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Just a quick one...
http://www.international2cvfriends.com/forum/viewtopic.php?f=7&t=793
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Author:  Lenny [ August 29th, 2009, 12:30 pm ]
Post subject:  Just a quick one...

Morning.

I know there's tumbleweed blowing round these parts this weekend cos everybody is away getting arseholed in a field near Cambridge, but some of us have to work you know. :mrgreen:

Luckily enough though we have a plasterer coming to do the spare room on Monday so, instead of being forced to go out for the day and enjoy myself sitting in nose-tail bank holiday gridlock, I have the pleasure of a day in the garage putting Mad Cyrils back brakes back together.

To do this properly I'm intending to liberate a large torque wrench from work to do the 44mm hub nut up to the correct tightness.

So my question is this:

What is the correct torque for the rear hub nut?

Thanks for listening. :D

Author:  Russell [ August 29th, 2009, 12:46 pm ]
Post subject:  Re: Just a quick one...

The Haynes book-of-Bollocks states it should be 290 lb/f

Author:  Lenny [ August 29th, 2009, 1:16 pm ]
Post subject:  Re: Just a quick one...

Super Smashing Great.
I'll be nicking the biggest torque wrench on a short term basis then.
Ta, very much Russ. 8-)

Author:  grifftravel [ August 29th, 2009, 1:22 pm ]
Post subject:  Re: Just a quick one...

Russell wrote:
The Haynes book-of-Bollocks states it should be 290 lb/f


So it has some uses then.

I have a one metre long 3/4 drive breaker bar and when tightening said nut apply a reasonable but not enthusiastic pressure on tightening. I alway [and I mean always] fit a new nut. Never had one come off yet.

Author:  2CViking [ August 29th, 2009, 2:03 pm ]
Post subject:  Re: Just a quick one...

The reason for 30-35 kg is not to prevent it coming off. Its to get the correct preload on the inner bearings. The outside ring nut front and rear is also 30-35 kg preload on the outside bearing. Same for the drive shaft nuts.

Author:  Sean [ August 30th, 2009, 7:44 pm ]
Post subject:  Re: Just a quick one...

Lenny

Citroens own manual states 252-288ftlb 35-40Nm

which is pretty much FT with a long breaker ;)

Sean

Author:  grifftravel [ August 31st, 2009, 7:26 pm ]
Post subject:  Re: Just a quick one...

Just tried it out on a car I was working on. Using my trusty 1 metre breaker bar and a Facom socket, I tightened it sensibly. I then checked with my torque wrench and it was 260 ft/lbs [its an old torque wrench and not yet metricated]

Author:  Lenny [ August 31st, 2009, 9:47 pm ]
Post subject:  Re: Just a quick one...

I borrowed a monster torque wrench and did them up to 290lbft. Been for a quick spin and everything seems dandy.
Ta very much all.

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