LS V8-3.9L VIN A (2003): Heating and Air Conditioning

Also for this vehicle: LS V6-3.0L DOHC VIN S (2000).

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.

01Diagnostic Trouble Codes (DTC)Diagnostic Trouble Codes (DTC): Sections
02Relays and Modules Relays and Modules: Sections
03Sensors and Switches Sensors and Switches: Sections
04Maintenance Maintenance: Sections
05Engine, Cooling and Exhaust Engine, Cooling and Exhaust: Sections
06Powertrain Management Powertrain Management: Sections
07Transmission and Drivetrain Transmission and Drivetrain: Sections
08Brakes and Traction Control Brakes and Traction Control: Sections
09Starting and Charging Starting and Charging: Sections
10Power and Ground Distribution Power and Ground Distribution: Sections
11Steering and Suspension Steering and Suspension: Sections
12Heating and Air Conditioning Heating and Air Conditioning: Sections
- Air Door, HVAC › Air Door Actuator / Motor, HVAC › Component Information13 pages
- Air Duct › Component Information › Service and Repair2 3 4 5
- Air Register › Component Information › Service and Repair2
- Ambient Temperature Sensor / Switch HVAC › Component Information › Locations2
- Auxiliary Water Pump › Component Information › Diagrams
- Auxiliary Water Pump Relay › Component Information22 pages
  - Locations
  - Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21
- Blower Motor › Component Information › Diagrams › Connector Views
- Blower Motor Relay › Component Information22 pages
  - Locations
  - Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21
- Cabin Air Filter › Component Information › Service and Repair
- Cabin Temperature Sensor / Switch › Component Information › Locations2 3
- Compressor HVAC3 pages
  - Compressor Clutch › Component Information › Specifications2
  - Compressor Clutch Coil › Component Information › Diagrams
- Compressor Clutch Relay › Component Information22 pages
  - Locations
  - Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21
- Compressor Fitting HVAC › Component Information › Service and Repair
- Condenser HVAC › Component Information › Testing and Inspection2
- Control Assembly, HVAC › Component Information › Service and Repair
- Control Module HVAC › Component Information4 pages
  - Locations
  - Diagrams › Electronic Automatic Temperature Control (EATC) Module2 3
- Coupler HVAC › Component Information8 pages
  - Service Precautions
  - Service and Repair › Spring Lock Coupling2 3 4 5 6 7
- Discharge Air Temperature Sensor / Switch, HVAC › Component Information5 pages
  - Locations2 3
  - Diagrams › Discharge Temperature Sensor2
- Evaporator Case › Component Information › Service and Repair2 3 4
- Evaporator Core › Component Information › Testing and Inspection
- Expansion Valve › Component Information › Service and Repair › Thermostatic Expansion Valve2 3
- Heater Control Valve › Heater Control Valve Actuator › Component Information › Diagrams
- Heater Core › Component Information › Technical Service Bulletins6 pages
  - Customer Interest for Heater Core: › 06-21-19 › Oct › 06 › A/C - Heater Core Electrolysis/Leakage2 3
  - All Technical Service Bulletins for Heater Core: › 06-21-19 › Oct › 06 › A/C - Heater Core Electrolysis/Leakage2 3
- Heater Hose › Component Information15 pages
  - Technical Service Bulletins8 pages
    Customer Interest: › 06-21-19 › Oct › 06 › A/C - Heater Core Electrolysis/Leakage2 3
    All Technical Service Bulletins: › 06-21-19 › Oct › 06 › A/C - Heater Core Electrolysis/Leakage2 3
    All Other Service Bulletins for Heater Hose: › 04-12-3 › Jun › 04 › A/T - 5R55S TCIL Lamp ON/DTC P1744 Set2
    All Other Service Bulletins for Heater Hose: › 04-12-3 › Jun › 04 › A/T - 5R55S TCIL Lamp ON/DTC P1744 Set
  - Service Precautions › Technician Safety Information2
  - Service and Repair › General Procedures2 3 4 5
- Housing Assembly HVAC › Component Information › Service and Repair
- Receiver Dryer › Component Information › Service and Repair › Receiver Drier2
- Refrigerant › Component Information12 pages
- Refrigerant Oil › Component Information › Specifications › Capacity Specifications2
- Refrigerant Pressure Sensor / Switch, HVAC › Component Information › Locations2
- Relays and Modules - HVAC70 pages
  - Auxiliary Water Pump Relay › Component Information22 pages
    Locations
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21
  - Blower Motor Relay › Component Information22 pages
    Locations
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21
  - Compressor Clutch Relay › Component Information22 pages
    Locations
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21
  - Control Module HVAC › Component Information4 pages
    Locations
    Diagrams › Electronic Automatic Temperature Control (EATC) Module2 3
- Sensors and Switches - HVAC13 pages
  - Ambient Temperature Sensor / Switch HVAC › Component Information › Locations2
  - Cabin Temperature Sensor / Switch › Component Information › Locations2 3
  - Discharge Air Temperature Sensor / Switch, HVAC › Component Information5 pages
    Locations2 3
    Diagrams › Discharge Temperature Sensor2
  - Refrigerant Pressure Sensor / Switch, HVAC › Component Information › Locations2
  - Solar Sensor, HVAC › Component Information › Diagrams
- Service Port HVAC › Component Information › Locations2
- Solar Sensor, HVAC › Component Information › Diagrams
13Restraint Systems Restraint Systems: Sections
14Accessories and Optional Equipment Accessories and Optional Equipment: Sections
15Body and Frame Body and Frame: Sections
16Cruise Control Cruise Control: Sections
17Instrument Panel, Gauges and Warning Indicators Instrument Panel, Gauges and Warning Indicators: Sections
18Lighting and Horns Lighting and Horns: Sections
19Windows and Glass Windows and Glass: Sections
20Wiper and Washer Systems Wiper and Washer Systems: Sections