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.
2012 Chevrolet Colorado 2WD L4-2.9LFACTORY OEM SERVICE PROCEDURE
Control Assembly: Service and Repair
Heater and Air Conditioning Control Replacement
Removal Procedure
1. Remove the accessory trim plate. Refer to Instrument Panel Accessory Trim Plate Replacement Instrument Panel Accessory Trim Plate Replacement.
2. Remove the screws (7,2) from the HVAC control assembly.
3. Remove the HVAC control assembly from the instrument panel.
4. Disconnect the mode cable from the HVAC control assembly. Refer to Mode Control Cable Replacement Mode Control Cable Replacement.
5. Disconnect the temperature cable from the HVAC control assembly. Refer to Temperature Control Cable Replacement Temperature Control Cable Replacement.
6. Disconnect the HVAC control assembly electrical connectors.
7. Remove the HVAC control assembly.
Installation Procedure
1. Install the HVAC control assembly.
2. Connect the HVAC control assembly electrical connectors.
Note: Do not bend the mode and temperature cables.
3. Connect the mode cable to the HVAC control assembly. Refer to Mode Control Cable Replacement Mode Control Cable Replacement.
4. Connect the temperature cable to the HVAC control assembly. Refer to Temperature Control Cable Replacement Temperature Control Cable Replacement.
5. Install the HVAC control assembly to the instrument panel.
Caution: Refer to Fastener Caution Fastener Caution.
6. Install the HVAC control assembly screws. Tighten the screws to 1.9 Nm (18 lb in).
7. Install the accessory trim plate. Refer to Instrument Panel Accessory Trim Plate Replacement Instrument Panel Accessory Trim Plate Replacement.
Factory Service Tools
Use the Manual With the Right Hardware
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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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