Yukon XL 2500 4WD V8-8.1L VIN G (2004): Heating and Air Conditioning

Also for this vehicle: Yukon XL 2500 2WD V8-6.0L VIN N (2006), Yukon XL 2500 2WD V8-6.0L VIN U (2005), Yukon XL 2500 2WD V8-8.1L VIN G (2004), Yukon XL 2500 4WD V8-6.0L VIN N (2006), Yukon XL 2500 4WD V8-6.0L VIN U (2005), Yukon XL 2WD V8-5.3L (2011), Yukon XL 2WD V8-6.0L (2007), Yukon XL 4WD V8-5.3L (2011), Yukon XL 4WD V8-6.0L (2007), Yukon XL Denali 2WD V8-6.2L (2011), Yukon XL Denali AWD V8-6.2L (2010).

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 3
- Air Door, HVAC › Air Door Actuator / Motor, HVAC › Component Information42 pages
- Air Duct › Component Information › Service and Repair › Air Distribution Ducts Replacement - Auxiliary (Lower)2 3 4 5
- Air Register › Component Information › Service and Repair › Air Outlet Replacement - Rear Floor2 3 4 5 6
- Ambient Temperature Sensor / Switch HVAC › Component Information3 pages
  - Locations
  - Diagrams › HVAC Systems - Automatic2
- Blower Motor › Auxiliary Blower Motor › Component Information › Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20…60
- Blower Motor Relay › Component Information › Technical Service Bulletins4 pages
  - Customer Interest: › 03-01-38-015A › Oct › 08 › A/C - Blower Motor Runs After Vehicle Is Shut OFF
  - All Technical Service Bulletins: › 03-01-38-015A › Oct › 08 › A/C - Blower Motor Runs After Vehicle Is Shut OFF
  - All Other Service Bulletins for Blower Motor Relay: › 04-08-52-005 › Jun › 04 › Keyless Entry - Inoperative2
  - All Other Service Bulletins for Blower Motor Relay: › 04-08-52-005 › Jun › 04 › Keyless Entry - Inoperative
- Blower Motor Resistor › Component Information22 pages
  - Technical Service Bulletins16 pages
    Recalls: › 11046 › Apr › 11 › Campaign - HVAC Blower Not Functional Runs Continuously2 3
    Customer Interest: › 05-01-38-012C › Nov › 06 › A/C - Blower Motor Inop. or Works On Low Speed Only2 3
    All Technical Service Bulletins:6 pages
    11046 › Apr › 11 › Campaign - HVAC Blower Not Functional Runs Continuously2 3
    05-01-38-012C › Nov › 06 › A/C - Blower Motor Inop. or Works On Low Speed Only2 3
    All Other Service Bulletins for Blower Motor Resistor: › 09-06-03-004D › Dec › 10 › Electrical - MIL ON/DTC's Set By Various Control Modules2 3 4
    All Other Service Bulletins for Blower Motor Resistor: › 09-06-03-004D › Dec › 10 › Electrical - MIL ON/DTC's Set By Various Control Modules
    All Other Service Bulletins for Blower Motor Resistor: › 09-06-03-004D › Dec › 10 › Electrical - MIL ON/DTC's Set By Various Control Modules
  - Diagrams › Blower Motor Resistor Assembly2 3
  - Service and Repair › Blower Motor Resistor Replacement2 3
- Blower Motor Switch › Component Information › Service and Repair
- Cabin Air Filter › Component Information › Locations2
- Cabin Temperature Sensor / Switch › Component Information6 pages
  - Diagrams2
  - Service and Repair › Inside Air Temperature Sensor Assembly Replacement2 3 4
- Cabin Ventilation Grille › Component Information › Service and Repair
- Compressor HVAC5 pages
  - Compressor Clutch › Component Information › Diagrams › HVAC systems - Manual2
  - Compressor Clutch Hub › Component Information › Specifications2 3
- Compressor Clutch Relay › Component Information › Locations2 3
- Condenser HVAC › Component Information › Service and Repair2 3 4
- Control Assembly, HVAC › Component Information18 pages
- Control Module HVAC › Component Information34 pages
