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Guest
Posts: n/a
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A-arm bushings - "Silent blocks" - need help
As some of you might remember I have this annoying shaking in the steering wheel. It has developed into a saga which is driving me nuts.
However recently I got an e-mail from a German guy who is into VW Beetles. He suggested that the socalled "silent blocks" in the a-arms are tired due to age and could be contributing to the steering wheel shaking. He explained that those are the bushings that connects the a-arm to the frame. I have looked in my Haynes manual without finding any parts matching that description. Could someone please tell me exactly where to find these "silent blocks" bushings? Or even better; if someone has a drawing/picture that shows the front suspension setup in parts I'd be glad if you could e-mail it or post it here. |
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06-05-2001, 01:14 AM
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Senior Member
Join Date: Nov 2000
Location: Stuttgart FRG
Posts: 2,307
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Hello
The beatle uses the front sway bar as a guiding axle link and has mauch problems on worn rubber. The Porsche has long A-arms witch will only react under acceleration and hard braking. The rubber bushings are vulcanized onto the axle tube. The frontend has also the housing vulcanized into it. The rear rubber sits in the aluminium crossbar. Ways to go: Consult an Porsche mechanic who knows the 911 like his key fob. Give him some time to track down the problem. Grüsse |
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06-05-2001, 08:36 AM
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Registered
Join Date: Dec 1999
Location: TX USA
Posts: 9,804
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Mikkel,
The following is a series of scans from last year's Excellence magazine's tech column, which address wear of the front A-arm bushings. If you copy the drawing, then open it in an image editor/viewer like Irfanvew, and enlarge it, you will be able to see the A-arm details.     ------------------ Warren Hall 1973 911S Targa |
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06-05-2001, 01:07 PM
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Thanks guys.
The text states that one needs to replace the a-arm in case the bushings are bad because they aren't sold seperately. Can that really be true? |
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06-06-2001, 03:30 AM
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Registered
Join Date: Dec 1999
Location: TX USA
Posts: 9,804
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Mikkel,
That is the official factory policy and position! However, we do now have the option of replacing worn bushings ... poly-graphite replacements have been available for several years, and hopefully, soon, the rubber Neatrix bushings will be avilable for the front control arms as well. ------------------ Warren Hall 1973 911S Targa |
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06-06-2001, 05:13 AM
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