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.
2005 Chevrolet Tahoe 2WD V8-4.8L VIN VFACTORY OEM SERVICE PROCEDURE
HVAC Control Module Replacement - Auxiliary
HVAC CONTROL MODULE REPLACEMENT - AUXILIARY
REMOVAL PROCEDURE
1. Remove the right rear quarter trim panel.
2. Disconnect the electrical connectors (3,4) from the auxiliary HVAC control module (1).
3. Remove the screws from the auxiliary HVAC control module (1).
4. Remove the auxiliary HVAC control module (1) from the auxiliary HVAC module (2).
INSTALLATION PROCEDURE
1. Install the auxiliary HVAC control module (1) to the auxiliary HVAC module (2).
2. Install the screws to the auxiliary HVAC control module (1).
NOTE: Refer to Fastener Notice in Service Precautions.
Tighten the screws to 1.6 N.m (14 lb in).
3. Connect the electrical connectors (3,4) to the auxiliary HVAC control module (1).
4. Install the right rear quarter trim panel.
Factory Service Tools
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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.
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