  - Technical Service Bulletins24 pages
    Recalls: › 11046 › Apr › 11 › Campaign - HVAC Blower Not Functional Runs Continuously2 3
    Customer Interest:5 pages
    06-01-39-015A › Jan › 07 › A/C - No Rear Temp Control/Noise/DTC's B0434 or B37642 3
    06-01-38-003 › Apr › 06 › A/C - Ticking Noise From Instrument Panel/DTC's Set2
    All Technical Service Bulletins for Control Module HVAC:8 pages
    11046 › Apr › 11 › Campaign - HVAC Blower Not Functional Runs Continuously2 3
    06-01-39-015A › Jan › 07 › A/C - No Rear Temp Control/Noise/DTC's B0434 or B37642 3
    06-01-38-003 › Apr › 06 › A/C - Ticking Noise From Instrument Panel/DTC's Set2
    All Other Service Bulletins for Control Module HVAC:5 pages
    06-01-39-015A › Jan › 07 › A/C - No Rear Temp Control/Noise/DTC's B0434 or B37642 3
    06-01-38-003 › Apr › 06 › A/C - Ticking Noise From Instrument Panel/DTC's Set2
    All Other Service Bulletins for Control Module HVAC: › 11046 › Apr › 11 › Campaign - HVAC Blower Not Functional Runs Continuously2 3
  - Diagrams › HVAC Control Processor - Auxiliary2 3 4
  - Description and Operation › HVAC Systems - Manual2
  - Service and Repair › HVAC System - Automatic2 3 4
- Coupler HVAC › A/C Coupler O-ring › Component Information › Service and Repair › O-Ring Replacement2 3
- Discharge Air Temperature Sensor / Switch, HVAC › Component Information22 pages
- Evaporator Core › Component Information14 pages
  - 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
  - Service and Repair › Evaporator Core Replacement (Delphi)2 3 4 5 6 7 8
- Expansion Block/Orifice Tube › Component Information › Service and Repair2
- Expansion Valve › Component Information › Service and Repair
- Heater Core › Component Information9 pages
  - Technical Service Bulletins › Cooling System, A/C - Aluminum Heater Cores/Radiators2 3
  - Service and Repair › Heater Core Replacement - Auxiliary2 3 4 5 6
- Heater Hose › Component Information › Service and Repair › Heater Pipe - Auxiliary2 3 4 5 6 7 8 9 10 11
- Hose/Line HVAC › Component Information12 pages
  - Technical Service Bulletins4 pages
    Customer Interest for Hose/Line HVAC: › 06-01-38-002 › Mar › 06 › A/C - Hiss Noise From Instrument Panel2
    All Technical Service Bulletins for Hose/Line HVAC: › 06-01-38-002 › Mar › 06 › A/C - Hiss Noise From Instrument Panel2
  - Service and Repair › Evaporator Tube Replacement2 3 4 5 6 7 8
- Housing Assembly HVAC › Component Information7 pages
  - Technical Service Bulletins › A/C - HVAC Module External Seal Kit Availability
  - Service and Repair › HVAC Module Assembly Replacement2 3 4 5 6
- Refrigerant › Component Information5 pages
  - Technical Service Bulletins › A/C - Refrigerant Recovery/Recycling/Equipment2 3
  - Specifications › Capacity Specifications2
- Refrigerant Filter › Component Information12 pages
  - Technical Service Bulletins4 pages
    Customer Interest for Refrigerant Filter: › 03-01-38-019A › Sep › 04 › A/C - Underhood Rattle Noise on Hard Acceleration2
    All Technical Service Bulletins for Refrigerant Filter: › 03-01-38-019A › Sep › 04 › A/C - Underhood Rattle Noise on Hard Acceleration2
  - Service and Repair › Air Conditioning (A/C) Refrigerant Filter Installation (With RPO Code C60)2 3 4 5 6 7 8
- Refrigerant Oil › Component Information3 pages
  - Technical Service Bulletins › A/C - New PAG Oil
  - Specifications › Capacity Specifications2
