Envoy 4WD V8-5.3L VIN P (2004): Heating and Air Conditioning

Also for this vehicle: Envoy 2WD L6-4.2L (2008), Envoy 2WD L6-4.2L VIN S (2002), Envoy 2WD V6-4.3L VIN W (1998), Envoy 2WD V8-5.3L (2007), Envoy 2WD V8-5.3L VIN M (2005), Envoy 2WD V8-5.3L VIN P (2004), Envoy 4WD L6-4.2L (2008), Envoy 4WD L6-4.2L VIN S (2003), Envoy 4WD V6-4.3L VIN W (1998), Envoy 4WD V8-5.3L (2007), Envoy 4WD V8-5.3L VIN M (2005).

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
- Accumulator HVAC › Component Information › Service and Repair2
- Air Door, HVAC › Air Door Actuator / Motor, HVAC › Component Information47 pages
  - Locations › HVAC System - Automatic2 3 4 5 6 7 8 9
  - Diagrams › HVAC System - Automatic2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
  - Description and Operation › HVAC System - Manual2
  - Service and Repair › HVAC System - Automatic2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
- Air Duct › Component Information › Service and Repair › Air Distribution Ducts2 3 4 5 6 7 8 9
- Air Register › Component Information › Service and Repair › Instrument Panel2 3 4 5 6 7 8
- Ambient Temperature Sensor / Switch HVAC › Component Information15 pages
  - Locations2 3 4 5 6 7 8 9
  - Service and Repair › Ambient Air Temperature Sensor Replacement2 3 4 5 6
- Auxiliary Water Pump › Component Information › Technical Service Bulletins22 pages
  - Customer Interest for Auxiliary Water Pump: › 05-01-37-002A › Nov › 05 › A/C - Poor Rear Heater Performance2 3 4 5 6 7 8 9 10 11
  - All Technical Service Bulletins for Auxiliary Water Pump: › 05-01-37-002A › Nov › 05 › A/C - Poor Rear Heater Performance2 3 4 5 6 7 8 9 10 11
- 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…37
- 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
- Blower Motor Resistor › Component Information8 pages
  - Technical Service Bulletins6 pages
    Customer Interest for Blower Motor Resistor: › 05-01-38-012C › Nov › 06 › A/C - Blower Motor Inop. or Works On Low Speed Only2 3
    All Technical Service Bulletins for Blower Motor Resistor: › 05-01-38-012C › Nov › 06 › A/C - Blower Motor Inop. or Works On Low Speed Only2 3
  - Service and Repair › Assembly Replacement2
- Blower Motor Switch › Component Information6 pages
  - Locations2 3 4
  - Service and Repair › HVAC System - Manual2
- Cabin Air Filter › Component Information › Locations
- Cabin Temperature Sensor / Switch › Component Information › Locations2 3
- Cabin Ventilation Duct › Component Information › Service and Repair
- Cabin Ventilation Grille › Component Information › Service and Repair
- Compressor HVAC › Compressor Clutch › Component Information › Specifications2 3
- Compressor Clutch Relay › Component Information › Service and Repair
- Condenser HVAC › Component Information › Service and Repair2 3
- Control Assembly, HVAC › Component Information31 pages
  - Technical Service Bulletins6 pages
    Customer Interest: › 04-08-45-010 › Sep › 04 › Electrical - Intermittent Interior Electrical Concerns2
    All Technical Service Bulletins for Control Assembly:3 pages
    04-08-45-010 › Sep › 04 › Electrical - Intermittent Interior Electrical Concerns2
    04-01-37-001 › Jan › 04 › A/C - Control Knob Replacement Availability
    All Other Service Bulletins for Control Assembly: › 04-01-37-001 › Jan › 04 › A/C - Control Knob Replacement Availability
  - Diagrams › HVAC System - Manual2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
  - Description and Operation › HVAC System - Manual2
  - Service and Repair › HVAC System - Automatic2 3 4 5 6
- Control Module HVAC › Component Information9 pages
  - Technical Service Bulletins6 pages
    Customer Interest: › 05-01-39-002A › Mar › 06 › A/C - Musty Odors On Start Up2
    All Technical Service Bulletins:3 pages
    05-01-39-002A › Mar › 06 › A/C - Musty Odors On Start Up2
    04-01-38-005 › Mar › 04 › A/C - Control Module Memory Functions
