Another squeak fixed : The seat - Alfa Romeo Forum
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(Post Link) post #1 of 1 Old 15-05-11 Thread Starter
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Join Date: May 2007
Location: United Kingdom
County: Bedfordshire
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Another squeak fixed : The seat

Like many, my seat squeaked badly.

A few months ago I took it out and working on a comment in these forums looked for a squeaky spring. However, the backrest does not have any springs, just a metal frame and foam. On that occasion I guessed the old glue holding the foam in place to the metal was aged and I re-gued the foam to the frame. Didn't work.

Tried again today and fixed it. Properly.

In my case the seat would squeak when driving but only if there was pressure on the backrest. If I leant forward and took all weight off the backrest, it didn't squeak at all - so it was clear it was nothing to do with the squab or the runners.

With the seat out of the car, I removed the backrest covering and with the assistance of my wife to listen, we isolated the squeak to the very base of the backrest. The backrest facing the rear seats is a flat sheet of steel and at the base of the backrest in particular is a curved round frame welded at each end to the vertical frames. Peeling back the foam revealed that the sheet metal is pop riveted to the frame. One of the rivets at the base had fractured and some of the others were looking like they were stretched and close to failing. The totally failed rivet and the loose ones were allowing the metal parts to move against each other.

Once I saw this, the fix was easy. One at a time I drilled out all the rivets holding the sheet metal to the frame ( 4 at the base and two near the top ), enlarged the holes and stuffed in fatter, stronger new rivets. Standard rivets looked like 3.2mm and I replaced them with 4.8mm. I also took the opportunity to insert some heavy duty polythene between the metal parts as a lubrication layer before the rivet went in.

That's it, job done. One squeak free seat.

Hope that helps someone else.

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