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 41 (HVAC SYSTEMS - MANUAL)
2004 Oldsmobile Bravada AWD
Section 41 (HVAC Systems - Manual)
2004 Oldsmobile Bravada AWDSECTION Section 41 (HVAC Systems - Manual)
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2002 GMC Yukon XL, 2002 GMC Yukon, 2002 Chevrolet Tahoe, 2002 Chevrolet Suburban, and 2002 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
- Model Identification
- Specifications
- Description & Operation
- Notes
- A/C Cycle
- A/C Cycle With Auxiliary
- A/C Operation
- Air Distribution
- Air Distribution (Auxiliary) Control
- Air Speed (Auxiliary)
- Air Speed (Front Control)
- Engine Coolant
- Heating Operation
- HVAC Control Components
- Manual Auxiliary HVAC W/O Sunroof
- Manual Auxiliary HVAC W/Sunroof
- Manual Auxiliary W/C36 &/Or C69 Only
- RECIRCULATION Operation
- Component Location
- Adjustments
- Trouble Shooting
- Performance Tests
- System Tests
- Symptom Tests
- Notes
- Test A: Air Delivery Improper
- Test B: Air Delivery Improper (Auxiliary)
- Test C: Air RECIRCULATION Malfunction
- Test D: Blower Motor Always On
- Test E: Blower Motor Always On (Auxiliary)
- Test F: Blower Motor Inoperative
- Test G: Blower Motor Inoperative (Auxiliary)
- Test H: Blower Motor Malfunction
- Test I: Blower Motor Malfunction (Auxiliary)
- Test J: Compressor Clutch Does Not Disengage
- Test K: Compressor Clutch Does Not Engage
- Test L: Defrosting Insufficient
- Test M: Too Cold In Vehicle
- Test N: Too Cold In Vehicle (Auxiliary)
- Test O: Too Hot In Vehicle
- Test P: Too Hot In Vehicle (Auxiliary)
- Removal & Installation
- Notes
- A/C High Pressure RECIRCULATION Switch
- A/C High Pressure Switch
- A/C Low Pressure Switch
- A/C Refrigerant Filter
- Accumulator
- Air Temperature Actuators
- Air Temperature Door
- Blower Motor
- Blower Motor Resistor
- Blower Motor Switch (Auxiliary)
- Compressor
- Notes
- Removal (4.8L, 5.3L, 6.0L With Denso - Avalanche, Escalade, Suburban, Tahoe, Yukon)
- Installation (4.8L, 5.3L, 6.0L With Denso - Avalanche, Escalade, Suburban, Tahoe, Yukon)
- Removal (8.1L With Harrison - Avalanche, Escalade, Suburban, Tahoe, Yukon)
- Installation (8.1L With Harrison - Avalanche, Escalade, Suburban, Tahoe, Yukon)
- Removal (8.1L with Harrison - 3500 HD, Cab & Chassis, Sierra, Silverado)
- Installation (8.1L with Harrison - 3500 HD, Cab & Chassis, Sierra, Silverado)
- Removal (4.8L, 5.3L, 6.0L With Denso - 3500 HD, Cab & Chassis, Sierra, Silverado)
- Installation (4.8L, 5.3L, 6.0L With Denso - 3500 HD, Cab & Chassis, Sierra, Silverado)
- Removal (6.6L With Denso - 3500 HD, Cab & Chassis, Sierra, Silverado)
- Installation (6.6L With Denso - 3500 HD, Cab & Chassis, Sierra, Silverado)
- Removal (4.3L With Harrison - 3500 HD, Cab & Chassis, Sierra, Silverado)
- Installation (4.3L With Harrison - 3500 HD, Cab & Chassis, Sierra, Silverado)
- Removal (6.6L With Harrison - 3500 HD, Cab & Chassis, Sierra, Silverado)
- Installation (6.6L With Harrison - 3500 HD, Cab & Chassis, Sierra, Silverado)
- Compressor Relay
- Compressor Sealing Washers
- Condenser
- Defroster Door
- Discharge Hose
- Evaporator Core
- Evaporator Tube
- Heater Core
- Heater Door
- Heater Pipe
- HVAC Control Assembly
- Removal (All Models)
- Removal (Front Auxiliary HVAC Overhead Control) (Avalanche, Escalade, Suburban, Tahoe & Yukon)
- Removal (Rear Auxiliary - Avalanche, Escalade, Suburban, Tahoe & Yukon)
- Installation (All Models)
- Installation (Front Auxiliary HVAC Overhead Control) (Avalanche, Escalade, Suburban, Tahoe & Yukon)
- Installation (Rear Auxiliary - Avalanche, Escalade, Suburban, Tahoe & Yukon)
- HVAC Control Processor
- HVAC Module
- Mode Actuator
- O-Ring
- Orifice Tube
- Passenger Compartment Air Filter
- RECIRCULATION Actuator
- RECIRCULATION Door
- Sealing Washer
- Suction Hose
- Suction Screen
- Thermal Expansion Valve
- Torque Specifications
- Connector Identification
- 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.