Ascender 4WD V8-5.3L (2004): Heating and Air Conditioning

Also for this vehicle: Ascender 2WD L6-4.2L (2003), Ascender 2WD V8-5.3L (2004), Ascender 4WD L6-4.2L (2003).

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

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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 › Service and Repair2
- Air Door, HVAC › Air Door Actuator / Motor, HVAC › Component Information › Technical Service Bulletins › A/C - Mode Actuator Cam Gear Alignment
- Air Register › Component Information3 pages
  - Locations
  - Service and Repair › HVAC Systems - Manual2
- Ambient Temperature Sensor / Switch HVAC › Component Information › Locations2 3 4
- Blower Motor › Component Information12 pages
  - Technical Service Bulletins10 pages
    All Technical Service Bulletins:5 pages
    SB08-12-S001 › Feb › 08 › A/C - Blower Motor Inoperative/Won't Shut OFF When Cold
    SB06-12-S004 › Nov › 06 › HVAC - Loss of Blower Speeds Except For Low2
    SB05-12-S001 › Jan › 05 › A/C - Blower Motor Inoperative/Won't Shut OFF2
    Customer Interest:3 pages
    SB08-12-S001 › Feb › 08 › A/C - Blower Motor Inoperative/Won't Shut OFF When Cold
    SB05-12-S001 › Jan › 05 › A/C - Blower Motor Inoperative/Won't Shut OFF2
    All Other Service Bulletins for Blower Motor: › SB05-11-S010 › Jun › 05 › Interior - Cargo Cover Handle Broken2
    All Other Service Bulletins for Blower Motor: › SB05-11-S010 › Jun › 05 › Interior - Cargo Cover Handle Broken
  - Locations › HVAC Systems - Manual2
- Blower Motor Relay › Component Information › Service and Repair
- Blower Motor Resistor › Component Information › Service and Repair › Blower Motor Resistor Assembly Replacement2 3
- Blower Motor Switch › Component Information › Locations › Front Auxiliary Blower Switch2
- Cabin Air Filter › Component Information › Locations
- Cabin Temperature Sensor / Switch › Component Information › Locations › B-Pillar, Left2 3
- Cabin Ventilation Duct › Component Information › Service and Repair
- Cabin Ventilation Grille › Component Information › Service and Repair
- Compressor HVAC › Compressor Clutch › Component Information › Diagrams
- Compressor Clutch Relay › Component Information › Service and Repair
- Condenser HVAC › Component Information › Service and Repair2
- Control Module HVAC › Component Information › Technical Service Bulletins10 pages
  - All Technical Service Bulletins:4 pages
    IB07-12-S005 › Nov › 07 › A/C - Dual Zone A/C Battery Draw Information
    SB06-12-S002 › May › 06 › A/C - Musty Odors On Hot/Humid Days2
    IB04-12-S005 › May › 04 › A/C - Personalization Feature Elimination
  - Customer Interest: › SB06-12-S002 › May › 06 › A/C - Musty Odors On Hot/Humid Days2
  - All Other Service Bulletins for Control Module HVAC:4 pages
    SB06-11-S018 › Dec › 06 › Body - Poor Liftgate or Liftgate Glass Fit/Glass Broken2
    SB06-11-S010 › Aug › 06 › Body - Liftgate Glass Squeaks When Opening2
  - All Other Service Bulletins for Control Module HVAC:0 pages
    SB06-11-S018 › Dec › 06 › Body - Poor Liftgate or Liftgate Glass Fit/Glass Broken
    SB06-11-S010 › Aug › 06 › Body - Liftgate Glass Squeaks When Opening
- Coupler HVAC › A/C Coupler O-ring › Component Information › Service and Repair › Sealing Washer Replacement2 3 4 5
- Discharge Air Temperature Sensor / Switch, HVAC › Component Information › Locations › Upper2
- Evaporator Case › Component Information › Service and Repair
- Evaporator Core › Component Information › Service and Repair › Evaporator Core Replacement2 3 4 5
- Evaporator Drain Tube › Component Information › Service and Repair › Evaporator Tube Replacement2 3
- Expansion Block/Orifice Tube › Component Information › Service and Repair2
- Expansion Valve › Component Information › Service and Repair2
- Heater Control Valve › Heater Control Valve Actuator › Component Information › Locations
- Heater Core › Component Information › Service and Repair › Heater Core Replacement2 3
- Heater Core Case › Component Information › Service and Repair
- Heater Hose › Component Information7 pages
  - Technical Service Bulletins › A/C - Rear Heater/A/C Line Replacement2 3
  - Service and Repair › Heater Hose Replacement - Inlet2 3 4
- Hose/Line HVAC › Component Information11 pages
  - Technical Service Bulletins › A/C - Rear Heater/A/C Line Replacement2 3 4 5 6
  - Service and Repair › Compressor Hose Assembly Replacement2 3 4 5
- Refrigerant › Component Information5 pages
  - Technical Service Bulletins › A/C - SAE J2788 Refrigerant Recovery Standard2 3
  - Specifications › Capacity Specifications2
- Refrigerant Filter › Component Information7 pages
  - Technical Service Bulletins › A/C - Suction Line Screen Kit Recommendations2 3
  - Service and Repair › Air Conditioning (A/C) Refrigerant Filter Installation2 3 4
- Refrigerant Oil › Component Information › Specifications › Capacity Specifications2
- Refrigerant Pressure Sensor / Switch, HVAC › Low Pressure Sensor / Switch, HVAC › Component Information › Locations2
- Relays and Modules - HVAC11 pages
  - Blower Motor Relay › Component Information › Service and Repair
  - Compressor Clutch Relay › Component Information › Service and Repair
  - Control Module HVAC › Component Information › Technical Service Bulletins8 pages
    All Technical Service Bulletins for Control Module HVAC:4 pages
    IB07-12-S005 › Nov › 07 › A/C - Dual Zone A/C Battery Draw Information
    SB06-12-S002 › May › 06 › A/C - Musty Odors On Hot/Humid Days2
    IB04-12-S005 › May › 04 › A/C - Personalization Feature Elimination
    Customer Interest: › SB06-12-S002 › May › 06 › A/C - Musty Odors On Hot/Humid Days2
    All Other Service Bulletins for Control Module HVAC:2 pages
    IB07-12-S005 › Nov › 07 › A/C - Dual Zone A/C Battery Draw Information
    IB04-12-S005 › May › 04 › A/C - Personalization Feature Elimination
  - System Relay, HVAC › Component Information › Locations
- Sensors and Switches - HVAC16 pages
- Service Port HVAC › Component Information › Technical Service Bulletins › A/C - Freon Leak and/or Low Charge
- Solar Sensor, HVAC › Component Information › Locations2 3
- System Relay, 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