TrailBlazer 2WD V8-6.0L (2009)
Front Door Window Regulator: Service and Repair
Front Side Door Window Regulator Replacement
Removal Procedure
1. Remove the door trim panel. Refer to Front Side Door Trim Panel Replacement (See: Front Door Panel/Service and Repair).
2. Remove the speaker. Refer to Radio Front Side Door Speaker Replacement (See: Accessories and Optional Equipment/Radio, Stereo, and
Compact Disc/Speaker/Service and Repair/Radio Front Side Door Speaker Replacement).
3. Remove the water deflector. Refer to Front Side Door Water Deflector Replacement (See: Front Door Panel/Service and Repair).
4. Loosen the regulator window carrier bolts (1).
5. Raise and support the window.
6. Disconnect the electrical connector from the regulator motor.
7. Loosen the upper 2 bolts that retain the regulator assembly to the door.
8. Remove the remaining 3 bolts that retain the window regulator assembly and the motor to the door.
9. Lift the regulator assembly upward in order to release the upper 2 bolts.
10. Rotate the upper portion of the regulator assembly forward.
11. Beginning with the lower portion, remove the regulator assembly through the door opening.
12. Place the regulator assembly on a prepared surface.
13. Remove the upper 2 bolts from the regulator assembly.
Installation Procedure
1. Partially install the upper 2 bolts to the regulator assembly.
2. Beginning with the upper portion, install the regulator assembly through the door opening in a semi-horizontal position.
3. Position the regulator assembly fully forward into the door cavity.
4. Rotate the regulator assembly to a vertical position.
5. Lower and hang the regulator assembly onto the door sheet metal using the upper 2 bolts that were previously installed.
Caution: Refer to Fastener Caution (See: Service Precautions/Vehicle Damage Warnings/Fastener Caution).
6. Install the bolt that retains the motor to the door.
Tighten bolts to 9 Nm (80 lb in).
7. Install the remaining bolts that retain the regulator assembly to the door.
Tighten bolts to 10 Nm (88 lb in).