 3 4 5
- High Pressure Safety Valve HVAC › Component Information › Description and Operation2
- Hose/Line HVAC › Component Information › Description and Operation2
- Housing Assembly HVAC › Component Information › Technical Service Bulletins8 pages
  - Customer Interest for Housing Assembly HVAC: › 8794042 3 4
  - All Technical Service Bulletins for Housing Assembly HVAC: › 8794042 3 4
- Refrigerant › Component Information36 pages
  - Technical Service Bulletins › A/C System - Servicing R134a34 pages
    A/C System - Servicing R134a2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20…27
    Removal and Installation Procedures › Compressor2 3 4 5 6 7
  - Specifications › Capacity Specifications2
- Refrigerant Oil › Component Information5 pages
  - Technical Service Bulletins › Vehicle - Fluid Capacity Chart2 3
  - Specifications › Capacity Specifications2
- Refrigerant Pressure Sensor / Switch, HVAC2 pages
  - High Pressure Sensor / Switch, HVAC › Component Information › Service and Repair
  - Low Pressure Sensor / Switch, HVAC › Component Information › Service and Repair
- Relays and Modules - HVAC4 pages
  - Compressor Clutch Relay › Component Information › Locations
  - Control Module HVAC › Component Information › Technical Service Bulletins › A/C - Climate Control Common Problems2 3
- Sensors and Switches - HVAC12 pages
  - Ambient Temperature Sensor / Switch HVAC › Component Information4 pages
    Description and Operation2
    Service and Repair › Ambient Temperature Switch2
  - Cabin Temperature Sensor / Switch › Component Information › Service and Repair › Instrument Panel Interior Temperature Sensor, Replacing2
  - Compressor Speed Sensor, HVAC › Component Information › Description and Operation2 3
  - Refrigerant Pressure Sensor / Switch, HVAC2 pages
    High Pressure Sensor / Switch, HVAC › Component Information › Service and Repair
    Low Pressure Sensor / Switch, HVAC › Component Information › Service and Repair
  - Throttle Full Open Switch HVAC › Component Information › Description and Operation
- Service Port HVAC › Component Information › Locations › Charging Valve2
- Vacuum Restrictor HVAC › Component Information › Service and Repair
- Vacuum Solenoid Valve HVAC › Component Information › Service and Repair
- Ventilation Fan Motor › Component Information › Technical Service Bulletins2 pages
  - Customer Interest for Ventilation Fan Motor: › 879405
  - All Technical Service Bulletins for Ventilation Fan Motor: › 879405
12Restraint Systems Restraint Systems: Sections
13Accessories and Optional Equipment Accessories and Optional Equipment: Sections
14Body and Frame Body and Frame: Sections
15Cruise Control Cruise Control: Sections
16Instrument Panel, Gauges and Warning Indicators Instrument Panel, Gauges and Warning Indicators: Sections
17Lighting and Horns Lighting and Horns: Sections
18Windows and Glass Windows and Glass: Sections
19Wiper and Washer Systems Wiper and Washer Systems: Sections