Sierra 1500 4WD V6-4.3L (2008): Heating and Air Conditioning

Also for this vehicle: Sierra 1500 4WD V8-4.8L (2007), Sierra 1500 4WD V8-4.8L VIN V (2004), Sierra 1500 4WD V8-5.3L (2008), Sierra 1500 4WD V8-5.3L VIN B (2005), Sierra 1500 4WD V8-5.3L VIN B HO (2006), Sierra 1500 4WD V8-5.3L VIN T (2004), Sierra 1500 4WD V8-5.3L VIN Z Flex Fuel (2005), Sierra 1500 4WD V8-6.0L (2007), Sierra 1500 4WD V8-6.0L Hybrid (2009), Sierra 1500 4WD V8-6.0L VIN U (2006).

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 Information15 pages
  - Locations2 3 4 5
  - Service and Repair › HVAC - Automatic2 3 4 5 6 7 8 9 10
- Air Duct › Component Information › Service and Repair › Air Distributor Duct Replacement2 3 4
- Air Register › Component Information › Service and Repair › Side Window Air Outlet Replacement2 3 4 5 6 7 8 9 10 11
- Ambient Temperature Sensor / Switch HVAC › Component Information › Locations2 3
- Blower Motor › Component Information › Technical Service Bulletins2 pages
  - All Technical Service Bulletins for Blower Motor: › 08-01-38-002 › Apr › 08 › A/C - Blower Motor is Inoperative
  - Customer Interest for Blower Motor: › 08-01-38-002 › Apr › 08 › A/C - Blower Motor is Inoperative
- Cabin Air Filter › Component Information › Service and Repair
- Cabin Temperature Sensor / Switch › Component Information › Locations2 3 4
- Cabin Ventilation Duct › Component Information › Service and Repair
- Cabin Ventilation Grille › Component Information › Service and Repair
- Compressor HVAC › Compressor Clutch › Component Information6 pages
  - Specifications2
  - Service and Repair › Compressor Clutch Plate/Hub Assembly Replacement (4.3L, 6.6L)2 3 4
- Compressor Clutch Relay › Component Information › Locations
- Condenser HVAC › Component Information › Service and Repair2 3
- Control Assembly, HVAC › Component Information12 pages
  - Technical Service Bulletins10 pages
    Customer Interest: › 07-01-38-009B › Nov › 07 › A/C - Does Not Cool/Can't Change Mode/DTC's Set2 3 4
    All Technical Service Bulletins for Control Assembly:5 pages
    07-01-38-009B › Nov › 07 › A/C - Does Not Cool/Can't Change Mode/DTC's Set2 3 4
    07-01-38-003 › Jun › 07 › A/C - Indicators Flashing (Normal Condition)
    All Other Service Bulletins for Control Assembly: › 07-01-38-003 › Jun › 07 › A/C - Indicators Flashing (Normal Condition)
  - Service and Repair › HVAC - Automatic2
- Control Module HVAC › Component Information › Technical Service Bulletins8 pages
- Coupler HVAC › A/C Coupler O-ring › Component Information › Service and Repair › Sealing Washer Replacement2 3
- Discharge Air Temperature Sensor / Switch, HVAC › Component Information6 pages
  - Locations2 3 4
  - Service and Repair › Air Temperature Sensor Replacement - Lower Left Side2
- Evaporator Core › Component Information › Technical Service Bulletins6 pages
  - Customer Interest for Evaporator Core: › 99-01-39-004C › Jun › 09 › A/C - Musty Odors Emitted From (HVAC) System2 3
  - All Technical Service Bulletins for Evaporator Core: › 99-01-39-004C › Jun › 09 › A/C - Musty Odors Emitted From (HVAC) System2 3
- Expansion Block/Orifice Tube › Component Information › Service and Repair
- Heater Core › Component Information5 pages
  - Technical Service Bulletins › Cooling System, A/C - Aluminum Heater Cores/Radiators2 3
  - Service and Repair › Heater Core Cover Replacement2
- Heater Hose › Component Information › Service and Repair › Heater Inlet Hose Replacement (Non-HP2)2 3 4 5
- Hose/Line HVAC › Component Information › Service and Repair2
- Housing Assembly HVAC › Component Information › Service and Repair2 3
- Refrigerant › Component Information3 pages
  - Technical Service Bulletins › A/C - Refrigerant Recovery/Recycling/Equipment
  - Specifications › Capacity Specifications2
- Refrigerant Oil › Component Information › Specifications
- Refrigerant Pressure Sensor / Switch, HVAC › Low Pressure Sensor / Switch, HVAC › Component Information › Locations2 3
- Relays and Modules - HVAC9 pages
  - Compressor Clutch Relay › Component Information › Locations
  - Control Module HVAC › Component Information › Technical Service Bulletins8 pages
    Customer Interest: › 08-01-39-009B › Sep › 10 › A/C - Defaults To Full Hot/Full Cold/DTC's Set2
    All Technical Service Bulletins for Control Module HVAC:4 pages
    08-01-39-009B › Sep › 10 › A/C - Defaults To Full Hot/Full Cold/DTC's Set2
    07-01-38-006 › Aug › 07 › A/C - Control Module A/C Indicator Blinking2
    All Other Service Bulletins for Control Module HVAC: › 07-01-38-006 › Aug › 07 › A/C - Control Module A/C Indicator Blinking2
- Sensors and Switches - HVAC21 pages
  - Ambient Temperature Sensor / Switch HVAC › Component Information › Locations2 3
  - Cabin Temperature Sensor / Switch › Component Information › Locations2 3 4
  - Discharge Air Temperature Sensor / Switch, HVAC › Component Information6 pages
    Locations2 3 4
    Service and Repair › Air Temperature Sensor Replacement - Lower Left Side2
  - Refrigerant Pressure Sensor / Switch, HVAC › Low Pressure Sensor / Switch, HVAC › Component Information › Locations2 3
  - Solar Sensor, HVAC › Component Information › Locations2 3 4 5
- Solar Sensor, HVAC › Component Information › Locations2 3 4 5
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