[Manitcor]

Subject: Chatter/Squeal Type Noise When Side Door Windows Are Lowered (Remove Lower Lip From Inner Belt Seal Strip)


Models: 2000 Chevrolet Monte Carlo


Condition:
Some customers may comment about a chatter/squeal type noise as the windows are cycled downward. This condition may be worse in wet conditions.


Correction:
Use the following procedure to correct this condition:


Removal Procedure:
Remove the upper trim panel screw and the upper trim panel (mirror patch).
Remove the door handle bezel screw and the bezel.
Remove the door handle screws.
Remove the push-type fasteners from the inner panel. Remove the trim panel.
Remove the inner belt seal strip.
With the inner belt seal removed, use a utility knife in order to remove the lower lip from the seal.


Installation Procedure:
Install the inner belt seal strip.
Install the trim panel using the push-type fasteners.
Install the door handle screws.
Install the door handle bezel and the screw.
Install the upper trim panel (mirror patch) and the screw.


GM bulletins are intended for use by professional technicians, NOT a "do-it-yourselfer". They are written to inform these technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper service of a vehicle. Properly trained technicians have the equipment, tools, safety instructions, and know-how to do a job properly and safely. If a condition is described, DO NOT assume that the bulletin applies to your vehicle, or that your vehicle will have that condition. See your GM dealer for information on whether your vehicle may benefit from the information


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