    All Other Service Bulletins for Control Module HVAC: › 04-06-02-005 › Jul › 04 › Engine Controls - Above Normal Temp. Gauge Readings
    All Other Service Bulletins for Control Module HVAC: › 04-06-02-005 › Jul › 04 › Engine Controls - Above Normal Temp. Gauge Readings
  - Service and Repair › Control Module HVAC2 3
- Coupler HVAC › A/C Coupler O-ring › Component Information › Service and Repair › Sealing Washer2 3 4
- Evaporator Core › Component Information15 pages
  - Technical Service Bulletins10 pages
    Customer Interest for Evaporator Core:5 pages
    99-01-39-004C › Jun › 09 › A/C - Musty Odors Emitted From (HVAC) System2 3
    05-01-39-002A › Mar › 06 › A/C - Musty Odors On Start Up2
    All Technical Service Bulletins for Evaporator Core:5 pages
    99-01-39-004C › Jun › 09 › A/C - Musty Odors Emitted From (HVAC) System2 3
    05-01-39-002A › Mar › 06 › A/C - Musty Odors On Start Up2
  - Service and Repair › Evaporator Core - Auxiliary2 3 4 5
- Expansion Block/Orifice Tube › Component Information › Service and Repair › Evaporator Block2 3 4 5
- Expansion Valve › Component Information › Service and Repair2
- Heater Control Valve › Component Information › Diagrams2 3 4
- Heater Core › Component Information7 pages
  - Technical Service Bulletins › Cooling System, A/C - Aluminum Heater Cores/Radiators2 3
  - Service and Repair › Heater Case/Cover Replacement2 3 4
- Heater Hose › Component Information › Service and Repair › Heater Hose - Inlet2 3 4 5
- Hose/Line HVAC › Component Information13 pages
  - Technical Service Bulletins4 pages
    Customer Interest for Hose/Line HVAC: › 04-01-39-006B › Jun › 05 › A/C - Noise/Vibration When Compressor Cycles2
    All Technical Service Bulletins for Hose/Line HVAC: › 04-01-39-006B › Jun › 05 › A/C - Noise/Vibration When Compressor Cycles2
  - Service and Repair › Compressor Hose Assembly2 3 4 5 6 7 8 9
- Housing Assembly HVAC › Component Information › Service and Repair › HVAC Module Assembly Replacement2 3 4 5 6 7 8 9 10
- Refrigerant › Component Information5 pages
  - Technical Service Bulletins › A/C - Refrigerant Recovery/Recycling/Equipment2 3
  - Specifications › Capacity Specifications2
- 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 Information7 pages
  - Locations2 3 4 5
  - Description and Operation › HVAC System - Manual2
- Refrigerant Temperature Sensor › Component Information › Service and Repair
- Relays and Modules - HVAC12 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 › Service and Repair
  - Control Module HVAC › Component Information9 pages
    Technical Service Bulletins6 pages
    Customer Interest: › 05-01-39-002A › Mar › 06 › A/C - Musty Odors On Start Up2
    All Technical Service Bulletins for Control Module HVAC:3 pages
    05-01-39-002A › Mar › 06 › A/C - Musty Odors On Start Up2
    04-01-38-005 › Mar › 04 › A/C - Control Module Memory Functions
    All Other Service Bulletins for Control Module HVAC: › 04-01-38-005 › Mar › 04 › A/C - Control Module Memory Functions
    Service and Repair › Control Module HVAC2 3
- Sensors and Switches - HVAC35 pages
  - Ambient Temperature Sensor / Switch HVAC › Component Information15 pages
    Locations2 3 4 5 6 7 8 9
    Service and Repair › Ambient Air Temperature Sensor Replacement2 3 4 5 6
  - Blower Motor Switch › Component Information6 pages
    Locations2 3 4
    Service and Repair › HVAC System - Manual2
  - Cabin Temperature Sensor / Switch › Component Information › Locations2 3
  - Refrigerant Pressure Sensor / Switch, HVAC › Low Pressure Sensor / Switch, HVAC › Component Information7 pages
    Locations2 3 4 5
    Description and Operation › HVAC System - Manual2
  - Refrigerant Temperature Sensor › Component Information › Service and Repair
  - Solar Sensor, HVAC › Component Information › Locations2 3
- Solar Sensor, HVAC › Component Information › Locations2 3
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