2003 Chevy Trailblazer drivers window regulator

LAURA GOEDRICH

MEMBER
2003 CHEVROLET TRAILBLAZER

Other Category problem
2003 Chevy Trailblazer Engine Size unknown Two Wheel Drive Automatic 30500 miles

all but one of the window regulators have gone out the third is the drivers- I don't want to spend another 550 to repair- how do I change regulator without screwing up all the windows?

1 Reply

DENNYP

MECHANIC
1,824 POSTS

Front Side Door Window Regulator Replacement
Removal Procedure
Remove the door trim panel. Refer to Trim Panel Replacement - Side Front Door .
Remove the speaker. Refer to Speaker Replacement - Front Door in Entertainment.
Remove the water deflector. Refer to Water Deflector Replacement - Front Door .
Loosen the regulator window carrier bolts.
Raise and support the window.

Disconnect the electrical connector from the regulator motor.
Loosen the upper 2 bolts that retain the regulator assembly to the door.
Remove the remaining 3 bolts that retain the window regulator assembly and the motor to the door.
Lift the regulator assembly upward in order to release the upper 2 bolts.
Rotate the upper portion of the regulator assembly forward.
Beginning with the lower portion, remove the regulator assembly through the door opening.
Place the regulator assembly on a prepared surface.
Remove the upper 2 bolts from the regulator assembly.
Installation Procedure

Partially install the upper 2 bolts to the regulator assembly.
Beginning with the upper portion, install the regulator assembly through the door opening in a semi-horizontal position.
Position the regulator assembly fully forward into the door cavity.
Rotate the regulator assembly to a vertical position.
Lower and hang the regulator assembly onto the door sheet metal using the upper 2 bolts that were previously installed.
Notice: Refer to Fastener Notice in Cautions and Notices.

Install the bolt that retains the motor to the door.
Tighten
Tighten bolts to 9 N� m (80 lb in).

Install the remaining bolts that retain the regulator assembly to the door.
Tighten
Tighten bolts to 10 N� m (88 lb in).

Connect the electrical connector to the regulator motor.
Remove the window support and lower the window onto the regulator window carrier.
Loosely tighten the regulator window carrier bolts.
Operate the window upward to the full up position, ensuring the window remains in the run channels.
Tighten
Tighten the regulator window carrier bolts to 10 N� m (88 lb in).

Install the water deflector. Refer to Water Deflector Replacement - Front Door .
Install the speaker. Refer to Speaker Replacement - Front Door in Entertainment.
Install the door trim panel. Refer to Trim Panel Replacement - Side Front Door .