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02-19-2014, 09:21 AM
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#1 |
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Registered User
Join Date: Jul 2013
Location: Springfield MO
Posts: 66
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Axle Leak How to Fix
Good morning everybody. Working on my son's truck again. I believe the truck has a 12 bolt rear end, can someone verify for me please. Also, on the passenger side where the tube goes into the pumpkin housing there is gear oil gathering there. Is this because it is leaking there? Do I weld this up to fix the leak? Sorry for the crappy picture but it was late when I took the picture.
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02-19-2014, 09:51 AM
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#2 |
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Registered User
Join Date: Feb 2014
Location: dallas area
Posts: 221
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Re: Axle Leak How to Fix
Yep it has 12 bolts. I've never seen the tubes leak where it meets the pumpkin but I'm sure they can. people do weld the tubes for strength so it can be down. I think the pumpkin is cast so it's harder to weld
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02-19-2014, 10:27 AM
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#3 |
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Registered User
Join Date: Jul 2013
Location: Springfield MO
Posts: 66
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Re: Axle Leak How to Fix
The reason that I ask is because I have read that it has something to do with the shape of the housing, not always the number of bolts that are holding the cover on. I was just wanting to make sure. Thanks.
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02-19-2014, 10:37 AM
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#4 | |
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Registered User
Join Date: Apr 2011
Location: Mustang, Oklahoma
Posts: 2,806
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Re: Axle Leak How to Fix
Quote:
I know it sounds crazy but before you go trying to weld the "leak", replace the axle vent, rather put a new hose on there and make sure the fitting on the diff is not plugged. if it has a plastic vent on the end of the hose replace that too. The reason is I have read many times on here that a leak at the tube weld is caused by the air expansion inside the diff when the vent is plugged, the pressure builds inside and forces a leak through a tiny void in a tube weld. Cheap easy thing to check first anyway.
__________________
Dan <---(my name) 67 SWB C10 project "GEORGIA"-59 Brookwood 2dr wag...Next project-03 Tahoe 4x4 5.3 family ride-07 Hondur Accord, commuter car |
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02-19-2014, 10:50 AM
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#5 | ||||
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"I ain't nobody, dork."
Join Date: Sep 2007
Location: Whidbey Island, Washington
Posts: 8,971
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Re: Axle Leak How to Fix
I agree that it is probably the vent. Possibly overfilled? Is there a hose on the vent nipple.
There were some 12-bolt BOP (Buick Olds Pontiac) axles that had 12 bolt carriers with a 10 bolt cover. So it is correct that it is actually the number of bolts holding the ring gear on, and not the number of cover bolts. However... 95% of them match the bolt count for the cover. The BOP axles described above are a pretty rare find these days. Gary
__________________
'cuz chicks dig scars... My 1972 GMC 1500 Super Custom (Creeping Death) "long term" build thread. The Rebuild of Creeping Death after the wreck Quote:
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02-19-2014, 11:33 AM
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#6 |
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Registered User
Join Date: Jul 2013
Location: Springfield MO
Posts: 66
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Re: Axle Leak How to Fix
Thanks for the info guys, I will look into the axle vent and replace it, watch and see if my leak goes away.
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02-19-2014, 11:45 AM
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#7 |
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Registered User
Join Date: Jun 2010
Location: Upland Ca
Posts: 4,147
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Re: Axle Leak How to Fix
How much is it leaking? Just a little dampness or puddle on the garage floor?
__________________
1972 C10 SWB, Air, PS, PB, 350/350THM. Second owner. 1965 Corvette roadster, 44K miles, 327/365 SHP, 4 speed, side exhaust, knockoffs, teak, second owner (bought in 1970), Have ALL numbers matching components. My frame off restoration thread: http://67-72chevytrucks.com/vboard/s...d.php?t=556703 |
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02-19-2014, 11:57 AM
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#8 |
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Registered User
Join Date: Jul 2013
Location: Springfield MO
Posts: 66
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Re: Axle Leak How to Fix
It is more than just dampness but I don't have anything on the floor yet. It isn't severe at this point.
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