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.
2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6FACTORY OEM SERVICE PROCEDURE
HVAC Control Module Replacement
WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
| Callout | Component Name |
|---|---|
| 1 | Instrument Panel Accessory Trim Bezel Refer to Instrument Panel Accessory Bezel Replacement (with U61) or Instrument Panel Accessory Bezel Replacement (without U61) . |
| 2 | HVAC Control Assembly Screw (Qty: 4)
CAUTION:
Refer to Fastener Caution
.
Tighten: 1.5 N.m (13 lb in) |
| 3 | HVAC Control Assembly Procedure: Reprogram the HVAC control module. Refer to Control Module References . |
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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