Causes of Slow Moving Window

WARNING: This page is about a different car, the 2006 Buick LaCrosse and 2006 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.

IMPORTANT: Owners may comment that the windows operate slowly when going up or down.

Listed below are conditions that may cause a slow moving window.
- The window run channel outboard lip at the rear of door frame.
- The window is not seated in the run channel.
- The window is misaligned in the opening.
- The regulator is misaligned causing misalignment of the window.
After inspecting the conditions above, do the following:
Remove the rear door trim panel. Refer to Trim Panel Replacement - Side Rear Door .
Remove the rear door water deflector. Refer to Water Deflector Replacement - Rear Door .

Fig 1: View Of Window Guide

Courtesy of GENERAL MOTORS CORP.

Ensure that the window guide to is fully seated and clipped.
Ensure that the window is fully seated in the window guide run channel.
Inspect the window for equal distance between the front and rear run channels.
Inspect the power window motor for being loose.
Inspect the window for alignment.