| [ Total Views: 5072 | Total Replies: 32 | Thread Id: 60913 ] |
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 Baja Wes
Bishop of Volkswagenism
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 posted on March 3rd, 2007 at 05:44 PM |
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My rear axle nut came off last night...
This all happened on the way to a party. I was driving along and started getting a weird vibration noise from the left rear tyre when decelerating.
Hmmm, that's odd I thought. Then the rear end felt just a little loose on change of direction. Then when slowing down for traffic lights I could hear
a rattle like noise in the rear wheel.
I wasn't far from my parents house, so I dropped my car there for the night and borrowed my mums car.
Then I went back today to pull the rear wheel off and figure out what was going on. When I removed the wheel I had found the axle nut and stub axle
had sheared off!!! :o :o :o
All I can say is, lucky I have rear disc brakes. The rear caliper held the disc onto the stub axle (despite the missing nut). If I had of had drum
brakes my whole rear wheel would've come off!
[ Edited on 3-3-2007 by Baja Wes ]
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penguin
A.k.a.: Chris
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ackkkkkk thhhhhpt!
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| posted on March 3rd, 2007 at 05:50 PM |
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Muddaf####!!!!!!
lucky bugger, damn thats gotta hurt. Good thing that you made it out without a prang.
'Ah, whatever................'
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dangerous
A.k.a.: Dave Butler Muffin Man
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| posted on March 3rd, 2007 at 05:56 PM |
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Oohh! Scarey.
I have seen this once before on a type three.
Ever since then I crack test mine with extra attention at the thread base.
Can be due to over tensioning.
I use factory specs and always use lube on the thread and nut face.
| Quote: | Originally
posted by westi
That's mad Alan.
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11CAB
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| posted on March 3rd, 2007 at 05:56 PM |
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You can tell by the style of fracture marks on the break that it was directly attributed to the V6 engine.....:P
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VDUBXTC
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| posted on March 3rd, 2007 at 06:00 PM |
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got to be glad you had the discs wes.
That could have spelt some nasty trouble if it came off while you were on the road travelling.
Time to check the axle on the other side now?
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MickH
A.k.a.: Michael Hutchinson
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| posted on March 3rd, 2007 at 08:55 PM |
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OUCH:cry
tssnq.com.au
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Anthiron
A.k.a.: Nicko McKay
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| posted on March 3rd, 2007 at 10:53 PM |
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had that happen to me, except my drum did come off and it was rather nasty. my axle didnt shear the split pin had somehow gotten loose and the nut
loosened itself.
lucky you wes, could have been a lot worse off.
62/60 model bug eye baja bug, (Full Build in Progress)
1974 Chevrolet Luv
1970 MK2 Ford Cortina GT
1979 Yamaha RX125 Two Stroke tracker project.
2004 Harley Davidson Sportster XL Custom
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aussiebaja
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| posted on March 4th, 2007 at 01:46 PM |
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i dont know you blokes are just too rough on your vehicles
BETTER TO BE THOUGHT A FOOL THAN TO OPEN YOUR MOUTH AND REMOVE ALL DOUBT:puke
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remm340912
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| posted on March 4th, 2007 at 02:50 PM |
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jesus! you had good luck and rotten luck at the same time on that one
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shaihulud
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| posted on March 4th, 2007 at 04:17 PM |
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I've never had a wheel nearly come off like that, but I had a wheel nearly come off once .
In 2000 I set up my buggy for a big trip up The Great Central Road from Laverton to Alice Springs. I drove to Kalgoorlie with the rear end sort of
feeiling a bit odd, but I couldn't find anything untoward. I Kalgoorlie I drove around town shopping all morning getting last minute stuff and the
rear end felt even odder. While leaving a car park the rear end collapsed when I lost 4 wheel bolts at once. The rear wheel was being held on with one
very loose bolt. I found the others nearby in a small cluster. It was all the result of not tightening the wheel nuts correctly. What scares me is
that the wheel could have come off at speed on the highway or later on the gravel.
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tassupervee
A.k.a.: Knob Jockey
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That really hurts doesnt it!
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| posted on March 4th, 2007 at 07:16 PM |
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Those pesky axle nuts loosen up endlessly on some Formula Vees but not on others????????? Go figure.
I know my own car has loosened the axle nuts on a couple of occasions.
I use my Torquemeister tool and a 3/8" drive tension wrench and tighten up as per what Dave mentioned.
L8tr
E
Im not a complete idiot, quite a few parts are missing....
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Baja Wes
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| posted on March 4th, 2007 at 07:52 PM |
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I always lube the nut face and threads, but I have been doing the nut up with a rattle gun lately. I thought my rattle gun was lucky to be able to
deliver 150ft.lbs.
