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+--- Thread: Front hub nut size? (/thread-11197.html)
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Front hub nut size? - jonnie100 - 16-02-2015
I'm going to be replacing my near side drive shaft later this week. (2004 2.0 hdi)
Tried to measure hub nut but can't say for sure. I borrowed a 36mm but it's to big, looks to be between 34-35mm?
I'll have to order one, can someone clarify the size please?
Thanks
RE: Front hub nut size? - pro_steve - 17-02-2015
I had the same problem, just did mine but the right size socket was missing. I think it would have been a 32 or 34mm if I had one but cant be sure. 36mm was too big. I used something like a 1"7/16 or an odd size like that and it did the job. Not very helpful I know...
RE: Front hub nut size? - Trevor - 17-02-2015
Have a look at
http://www.berlingoforum.co.uk/thread-4696.html message #3
this may help.
RE: Front hub nut size? - ffrenchie - 17-02-2015
1"7/16 is 36.5mm so 36mm would be nearest to it. 1"3/8 would be 35mm give or take.
RE: Front hub nut size? - jonnie100 - 17-02-2015
Thanks for replies. It looks like a 35mm or 1 3/8" will be the one then.
Are these cars built using a mixture of metric and imperial sizes or something??
When I replaced the front spring, the strut mount centre nut seemed to be an imperial size for a snug fit also!
RE: Front hub nut size? - Gadgetman - 17-02-2015
Hm...
What's the shaft diameter/thread size on that shaft?
On my 1999, the thread is M24, and a 36mm socket fits perfectly.
Some M20.5 nuts I have laying around seems to require a 30mm socket.
There's very few imperial size parts on a Berlingo.
(Besides the wheel rims, I have problems thinking of any)
In the linked thread there's mention of 'jumping up and down on the spanner'...
I'm lazy... I used a steel bar with two holes drilled to fit two of the lug nuts to hold the hub from rotating, then I used a socket and a long 'lazy arm', an paced the end of the arm on a jack... And jacked it loose nice and easy...
No jumping of sudden application of force that tends to push cars off of stands...
Anyways, you'll need a rather hefty torque wrench when putting the nut back on.
M20.5 nuts needs 245nm,
and M24 nuts requires 320nm.
RE: Front hub nut size? - jonnie100 - 18-02-2015
Ah, that could be a problem, my torque wrench only goes upto 150lbs/203nm.
RE: Front hub nut size? - pro_steve - 18-02-2015
Yes that was the one, 1 3/8, sorry for the confusion. That works out at 34.925, so it must be a 34 as that was a loose fit.
RE: Front hub nut size? - David_R - 09-03-2015
(18-02-2015, 09:11 AM)pro_steve Wrote: Yes that was the one, 1 3/8, sorry for the confusion. That works out at 34.925, so it must be a 34 as that was a loose fit.
This is a bit late as replys go, but:
The hub nuts, like a great deal of other PSA vehicles designed in the 90's, are all 35mm Pug 309, 306, 205, 405, Citroen ZX, Xsara, BX, Xantia etc. etc are all 35mm. you can use a 36mm socket, providing it's a 6-sided socket rather than a 12-sided one. (which is what I often do). 35mm sockets aren't that common (never in a set, only individuals) so very few people have them.
as mentioned, 1 3/8" is 34.925mm, which (In my experience) fits a treat, especially for the torque that has to be applied.
This is only true for OEM nuts of course. Some aftermarket nuts (supplied with wheel bearings or other bits 'n' bobs) have been known to be supplied with different AF sizes. Sometimes 36mm, sometimes smaller. Personally, I always re-use the OEM nut, as the ones supplied with bearings are cheap made-from-the-softest-crap-you've-ever-seen nuts, and I wouldn't trust them. They also often don't have the backing flange that the OEM nut has, which means they don't spread the load as well as they could...
RE: Front hub nut size? - jonnie100 - 09-03-2015
(09-03-2015, 11:32 AM)David_R Wrote:(18-02-2015, 09:11 AM)pro_steve Wrote: Yes that was the one, 1 3/8, sorry for the confusion. That works out at 34.925, so it must be a 34 as that was a loose fit.
This is a bit late as replys go, but:
The hub nuts, like a great deal of other PSA vehicles designed in the 90's, are all 35mm Pug 309, 306, 205, 405, Citroen ZX, Xsara, BX, Xantia etc. etc are all 35mm. you can use a 36mm socket, providing it's a 6-sided socket rather than a 12-sided one. (which is what I often do). 35mm sockets aren't that common (never in a set, only individuals) so very few people have them.
as mentioned, 1 3/8" is 34.925mm, which (In my experience) fits a treat, especially for the torque that has to be applied.
This is only true for OEM nuts of course. Some aftermarket nuts (supplied with wheel bearings or other bits 'n' bobs) have been known to be supplied with different AF sizes. Sometimes 36mm, sometimes smaller. Personally, I always re-use the OEM nut, as the ones supplied with bearings are cheap made-from-the-softest-crap-you've-ever-seen nuts, and I wouldn't trust them. They also often don't have the backing flange that the OEM nut has, which means they don't spread the load as well as they could...
I just ordered one online at the weekend, a 35mm, so glad the correct size is on the way.
I'm doing the job later this week but have a couple of questions if anybody can offer advise?
Do I need to drop the gearbox oil or is there minimal spill which I can then just drop back in again? (the oil was recently changed by previous owner so new oil is not necessary).
After a quick reccie, I can see the bottom ball joint and arb link will need undoing and strut/hub should swing aside, is there anything else to remove first? Don't want to unnecessarily disturb anything else.