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.
2007 Hummer H2 V8-6.0LFACTORY OEM SERVICE PROCEDURE
Control Module HVAC: Service and Repair
Blower Motor Control Processor Replacement
Removal Procedure
1. Remove the I/P insulator panel.
2. Disconnect the electrical connector (2) from the blower motor (1).
3. Disconnect the electrical connector (4) from the blower motor control processor (3).
4. Remove the screws from the blower motor control processor (3).
5. Remove the blower motor control processor (3) from the HVAC module assembly.
Installation Procedure
1. Install the blower motor control processor (3) to the HVAC module assembly.
Notice: Refer to Fastener Notice.
2. Install the screws to the blower motor control processor (3).
Tighten the screws to 1.6 N.m (14 lb in).
3. Connect the electrical connector (4) to the blower motor control processor (3).
4. Connect the electrical connector (2) to the blower motor (1).
5. Install the I/P insulator panel.
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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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