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 862 (HVAC SYSTEMS - AUTOMATIC)REPAIR INSTRUCTIONSHVAC CONTROL MODULE REPLACEMENTINSTALLATION PROCEDURE

2004 Oldsmobile Bravada AWD

Installation Procedure

2004 Oldsmobile Bravada AWDSECTION Installation Procedure

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2003 GMC Yukon XL, 2003 GMC Yukon, 2003 Chevrolet Tahoe, 2003 Chevrolet Suburban, and 2003 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Important: The key should be in the off position when connecting the electrical connectors to ensure proper calibration.

Connect the electrical connectors to the HVAC control module.
Install the HVAC control module into the instrument panel.
NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
Install the screws to the HVAC control module.
Tighten

Tighten the screws to 1.9 N.m (17 lb in).
Install the accessory switch to the instrument panel. Refer to ACCESSORY SWITCH REPLACEMENT in INSTRUMENT PANEL, GAGES, AND CONSOLE
Install the instrument panel accessory trim plate. Refer to BEZEL REPLACEMENT - INSTRUMENT PANEL (I/P) CLUSTER in INSTRUMENT PANEL, GAGES, AND CONSOLE
Important: Do not adjust any controls on the HVAC control module while the HVAC control module is calibrating. If interrupted improper HVAC performance will result.
Start the vehicle and let run for one minute.

Fig 1: Installing HVAC Control Module
Courtesy of GENERAL MOTORS CORP.

RENDER: 1.0x

NO RELATED

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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.