When my car was swingaxle it had a habit of the nut loosening up. I think it was something to do with o-rings not fully compressing on the initial
tightening. Then they would compress slowly with time and effectively loosen up the nut.
The only annoying part is it was a modified stub axle to handle a kombi CV, so I can't just chuck in any old replacement stub 
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koolkarmakombi
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| posted on March 4th, 2007 at 07:52 PM |
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drill, tap it and put in a bolt! :beer:beer:beer:beer:beer
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Grey 57
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| posted on March 5th, 2007 at 07:48 AM |
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Looks like its been cracked for while Wes. Just holding on with the inner 10mm or so. There was a post about overtightening these nuts in here a
little while back.
The axle nuts need to be tightened to 220ft/lbs thats equal to a wieght of 220lbs placed on the end of a bar 1ft long.
1 lb = .45kg
1ft = 300mm
So if you are 80kgs and standing on a 600mm (2ft) bar attached to a 36mm socket thats probably tight enough. With lube, lube is good.
80kg jumping up and down on a 6ft bar is probably too tight!!!
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rob53
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| posted on March 5th, 2007 at 09:17 AM |
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Once I was driving and the car started vibrating severly, then I looked at my rear left window and saw one of my wheels bounce off onto the footpath.
Thats not rust, it's ah ... orange primer ... yep that's what it is ...
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Baja Wes
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| posted on March 5th, 2007 at 09:45 AM |
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yeah, looking at the fracture face the crack started on the tip of the thread, and first cracked only about 5% across (hard to see in the pics). There
are no beach marks, so it didn't get fatigued at all (as you would expect, there is no reversing load at that point).
Then later on it cracked from the 5% to about 60% across.
It has then held on for a while before the last ~40% went suddenly and gives that crystaline appearance in the center.
Just have to keep looking for a replacement...
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VWCOOL
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| posted on March 5th, 2007 at 10:36 AM |
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I have had the same 'OH MY GOD' feeling too: Once just after completing my IRS/Oval, I took a week off, drove to wagga to see a mate, raced all the
local boguns in thier V8s, drove to Canberra then back to Sydney but instead of going straight home, kept driving up to the NSW Central Coast to see
another mate. Got to within two blocks of his house...dink dink dink SCRAPE... and my left wheel overtook me
10 mins prior I had been pulling 160+ over Mooney Mooney Bridge, not to mention the hundreds of km of freeway and hooning/burnouts that week...
Mine looked the same - long term fatigue crack from base of thread (corrosion evidence) then failure of the last little bit
Might be a good idea for us all to check our axles... Ever since then, I have!
[ Edited on 5-3-2007 by VWCOOL ]
Pay your debts, CxxT
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68AutoBug
A.k.a.: Lee Noonan
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| posted on March 5th, 2007 at 03:22 PM |
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| Quote: | Originally
posted by Grey 57
There was a post about overtightening these nuts in here a little while back.
The axle nuts need to be tightened to 220ft/lbs thats equal to a wieght of 220lbs placed on the end of a bar 1ft long.
1 lb = .45kg
1ft = 300mm
So if you are 80kgs and standing on a 600mm (2ft) bar attached to a 36mm socket thats probably tight enough. With lube, lube is good.
80kg jumping up and down on a 6ft bar is probably too tight!!!
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I have read [USA] that You need a 5ft length of pipe on a 3/4 drive socket and bar and pull down as hard as you can...
Luckily I have a torque wrench to use...
One of the locals told Me He had just tightened the nut up with a socket and bar,
and it did come loose....
so, they do need the 220ft lb tension...
although I never thought of Over tensioning...
but I do use anti seize....
Lee
[ Edited on 5-3-2007 by 68AutoBug ]
- [size=4]Helping keep Air Cooled VWs on the road - location: SCONE in the Upper Hunter Valley - Northern NSW 320 kms NNW of SYDNEY--- [/size]
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Baja Wes
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| posted on March 5th, 2007 at 04:12 PM |
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| Quote: | Originally
posted by 68AutoBug
I have read [USA] that You need a 5ft length of pipe on a 3/4 drive socket and bar and pull down as hard as you can...
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If you weigh 80kg, that is 176 lbs, hanging off a 5ft pipe is 880 ft.lbs. So that's way too tight.
A 80kg person only needs to hang off a 1.25 foot lever to get the 220 ft.lbs.
My torque wrench only goes up to 150ft.lbs. Maybe I need some new tools...
