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.
2009 Hummer H2 V8-6.2LFACTORY OEM SERVICE PROCEDURE
Back Window Regulator: Service and Repair
Midgate Window Regulator Replacement
Removal Procedure
1. Remove the midgate inner panel. Refer to Midgate Inner Panel Replacement ().
2. Remove the midgate window. Refer to Midgate Window Replacement (Removal and Replacement).
3. Remove the nuts retaining the window regulator to the midgate.
4. Slide the window regulator assembly to one side of the structure.
5. Disconnect the midgate window regulator electrical connector.
6. Remove the regulator from the midgate. A slight twisting motion is required for removal.
Installation Procedure
1. Install the window regulator to the midgate.
2. Connect the window regulator electrical connector.
Caution: Refer to Fastener Caution (Fastener Caution).
3. Install the nuts retaining the window regulator to the midgate.
Tighten the window regulator nuts to 25 Nm (18 lb ft).
4. Install the midgate window. Refer to Midgate Window Replacement (Removal and Replacement).
5. Inspect and adjust the midgate window alignment to the weatherstrip channel. Refer to Midgate Window Replacement (Removal and Replacement).
6. Install the midgate inner panel. Refer to Midgate Inner Panel Replacement ().
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.