Extended Cab Door Vibration

2007 Sierra Classic

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Recently purchased a 2007 Sierra Classic (old body stlye). Only 40000 km (24000 miles). This is my first extended cab. Really disappointed in the amount of vibration/noise where the suicide doors and main doors close on one another when driving over bumps. Anybody eles have this problem? Is there a fix for it?
 
Recently purchased a 2007 Sierra Classic (old body stlye). Only 40000 km (24000 miles). This is my first extended cab. Really disappointed in the amount of vibration/noise where the suicide doors and main doors close on one another when driving over bumps. Anybody eles have this problem? Is there a fix for it?

Check the strike bolt, where the door latches to the frame. There is usually a plastic roller there that may become loose, or may need replacing. Not sure the cost. Or the jaws of the door lock, where it hits the frame may be out of alingment, again not sure what the cost of replacing it would be.

The tweeters are also notorious for breaking loose from the door panel and rattling. Look behind the speaker grille on of them might be hanging. by the wires.

One of the rattles (squeak) is due to the door panel. As a quick fix, wedged a piece of paper on where the rattle is coming from and see if it goes away. Then plan on Redoing the fasteners on the door panel or running some gasket maker along the sides.

The second rattle (clunk) is coming from the side door. Take notice if it is sagging a little bit, i am assuming that it is the door pins/ bushings that are worn and will need to be replaced and other parts mentioned above. :eek:

Either way, your solution depends on wether the rattle is a squeal or a clunk. If it in fact is a rattle, them it is possible that one of your connectors is not fastened to the door or that piece that broke off is rattling around at the bottom of the door. If you suspect it is the door panel, try wedging some paper into a loose area. then you can go from there. :D
 


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