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duncan-uk

Thread loc question. Do bolts come pre treated?

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So just ordered some new hub bearings  as I’m rebuilding the aluminium hub carrier on my e39. 

 

They're mehyle ones and the bolts come with a red substance on the threads. 

 

These bolts need thread lock so am incorrect that these are pre-treated or is it something else?

 

Link here

 

https://rover.ebay.com/rover/0/0/0?mpre=https%3A%2F%2Fwww.ebay.co.uk%2Fulk%2Fitm%2F372766260560

 

 

 

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That will be the pre applied thread lock.

 

I had the same red stuff on my E60 front bearing/hub bolts.  The four bolts standing on their heads behind the hub in pic below.  Just fit them and torque them up.

 

DSCN0053.jpg

 

 

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