- Refrigerant Pressure Sensor / Switch, HVAC › Low Pressure Sensor / Switch, HVAC › Component Information4 pages
  - Technical Service Bulletins › Air Conditioning - Diagnose A/C Low Pressure Switch2
  - Description and Operation › HVAC Systems - Manual2
- Relays and Modules - HVAC39 pages
  - Blower Motor Relay › Component Information › Technical Service Bulletins2 pages
    Customer Interest for Blower Motor Relay: › 03-01-38-015A › Oct › 08 › A/C - Blower Motor Runs After Vehicle Is Shut OFF
    All Technical Service Bulletins for Blower Motor Relay: › 03-01-38-015A › Oct › 08 › A/C - Blower Motor Runs After Vehicle Is Shut OFF
  - Compressor Clutch Relay › Component Information › Locations2 3
  - Control Module HVAC › Component Information34 pages
    Technical Service Bulletins24 pages
    Recalls: › 11046 › Apr › 11 › Campaign - HVAC Blower Not Functional Runs Continuously2 3
    Customer Interest:5 pages
    06-01-39-015A › Jan › 07 › A/C - No Rear Temp Control/Noise/DTC's B0434 or B37642 3
    06-01-38-003 › Apr › 06 › A/C - Ticking Noise From Instrument Panel/DTC's Set2
    All Technical Service Bulletins for Control Module HVAC:8 pages
    11046 › Apr › 11 › Campaign - HVAC Blower Not Functional Runs Continuously2 3
    06-01-39-015A › Jan › 07 › A/C - No Rear Temp Control/Noise/DTC's B0434 or B37642 3
    06-01-38-003 › Apr › 06 › A/C - Ticking Noise From Instrument Panel/DTC's Set2
    All Other Service Bulletins for Control Module HVAC:5 pages
    06-01-39-015A › Jan › 07 › A/C - No Rear Temp Control/Noise/DTC's B0434 or B37642 3
    06-01-38-003 › Apr › 06 › A/C - Ticking Noise From Instrument Panel/DTC's Set2
    All Other Service Bulletins for Control Module HVAC: › 11046 › Apr › 11 › Campaign - HVAC Blower Not Functional Runs Continuously2 3
    Diagrams › HVAC Control Processor - Auxiliary2 3 4
    Description and Operation › HVAC Systems - Manual2
    Service and Repair › HVAC System - Automatic2 3 4
- Sensors and Switches - HVAC41 pages
  - Ambient Temperature Sensor / Switch HVAC › Component Information3 pages
    Locations
    Diagrams › HVAC Systems - Automatic2
  - Blower Motor Switch › Component Information › Service and Repair
  - Cabin Temperature Sensor / Switch › Component Information6 pages
    Diagrams2
    Service and Repair › Inside Air Temperature Sensor Assembly Replacement2 3 4
  - Discharge Air Temperature Sensor / Switch, HVAC › Component Information22 pages
    Locations2 3 4
    Diagrams › Air Temperature Sensor - Upper Left2 3 4 5 6 7 8 9 10
    Service and Repair › Air Temperature Sensor Replacement - Upper Auxiliary2 3 4 5 6 7 8
  - Refrigerant Pressure Sensor / Switch, HVAC › Low Pressure Sensor / Switch, HVAC › Component Information4 pages
    Technical Service Bulletins › Air Conditioning - Diagnose A/C Low Pressure Switch2
    Description and Operation › HVAC Systems - Manual2
  - Solar Sensor, HVAC › Component Information › Locations2 3 4 5
- Service Port HVAC › Component Information › Locations
- Solar Sensor, HVAC › Component Information › Locations2 3 4 5
- Wiring Harness HVAC › Component Information › Technical Service Bulletins4 pages
  - Customer Interest for Wiring Harness HVAC: › 04-01-38-008 › Jun › 04 › A/C - Defaults To Defrost Mode/Poor Control2
  - All Technical Service Bulletins for Wiring Harness HVAC: › 04-01-38-008 › Jun › 04 › A/C - Defaults To Defrost Mode/Poor Control2
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