Operation CHARM: Car repair manuals for everyone.

Noisy/Rattles

Comments of Lifter Arms Rattle, Glass Panel Rattles, Excessive Vertical Play at Rear of Glass.

Rattles and looseness at the rear of the glass panel when in the closed position may be caused by looseness in the lifter arm linkages. This condition can be caused by mispositioned or improperly bent glass panel mounting brackets. If pushing up on the rear of the glass panel results in more than 1/8" of movement or causes a "clunking" noise, use the following procedure to reduce glass panel movement:

1. Remove the glass panel and turn upside down on a clean, non-abrasive surface.

Figure 1 - Glass Panel Rattle - Bracket Alignment:




2. Using pliers or channel locks, bend the six panel attaching brackets so they are 90" to the glass panel surface. Refer to Figure 1.
3. Reinstall and adjust the glass panel.

Operate the sunroof to ensure proper functioning. If the mounting brackets are bent too far during the above procedure, two conditions may occur: 1) the sunroof may operate slowly due to increased friction; 2) the track may interfere with the lifter arms when closing from vent position causing a loud popping noise. To repair these conditions use the following procedure: