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 MANUALSGMC2013SIERRA DENALI AWD V8-6.2LREPAIR AND DIAGNOSISWINDOWS AND GLASSWINDOWSPOWER WINDOW MOTORBACK WINDOW MOTORSERVICE AND REPAIR
2013 GMC Sierra Denali AWD V8-6.2L
Back Window Motor: Service and Repair
2013 GMC Sierra Denali AWD V8-6.2LSECTION Service and Repair
Rear Sliding Window Module Replacement
Removal Procedure
Note:
The new rear sliding window motor/module is equipped with the bracket and relays.
1. Remove the rear sliding window lower garnish molding. Refer to Rear Window Lower Garnish Molding Replacement (Regular Cab) Rear Window Lower Garnish Molding Replacement (Regular Cab)Rear Window Lower Garnish Molding Replacement (Ext Cab/Crew Cab w/A48) Rear Window Lower Garnish Molding Replacement (Ext Cab/Crew Cab w/A48)Rear Window Lower Garnish Molding Replacement (Ext Cab/Crew Cab w/o A48) Rear Window Lower Garnish Molding Replacement (Ext Cab/Crew Cab w/o A48).
2. Cycle the rear sliding window to the fully closed position.
3. Remove the screw (1) from the rear sliding window regulator and cables (2).
4. Pull forward on the regulator and cables (2) to release it from the motor/module.
5. Remove the rear sliding window motor/module nuts (2).
6. Disconnect the rear sliding window electrical connectors from the motor/module and relays (1).
7. Remove the rear sliding window motor/module assembly from the vehicle.
Installation Procedure
1. Install the rear sliding window motor/module assembly to the vehicle.
2. Connect the rear sliding window electrical connectors to the motor/module and relays (1).
Caution:
Refer to Fastener Caution Fastener Caution.
3. Install the rear sliding window motor/module nuts (2).
Tighten nut to 10 Nm (89 lb in).
4. Install the rear sliding window regulator and cables (2) to the motor/module.
5. Install the bolt (1) to the rear sliding window regulator and cables (2).
Tighten bolt to 11 Nm (97 lb in).
6. Install the rear sliding window lower garnish molding. Refer to Rear Window Lower Garnish Molding Replacement (Regular Cab) Rear Window Lower Garnish Molding Replacement (Regular Cab)Rear Window Lower Garnish Molding Replacement (Ext Cab/Crew Cab w/A48) Rear Window Lower Garnish Molding Replacement (Ext Cab/Crew Cab w/A48)Rear Window Lower Garnish Molding Replacement (Ext Cab/Crew Cab w/o A48) Rear Window Lower Garnish Molding Replacement (Ext Cab/Crew Cab w/o A48).
7. Inspect the rear sliding window for proper operation.
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.