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 1772 (HVAC SYSTEMS - MANUAL)
2004 Oldsmobile Bravada AWD
Section 1772 (HVAC Systems - Manual)
2004 Oldsmobile Bravada AWDSECTION Section 1772 (HVAC Systems - Manual)
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2005 Isuzu Ascender, 2005 GMC Envoy XUV, 2005 GMC Envoy XL, 2005 GMC Envoy, and 2005 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
- Specifications
- Schematic and Routing Diagrams
- Component Locator
- Diagnostic Information and Procedures
- Notes
- Scan Tool Output Controls
- Scan Tool Data List
- Scan Tool Data Definitions
- DTC B0145, B0428 or B3531: Air Flow Or Temperature Control
- DTC B0248, B0263, B0408 or B0418: Air Flow Or Temperature Control
- DTC B0414, B0424, B3761 or B3770: Air Flow Control Or Range Performance
- DTC B1375: Device Ignition 3 Circuit
- DTC P0530: Air Conditioning Refrigerant Pressure Sensor Circuit
- Symptoms - HVAC Systems - Manual
- HVAC Compressor Clutch Does Not Engage
- HVAC Compressor Clutch Does Not Disengage
- Blower Motor Always On
- Blower Motor Inoperative
- Blower Motor Malfunction
- Blower Motor Always On - Auxiliary (Body Type VIN 6)
- Blower Motor Always On - Auxiliary (Body Type VIN 3)
- Blower Motor Inoperative - Auxiliary (Body Type VIN 6)
- Blower Motor Inoperative - Auxiliary (Body Type VIN 3)
- Blower Motor Malfunction - Auxiliary (Body Type VIN 6)
- Blower Motor Malfunction - Auxiliary (Body Type VIN 3)
- Too Hot in Vehicle
- Too Cold in Vehicle
- Too Hot in Vehicle - Auxiliary
- Too Cold in Vehicle - Auxiliary
- Air Delivery Improper
- Air Delivery Improper - Auxiliary
- Air Recirculation Malfunction
- Vacuum Control System Diagnostic
- Re-Calibrating Actuators (Primary)
- Repair Instructions
- HVAC Control Module Replacement
- Air Temperature Actuator Replacement - Right
- Air Temperature Actuator Replacement - Left
- Defroster Actuator Replacement
- Mode Actuator Replacement
- Recirculation Actuator Replacement
- HVAC Control Module Replacement - Auxiliary
- Front Auxiliary Blower Motor Switch Replacement
- Air Temperature Actuator Replacement - Auxiliary
- Mode Actuator Replacement - Console
- Mode Actuator Replacement - Auxiliary
- Description and Operation
- Air Delivery Description and Operation
- Air Temperature Description and Operation
- Special Tools and Equipment
RENDER: 1.0x
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Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.