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Bushes suspension

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#1 dacastle

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Posted 12 June 2022 - 02:17 PM

I had a new set of suspension bushes from restocounrty spares pressed into the rear suspension components

 

Has anyone had the issue where the bolts now wont fit into the new bushes

 

Is the solution simply to drill out new bushes with slightly larger drill bit ?

 

Thanks for any suggestions

 

 

 

 

 

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#2 sibhs

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Posted 12 June 2022 - 07:21 PM

I checked the bolts on mine and they wouldn't fit before pressing them in. I was advised to drill them out which was easy and all good so far.  Half inch drill bit was spot on.

 

Marty


Edited by sibhs, 12 June 2022 - 07:24 PM.


#3 Indy Orange

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Posted 12 June 2022 - 07:32 PM

That’s strange! I purchased the Mackay ones ,I would have thought those Kingswood Country ones would have been the same.



#4 dacastle

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Posted 13 June 2022 - 10:07 AM

I checked the bolts on mine and they wouldn't fit before pressing them in. I was advised to drill them out which was easy and all good so far.  Half inch drill bit was spot on.

 

Marty

Thanks Marty - will do - I didnt try them before they were pressed in



#5 dacastle

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Posted 13 June 2022 - 10:12 AM

That’s strange! I purchased the Mackay ones ,I would have thought those Kingswood Country ones would have been the same.

 

Yes I have tried all the rear suspension bolts and nearly all the bushes that been pressed in wont allow the bolts to go in .

 

I didnt hammer them in as I didnt want to damage the threads 



#6 Heath

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Posted 14 June 2022 - 09:54 AM

That is pretty shithouse if they are undersized.

 

I would just make sure it isn't a burr on the edge (countersinking tool should clean it up in 1 second) and if it's still tight, then yeah, drill it out to 1/2" as the others have said.

Pressing them in shouldn't have made any difference to the I.D. of that tube. It would have been too tight even before you installed them I imagin, if they're tight now.

 

Make sure you coat those bolts in a thin layer of copper anti-seize before insertion, particularly as you'll be losing any zinc coating that's on the crush-tubes by drilling them out.



#7 dacastle

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Posted 16 June 2022 - 01:54 PM

That is pretty shithouse if they are undersized.

 

I would just make sure it isn't a burr on the edge (countersinking tool should clean it up in 1 second) and if it's still tight, then yeah, drill it out to 1/2" as the others have said.

Pressing them in shouldn't have made any difference to the I.D. of that tube. It would have been too tight even before you installed them I imagin, if they're tight now.

 

Make sure you coat those bolts in a thin layer of copper anti-seize before insertion, particularly as you'll be losing any zinc coating that's on the crush-tubes by drilling them out.

They re definetely undersize - ran a 1/2 inch drill through and shaved off a small amount of metal all the way through on every bush



#8 Heath

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Posted 17 June 2022 - 09:57 AM

Yep. I feel that I may have actually encountered this problem with some bushes myself at one point as well.

 

Lousy, but easily overcome. Good stuff mate.



#9 Rockoz

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Posted 17 June 2022 - 11:17 AM

Probably because you cant buy imperial sized tube any more.

But you would think the manufacturer of the product would make them fit for purpose by drilling them out before being packaged and sold.

 

Cheers

 

Rob



#10 S pack

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Posted 17 June 2022 - 03:59 PM

The inner sleeves in those bushes are rolled from a piece of flat sheet so they should be made to suit.

#11 rodomo

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Posted 17 June 2022 - 10:48 PM

To be honest? I'd be happy with a bit of tappy tappy knock knock interference fit.



#12 sibhs

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Posted 28 June 2022 - 08:27 AM

Just thought I'd post up my Holden bush as a reference. Notice it a full tube.

 

Attached File  IMG_8853.jpeg   126.79K   8 downloads

 

I've also seen Mackay Bushes with rolled flat bar tube and with a tube.

 

Marty







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