Some owners of a 2007-08 fullsize pickup or utility may comment that the front door glass makes a squeak noise when operated up or down. It may sound like the door glass squeaking on the run channels or belt molding. GM Engineering has found the noise is caused by a lack of lubrication on the door glass regulator rails.
To correct this concern, brush a light amount of Lubriplate (GM part number 1052196 (Canada 5264008) 14 oz. can) onto the entire length of both regulator rails (fig. 14).
TIP: Remove the regulator from the door to properly apply the lube.
Perform this procedure to both front doors. Cycle the window up and down to distribute the lube and verify the noise is corrected.
- Thanks to Jim Will
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