Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSOLDSMOBILE2004BRAVADA AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 32 (HVAC SYSTEMS - MANUAL)
2004 Oldsmobile Bravada AWD
Section 32 (HVAC Systems - Manual)
2004 Oldsmobile Bravada AWDSECTION Section 32 (HVAC Systems - Manual)
WARNING: This page is about a different car, the 2002 GMC Savana Special, 2002 GMC Savana Camper Special, 2002 GMC Savana, and 2002 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.
- Model Identification
- Specifications
- Description
- Operation
- Component Locations
- Trouble Shooting
- Performance Tests
- System Tests
- Symptom Tests
- Notes
- Test A: Air Delivery Improper
- Test B: Air Delivery Improper - Cargo Van With Auxiliary HVAC
- Test C: Air Delivery Improper - Passenger Van With Auxiliary HVAC
- Test D: Blower Motor Always On
- Test E: Blower Motor Inoperative
- Test F: Blower Motor Malfunction
- Test G: Blower Motor Always On - With Auxiliary Heater Only Or Cargo Van With Auxiliary HVAC
- Test H: Blower Motor Always On - Passenger Van With Auxiliary HVAC
- Test I: Blower Motor Inoperative - Auxiliary
- Test J: Blower Motor Malfunction - Auxiliary
- Test K: Compressor Clutch Does Not Disengage
- Test L: Compressor Clutch Does Not Engage - 6.5L Diesel
- Test M: Compressor Clutch Does Not Engage - Except 6.5L Diesel
- Test N: Defrosting Insufficient
- Test O: Too Cold In Vehicle
- Test P: Too Cold In Vehicle - Cargo Van With Auxiliary HVAC
- Test Q: Too Cold In Vehicle - Cargo Van With Auxiliary Rear Heater
- Test R: Too Cold In Vehicle - Passenger Van With Auxiliary HVAC
- Test S: Too Hot In Vehicle
- Test T: Too Hot In Vehicle - Cargo Van With Auxiliary HVAC
- Test U: Too Hot In Vehicle - Cargo Van With Auxiliary Rear Heater
- Test V: Too Hot In Vehicle - Passenger Van With Auxiliary HVAC
- Removal & Installation
- Notes
- Accumulator
- Actuators
- Removal & Installation (Front Air Temperature Actuator)
- Removal & Installation (Lower & Upper Front Mode Actuators)
- Removal & Installation (Front Air Recirculation Door Actuator)
- Removal & Installation (Defroster Door Actuator)
- Removal & Installation (Auxiliary Air Temperature Actuator)
- Removal & Installation (Auxiliary Mode Actuator)
- Auxiliary HVAC Control Processor
- Blower Motor Sound Insulator Cover
- Blower Motors
- Compressor
- Compressor Hose
- Condenser
- Evaporator Cores
- Front Auxiliary Blower Switch
- Front Auxiliary HVAC Control Assembly
- Heater Core
- High Pressure Cut-Off Switch & Pressure Relief Valve
- Main HVAC Control Assembly
- Mode Doors
- Orifice Tube
- Rear Auxiliary HVAC Control Assembly
- Refrigerant Filter
- Refrigerant Suction Screen
- Thermal Expansion Valve
- Vacuum Reservoir Tank
- Torque Specifications
- Connector Identification
- Vacuum Hose Diagram(S)
- Wiring Diagrams
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.