Found some new type 2 CV'd stubs in the US for US$140 a pair. Just have to check the shipping prices...
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aussiebaja
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| posted on March 5th, 2007 at 04:19 PM |
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a smidge of locktite might help too wes
BETTER TO BE THOUGHT A FOOL THAN TO OPEN YOUR MOUTH AND REMOVE ALL DOUBT:puke
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tassupervee
A.k.a.: Knob Jockey
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That really hurts doesnt it!
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| posted on March 5th, 2007 at 06:51 PM |
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| Quote: | Originally
posted by Baja Wes
My torque wrench only goes up to 150ft.lbs. Maybe I need some new tools...
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The Torquemeister is your friend.
http://www.airspeedparts.com/catalog/product_info.php?products_id=836&osCsid=...
Im not a complete idiot, quite a few parts are missing....
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koolkarmakombi
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| posted on March 5th, 2007 at 06:56 PM |
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Nice tool!
This disclaimer does not reflect the thoughts or opinions of either myself, my company, my friends, or my dog: don't quote me on that; don't
quote me on anything; this disclaimer is subject to change without notice; text is slightly enlarged to show detail; resemblance to actual persons,
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upon request; your mileage may vary; no substitutions are allowed; for a limited time only while supplies last; offer void where prohibited; this
disclaimer is provided "as is" without any warranties expressed or implied
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11CAB
Compulsive Aussie Vee Dubber
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| posted on March 5th, 2007 at 07:20 PM |
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Just machine another one up for now so you can come down to Stockton at easter........:thumb
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MickH
A.k.a.: Michael Hutchinson
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| posted on March 5th, 2007 at 07:36 PM |
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| Quote: | Originally
posted by Baja Wes
| Quote: | Originally
posted by 68AutoBug
I have read [USA] that You need a 5ft length of pipe on a 3/4 drive socket and bar and pull down as hard as you can...
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Found some new type 2 CV'd stubs in the US for US$140 a pair. Just have to check the shipping prices...
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Have you tried Swan Porsche parts in WA?? Might be faster.Mine took 2 days to get to Townsville and cost $280 delivered 2 years ago.They were crack
tested Porsche units..:thumb
tssnq.com.au
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$2.63 homebrand baja
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| posted on March 5th, 2007 at 10:32 PM |
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:duh :o lucky it didn't do that at speed down hwy  |
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Doug Sweetman
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| posted on March 5th, 2007 at 10:51 PM |
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Kurt at Vee dub repairs and spares in Fremantle, Perth had a couple the last time I was there (but that was 12 months ago........).
Luck break (no pun intended haha). Its a good example of the safety factor built into alot of auto parts, that you could run for a significant amount
of time on much less than 50% of the area of the stub axle.....
Go buy a lotto ticket I reckon
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h
A.k.a.: Towely BuMpEr KING! ILLegal ALIEN on a roadtrip
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| posted on March 6th, 2007 at 12:46 AM |
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thats the best move i bet you've made in ages, leaving the car at the folks..
lucky man..
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 vw54
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| posted on March 6th, 2007 at 05:48 AM |
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U must have been using yr super strength Wes... Ive always hung off the nut with a length of pipe and tightened the axle nut
never broken one yet but i have broken a flywheel gland bolt using the same method
maybe your off road adventures have atributed to the cracking of the axle
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amazeer
A.k.a.: Surly Duff
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| posted on March 6th, 2007 at 08:11 AM |
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what did Kenny Rogers say when he lost a wheel?
"You picked a fine time to leave me loose wheel"
I too have also jump on the end of the nearest pipe and tighten as much as I can. I wont waste any more money on those split pins now I see that they
are useless.
Before a great ocean road trip I had a dodgy wheel bearing and took spares 'just in case'. When I slowed down into albury there was a terrible noise
and I thought it was time. But it was the wheel nuts I had forgot to tighten after a wheel rotation once the kombi was off the jack.
I did the same thing at Adelaide raceway, after putting slicks on. That bloody wheel only lasted 1/4 mile and fell off on the return road.
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Baja Wes
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| posted on March 6th, 2007 at 09:19 AM |
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| Quote: | Originally
posted by $2.63 homebrand baja
:duh :o lucky it didn't do that at speed down hwy
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I was doing about 90kph when it happened, and I still had to drive about 10km with it broken. It was fine when I was on the power (couldn't hear it
at all). It's only when I backed off it sounded like a mud tyre hum, and when I cornered the wheel floating with the floating caliper. I'll have to
check the caliper didn't suffer any damage from holding the wheel on.
Well I was just about to order some new parts from Moore in the US, and they tell me they don't ship to Australia
:cry
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