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Mr Bacchus
Spa-Francorchamps


Joined: 26 Oct 2012
Posts: 285
Location: Birtley, County Durham


PostPosted: Tue Jan 01, 2019 1:24 pm    Post subject: Anti-Roll Bar Bush Replacement Reply with quote

Happy new year!

Slightly loaded question...I have a C4, rear anti-roll bar is 18mm diameter but the replacement bushes I am trying to fit have a 15mm hole. Supplier (aftermarket) tells me this is correct and has checked stock and all are the same 15mm diameter.

I tried to fit the parts but lost the first round of the fight as I couldn’t get the clamp over the bush enough for the bolts to engage and even begin to compress the rubber.

The current bushes do have a 18mm hole but they are Superpro poly bushes that allegedly have the size for size hole due to difficult to compress the poly.

FYI - I replaced the front bushes a few days ago ( bought from OPC) and from memory the hole was same size as the bar, and that was still a fight. I didn’t measure those as there was no obvious difference - unlike he rears.

The supplier is being very helpful and has offered a refund but I’m just wondering if I buy them again direct from OPC will I get the same again.

So, do you think the parts are correct with a 15mm hole?

Thanks

Steve
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In vino veritas
MY89 964 C4 Guards Red, MY19 Evoque
 
  
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jev911uk
Trainee


Joined: 06 Mar 2011
Posts: 51
Location: Berkshire


PostPosted: Tue Jan 01, 2019 2:43 pm    Post subject: Reply with quote

I think you should use the correct size bushes as you need the bar to be able to rotate freely in the bush to allow for correct movement of the suspension under load.

The correct part number for your early C4 with an 18mm bar is:
477 411 313B

15mm sounds a bit too small tbh.
 
  
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Mr Bacchus
Spa-Francorchamps


Joined: 26 Oct 2012
Posts: 285
Location: Birtley, County Durham


PostPosted: Wed Jan 02, 2019 12:13 pm    Post subject: Reply with quote

jev911uk wrote:
I think you should use the correct size bushes as you need the bar to be able to rotate freely in the bush to allow for correct movement of the suspension under load.

The correct part number for your early C4 with an 18mm bar is:
477 411 313B

15mm sounds a bit too small tbh.


Agree with all of the above. I'm going to buy the parts from OPC and see what I get.

Cheers
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MY89 964 C4 Guards Red, MY19 Evoque
 
  
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mermade
Newbie


Joined: 12 Dec 2018
Posts: 3



PostPosted: Tue Jan 08, 2019 1:37 pm    Post subject: Reply with quote

yes get the correct bushes first, minimum size roll bar on the 964 is an 18mm, powerflex do them
 
  
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