Lumina V6-191 3.1L (1990)
Power Window Motor: Technical Service Bulletins
Window Regulator Motors - Manual Revision
Number:
91-288-10
Section:
10
Date:
APRIL 1991
Corporate Bulletin No.: 831075R
Subject:
FRONT DOOR WINDOW REGULATOR MOTORS
Model and Year:
1990-91 LUMINA
SERVICE UPDATE
This bulletin describes a revised procedure to replace electric window lift motors from front window regulator mechanisms in 1990-91 W style vehicles
in the following Service Manual.
ALL SECTION 10
1990 Page 10-5-29
1991 Page 10-6-40
1.
Remove regulator assembly from door.
CAUTION: STEP 2 MUST BE PERFORMED WHEN REGULATOR IS REMOVED FROM DOOR. THE REGULATOR LIFT ARM IS UNDER
TENSION FROM THE COUNTERBALANCE SPRING AND CAN CAUSE PERSONAL INJURY IF THE MOTOR IS REMOVED
WITHOUT LOCKING THE SECTOR GEAR IN POSITION.
