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> Top mount bearing, symptoms of bad top mount
peter79
post 22nd June 2017 15:52
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Hi guys smile.gif

I have a feeling the top mount bearings are failing..

Whats the best way to tell if they are dead without taking everything apart?

I get the clunky knocks when hit small holes or driving on bad roads. And when pulling away from a stop.

The sound comes from both sides.






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dante giacosa
post 26th June 2017 12:16
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the bearing is really just a plastic ring- are you sure it is that, Peter..?

How about anti roll bar drops links, of track road ends of CV joints..?

before even the shocks themselves..?
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peter79
post 26th June 2017 16:35
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QUOTE(dante giacosa @ 26th June 2017 12:16) *
the bearing is really just a plastic ring- are you sure it is that, Peter..?

How about anti roll bar drops links, of track road ends of CV joints..?

before even the shocks themselves..?



The drop links are new, replaced a month ago. I will replace the wishbones next week to see if that helps.

Could it be the bushes in the anti roll bar on the subframe?
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sanitary
post 26th June 2017 19:51
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check anti-roll bar bushes as thia sounds like the problem



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Ganz
post 26th June 2017 22:38
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Not an expert but I've got a very clunky feel on my 147 and when I looked at the drop links they are in a bad state. My suspension bearings were 20 years old but were still doing a good job so maybe yours is something else. On mine the ARB drop link bushes were shot to bits (have a look at my thread).

This post has been edited by Ganz: 26th June 2017 22:51


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peter79
post 27th June 2017 04:45
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QUOTE(Ganz @ 26th June 2017 22:38) *
Not an expert but I've got a very clunky feel on my 147 and when I looked at the drop links they are in a bad state. My suspension bearings were 20 years old but were still doing a good job so maybe yours is something else. On mine the ARB drop link bushes were shot to bits (have a look at my thread).


Anti roll bar bushes is my fear too. That means i need to to take the front subframe off, right?
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langers
post 30th June 2017 19:33
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A tell tale of top mounts is creaking when turning whilst stationary.


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Ganz
post 4th July 2017 20:46
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QUOTE(peter79 @ 27th June 2017 05:45) *
Anti roll bar bushes is my fear too. That means i need to to take the front subframe off, right?


Don't think it will be anti roll bar bushes. As old as mine were they were ok after 20 years. It was the drop link rubber bushes on the end of the front arb bar that were shot to bits. You don't have to drop the subframe for that. Dropping the front subframe is not that bad a job. I'd go as far as saying it was enjoyable. Exhaust off, gear lever mount, gearbox mount, wishbone ball joint detached, handbrake, ARB drop links unbolted, handbrake cables, subframe bolts and it's off.

This post has been edited by Ganz: 4th July 2017 20:48


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