Envoy 2WD V6-4.3L VIN W (1998): Heating and Air Conditioning

Also for this vehicle: Envoy 2WD L6-4.2L (2008), Envoy 2WD L6-4.2L VIN S (2002), Envoy 2WD V8-5.3L (2007), Envoy 2WD V8-5.3L VIN M (2005), Envoy 2WD V8-5.3L VIN P (2004), Envoy 4WD L6-4.2L (2008), Envoy 4WD L6-4.2L VIN S (2003), Envoy 4WD V6-4.3L VIN W (1998), Envoy 4WD V8-5.3L (2007), Envoy 4WD V8-5.3L VIN M (2005), Envoy 4WD V8-5.3L VIN P (2004).

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 Information6 pages
  - Specifications2
  - Service and Repair › A/C System - Manual2 3 4
- Air Door, HVAC › Air Door Actuator / Motor, HVAC › Component Information23 pages
- Air Duct › Component Information16 pages
- Ambient Temperature Sensor / Switch HVAC › Component Information › Locations › Component Locations2
- Blower Motor › Component Information12 pages
- Blower Motor Relay › Component Information › Locations2 3
- Blower Motor Resistor › Component Information5 pages
  - Locations › Component Locations2
  - Service and Repair › Heating System2 3
- Cabin Temperature Sensor / Switch › Component Information7 pages
  - Locations2 3 4
  - Service and Repair › Roof2 3
- Compressor HVAC16 pages
- Compressor Clutch Diode HVAC › Component Information › Locations
- Compressor Clutch Relay › Component Information4 pages
  - Locations2
  - Service and Repair › Compressor Delay Relay2
- Condenser HVAC › Component Information › Specifications2 3 4
- Control Assembly, HVAC › Component Information14 pages
- Control Module HVAC › Component Information4 pages
  - Locations › Component Locations2
  - Description and Operation › Blower Controls2
- Coupler HVAC › A/C Coupler O-ring › Component Information › Service Precautions
- Discharge Air Temperature Sensor / Switch, HVAC › Component Information3 pages
  - Locations
  - Diagrams › Lower2
- Evaporator Core › Component Information16 pages
- Evaporator Drain Tube › Component Information › Locations
- Expansion Block/Orifice Tube › Component Information › Locations2 3
- Heater Core › Component Information5 pages
  - Technical Service Bulletins › Cooling System, A/C - Aluminum Heater Cores/Radiators2 3
  - Description and Operation › Heater Core2
- Heater Hose › Component Information › Service and Repair2 3
- High Pressure Safety Valve HVAC › Component Information › Service and Repair › Compressor Pressure Relief Valve2 3 4
- Hose/Line HVAC › Component Information8 pages
  - Specifications2
  - Service and Repair › Compressor Hose Assembly2 3 4 5 6
- Housing Assembly HVAC › Component Information › Service and Repair
- Refrigerant › Component Information9 pages
- Refrigerant Oil › Component Information3 pages
  - Technical Service Bulletins › A/C - New PAG Oil
  - Specifications › Capacity Specifications2
- Refrigerant Pressure Sensor / Switch, HVAC › Component Information11 pages
- Relays and Modules - HVAC11 pages
  - Blower Motor Relay › Component Information › Locations2 3
  - Compressor Clutch Relay › Component Information4 pages
    Locations2
    Service and Repair › Compressor Delay Relay2
  - Control Module HVAC › Component Information4 pages
    Locations › Component Locations2
    Description and Operation › Blower Controls2
- Sensors and Switches - HVAC26 pages
  - Ambient Temperature Sensor / Switch HVAC › Component Information › Locations › Component Locations2
  - Cabin Temperature Sensor / Switch › Component Information7 pages
    Locations2 3 4
    Service and Repair › Roof2 3
  - Discharge Air Temperature Sensor / Switch, HVAC › Component Information3 pages
    Locations
    Diagrams › Lower2
  - Refrigerant Pressure Sensor / Switch, HVAC › Component Information11 pages
    Specifications
    Locations › Component Locations2
    Diagrams › A/C Compressor Cycling Switch2
    Description and Operation › High Pressure Cutout Switch2
    Service and Repair › A/C High Pressure Cut-Out Switch2 3 4
  - Solar Sensor, HVAC › Component Information › Locations2 3
- Solar Sensor, HVAC › Component Information › Locations2 3
- Vacuum Solenoid Valve HVAC › Component Information3 pages
  - Specifications
  - Locations › Component Locations2
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