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 Post subject: Noisy CV - loose nut
PostPosted: Wed Jan 01, 2014 8:20 pm 
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848cc
848cc

Joined: Mon Jan 12, 2009 11:22 pm
Posts: 389
Location: Flynn, ACT
Hello.
I've been embarrassed and annoyed driving around lately with a noisy LH driveshaft.

New year's day brought the opportunity to inspect. To my surprise, it seems that the castle nut backed itself off from the 150lb/ft until it contacted the split pin. So, not a long way at all, but enough to cause a heck of a lot of noise!
This time around, I went to the 150lb/ft, then tighter until the next split pin hole appeared.
Has anyone else had similar trouble? ie 150lb/ft not enough or nut undoes until the split pin stops it?
The whole hub assembly is brand new - ie only 12 months and 1700 miles on them.

Cheers
Matt

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 Post subject: Re: Noisy CV - loose nut
PostPosted: Thu Jan 02, 2014 7:51 am 
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Bimmer Twinky
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Joined: Mon Sep 06, 2004 4:36 pm
Posts: 8606
Location: Brisbane
It happens,
mostly they simply "settle in".
the flange , the bearings, the nut & the split-tapered collar all wear-in over a short time
& will need a little "re-tighten"
we "re-tighten" everyone-one we do after a few days of running around

edit-->
just a little trick that often helps stop the nut coming loose-->
when fitting it all up, we fit the tapered collar on backwards first,,,
tighten the whole lot up that way so the tapered collar doesn`t "Pinch-up" on the cv shaft before it pulls the bearings up tight... then undo the nut, swap the collar around the right way & re-tighten & fit the split pin.
.

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No offence intended here but--> anyone writing a book about minis 30 years ago may not have experienced such worn or stuffed-with components as we are finding these days.

You should put your heart & soul into everything you do.


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 Post subject: Re: Noisy CV - loose nut
PostPosted: Thu Jan 02, 2014 7:57 am 
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848cc
848cc

Joined: Tue Jul 19, 2005 10:29 pm
Posts: 165
Matt

I now follow the CV nut tightening advice you gave a couple of years ago....tighten everything up using a flat washer instead of the tapered one, then refit tapered washer and retorque. Works for me and a great hint, as over the years i have had CV nuts loosening off.


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 Post subject: Re: Noisy CV - loose nut
PostPosted: Thu Jan 02, 2014 8:00 am 
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848cc
848cc

Joined: Mon Jan 12, 2009 11:22 pm
Posts: 389
Location: Flynn, ACT
Thanks guys. Good to know!

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