Lucerne V6-3.9L (2009): Heating and Air Conditioning

Also for this vehicle: Lucerne V6-3.8L (2007), Lucerne V6-3.8L VIN 2 (2006), Lucerne V8-4.6L (2008).

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 Information14 pages
  - Locations2 3 4 5 6 7 8 9
  - Service and Repair5 pages
    Air Inlet Valve Actuator Replacement
    HVAC - Automatic › Air Inlet Valve Actuator Replacement2 3 4
- Air Duct › Component Information › Service and Repair › Instrument Panel Outer Air Outlet Upper Duct Replacement - Left Side2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
- Air Register › Component Information › Service and Repair › Side Window Air Outlet Replacement2 3 4 5
- Ambient Temperature Sensor / Switch HVAC › Component Information › Locations2 3
- Blower Motor › Component Information200 pages
  - Locations2
  - Diagrams198 pages
    Diagram Information and Instructions › Master Electrical Schematic Icons2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20…46
    Diagnostic Aids152 pages
    Arrows and Symbols2 3
    General Electrical Diagnostic Procedures149 pages
    Checking Aftermarket Accessories
    Circuit Testing › Circuit Testing2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
    Connector Repairs › AFL/ECP Connectors2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20…107
    Wiring Repairs › Circuit Protection - Circuit Breakers2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21
- Blower Motor Relay › Component Information › Locations
- Blower Motor Resistor › Component Information › Service and Repair
- Cabin Air Filter › Component Information › Service and Repair
- Cabin Temperature Sensor / Switch › Component Information › Locations2 3
- Compressor HVAC › Compressor Clutch › Component Information › Diagrams
- Compressor Clutch Relay › Component Information › Locations
- Condenser HVAC › Component Information › Service and Repair2 3 4 5 6
- Control Module HVAC › Component Information13 pages
  - Locations2 3 4 5 6 7 8 9 10 11
  - Service and Repair › HVAC - Automatic2
- Coupler HVAC › A/C Coupler O-ring › Component Information › Service and Repair › Air Conditioning System Seal Replacement2 3
- Evaporator Core › Component Information › Service and Repair
- Evaporator Temperature Sensor / Switch › Component Information › Locations2
- Expansion Block/Orifice Tube › Component Information › Service and Repair
- Heater Core › Component Information › Service and Repair
- Heater Hose › Component Information › Service and Repair
- Hose/Line HVAC › Component Information › Service and Repair › Air Conditioning Compressor and Condenser Hose Replacement2 3 4 5 6
- Housing Assembly HVAC › Component Information › Service and Repair
- Refrigerant › Component Information › Specifications › Capacity Specifications2
- Refrigerant Filter › Component Information › Service and Repair
- Refrigerant Pressure Sensor / Switch, HVAC › Component Information › Diagrams2
- Relays and Modules - HVAC15 pages
  - Blower Motor Relay › Component Information › Locations
  - Compressor Clutch Relay › Component Information › Locations
  - Control Module HVAC › Component Information13 pages
    Locations2 3 4 5 6 7 8 9 10 11
    Service and Repair › HVAC - Automatic2
- Sensors and Switches - HVAC14 pages
- Solar Sensor, HVAC › Component Information › Locations2 3 4
- Wiring Harness HVAC › Component Information › Service and Repair › HVAC - Automatic2
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