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 MANUALSCHEVROLET2006SUBURBAN C2500, 6.0 UREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 722 (HVAC SYSTEMS - MANUAL)REPAIR INSTRUCTIONSHVAC CONTROL MODULE REPLACEMENTINSTALLATION PROCEDURE
2006 Chevrolet Suburban C2500, 6.0 U
Installation Procedure
2006 Chevrolet Suburban C2500, 6.0 USECTION Installation Procedure
WARNING: This page is about a different car, the 2006 GMC Sierra, 2006 GMC Cab & Chassis Sierra, 2006 Chevrolet Silverado, and 2006 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
- Connect the electrical connectors to the HVAC control assembly.
- Install the HVAC control assembly.
- Install the accessory switch assembly to the instrument panel. Refer to Accessory Switch Replacement in Instrument Panel, Gages, and Console.
- Install the screws from the HVAC control assembly.
Tighten: Tighten the screws to 1.9 N.m (17 lb in).
- Install the instrument panel storage tray.
- Install the instrument cluster trim plate bezel. Refer to Bezel Replacement - Instrument Panel (I/P) Cluster in Instrument Panel, Gages, and Console.
- Start the vehicle and let run for one minute.
IMPORTANT:
The Key should be in the off position when connecting the electrical connectors to ensure proper calibration.
NOTE:
Refer to FASTENER NOTICE
in Cautions and Notices.
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.
If interrupted improper HVAC performance will result.
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.