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Windows - Chatter/Squeal Type Noise When Lowered

File In Section: 08 - Body and Accessories

Bulletin No.: 99-08-64-020

Date: October, 1999

TECHNICAL

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

1. Remove the upper trim panel screw and the upper trim panel (mirror patch).

2. Remove the door handle bezel screw and the bezel.

3. Remove the door handle screws.

4. Remove the push-type fasteners from the inner panel. Remove the trim panel.

5. Remove the inner belt seal strip.

6. With the inner belt seal removed, use a utility knife in order to remove the lower lip from the seal.

Installation Procedure

1. Install the inner belt seal strip.

2. Install the trim panel using the push-type fasteners.

3. Install the door handle screws.

4. Install the door handle bezel and the screw.

5. Install the upper trim panel (mirror patch) and the screw.

Warranty Information

For vehicles repaired under warranty, use:

Labor Labor
Operation Description Time

C0120 Front Door Inner Belt Sealing (RH) - 0.4 hr
R&R or Replace
C0121 Front Door Inner Belt Sealing (LH) - 0.4 hr
R&R or Replace