G 20 Van V8-5.7L VIN R (1996): Heating and Air Conditioning

Also for this vehicle: G 20 3/4 Ton Van L6-250 4.1L VIN D 2-bbl (1984), G 20 3/4 Ton Van V8-305 5.0L VIN F 4-bbl (1982), G 20 3/4 Ton Van V8-305 5.0L VIN H 4-bbl (1984), G 20 3/4 Ton Van V8-350 5.7L VIN L 4-bbl (1982), G 20 3/4 Ton Van V8-379 6.2L DSL VIN C FI (1984), G 20 Van V6-262 4.3L (1985), G 20 Van V6-262 4.3L VIN Z (1993), G 20 Van V6-262 4.3L VIN Z TBI (1995), G 20 Van V6-4.3L VIN W (1996), G 20 Van V8-305 5.0L (1987), G 20 Van V8-350 5.7L (1985), G 20 Van V8-350 5.7L VIN K TBI (1995), G 20 Van V8-379 6.2L DSL (1987), G 20 Van V8-379 6.2L DSL VIN C FI (1992), G 20 Van V8-393 6.5L DSL VIN Y (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
- Air Door, HVAC › Air Door Actuator / Motor, HVAC › Component Information › Locations › Rear Auxiliary Mode Valve and Seal Assembly (Mode Door Motor)2 3 4 5
- Blower Motor › Component Information43 pages
  - Technical Service Bulletins32 pages
    Customer Interest for Blower Motor: › 531212A › Dec › 96 › A/C - Odor at Start up in Humid Climates2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
    All Technical Service Bulletins for Blower Motor: › 531212A › Dec › 96 › A/C - Odor at Start up in Humid Climates2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
  - Locations › Rear Air Condtioning Blower Assembly2 3 4 5 6 7 8
  - Service and Repair › Rear Air Conditioner Blower Assembly2 3
- Blower Motor Relay › Component Information4 pages
  - Locations › Auxiliary Blower Motor2
  - Diagrams › Auxiliary Blower Motor Relay, Low/Med/High Connectors2
- Blower Motor Resistor › Component Information4 pages
  - Locations › Auxiliary Blower Motor Resistor2
  - Diagrams › Auxiliary Blower Motor Resistor Connector2
- Blower Motor Switch › Component Information › Locations › Auxiliary Blower Motor Switch2
- Compressor HVAC20 pages
- Control Assembly, HVAC › Component Information11 pages
- Evaporator Core › Component Information › Technical Service Bulletins38 pages
  - Customer Interest for Evaporator Core:19 pages
    99-01-39-004C › Jun › 09 › A/C - Musty Odors Emitted From (HVAC) System2 3
    531212A › Dec › 96 › A/C - Odor at Start up in Humid Climates2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
  - All Technical Service Bulletins for Evaporator Core:19 pages
    99-01-39-004C › Jun › 09 › A/C - Musty Odors Emitted From (HVAC) System2 3
    531212A › Dec › 96 › A/C - Odor at Start up in Humid Climates2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
- Expansion Block/Orifice Tube › Component Information › Locations2 3
- Expansion Valve › Component Information › Locations2
- Heater Core › Component Information › Technical Service Bulletins › Cooling System, A/C - Aluminum Heater Cores/Radiators2 3
- High Pressure Safety Valve HVAC › Component Information › Specifications2 3 4
- Hose/Line HVAC › Component Information › Technical Service Bulletins4 pages
  - Customer Interest for Hose/Line HVAC: › 661207 › Oct › 96 › A/C - Does Not Cool or Coolant Leak at Vehicle Rear2
  - All Technical Service Bulletins for Hose/Line HVAC: › 661207 › Oct › 96 › A/C - Does Not Cool or Coolant Leak at Vehicle Rear2
- Refrigerant › Component Information › Technical Service Bulletins › A/C - Refrigerant Recovery/Recycling/Equipment2 3 4 5 6 7
- Refrigerant Oil › Component Information3 pages
  - Technical Service Bulletins › A/C - New PAG Oil
  - Specifications › Capacity Specifications2
- Refrigerant Pressure Sensor / Switch, HVAC › Component Information19 pages
  - Technical Service Bulletins7 pages
    Customer Interest: › 00-01-38-004A › Apr › 00 › A/C - Intermittent System Operation2
    All Technical Service Bulletins: › 00-01-38-004A › Apr › 00 › A/C - Intermittent System Operation2
    All Other Service Bulletins for Refrigerant Pressure Sensor / Switch:3 pages
    00-08-46-002A › Apr › 05 › OnStar(R) - Cellular Antenna Replacement Parts2
    00-08-46-003B › Feb › 05 › Instruments - GPS System Performance Degradation
    All Other Service Bulletins for Refrigerant Pressure Sensor / Switch:0 pages
    00-08-46-002A › Apr › 05 › OnStar(R) - Cellular Antenna Replacement Parts
    00-08-46-003B › Feb › 05 › Instruments - GPS System Performance Degradation
  - Locations › A/C Compressor Pressure Cut-Off Switch2 3 4 5 6
  - Diagrams › A/C High Pressure Cut-Off Switch2
  - Description and Operation › A/C High Pressure Switch2
  - Service and Repair › A/C High Pressure Switch2
- Relays and Modules - HVAC › Blower Motor Relay › Component Information4 pages
  - Locations › Auxiliary Blower Motor2
  - Diagrams › Auxiliary Blower Motor Relay, Low/Med/High Connectors2
- Sensors and Switches - HVAC18 pages
  - Blower Motor Switch › Component Information › Locations › Auxiliary Blower Motor Switch2
  - Refrigerant Pressure Sensor / Switch, HVAC › Component Information16 pages
    Technical Service Bulletins4 pages
    Customer Interest for Refrigerant Pressure Sensor / Switch: › 00-01-38-004A › Apr › 00 › A/C - Intermittent System Operation2
    All Technical Service Bulletins for Refrigerant Pressure Sensor / Switch: › 00-01-38-004A › Apr › 00 › A/C - Intermittent System Operation2
    Locations › A/C Compressor Pressure Cut-Off Switch2 3 4 5 6
    Diagrams › A/C High Pressure Cut-Off Switch2
    Description and Operation › A/C High Pressure Switch2
    Service and Repair › A/C High Pressure Switch2
- Service Port HVAC › Component Information › Locations
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