replacing trans to diff gasket [message #93849] |
Thu, 29 July 2010 14:54 |
zhagrieb
Messages: 676 Registered: August 2009 Location: Portland Oregon
Karma: 0
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Senior Member |
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My gasket leaks and I must replace it. How far must I withdraw the diff? Must I remove the drive axles?
Glenn Giere
"Moby the Motorhome"
glenngiere@gmail.com
Glenn Giere, Portland OR, K7GAG
'73 "Moby the Motorhome" 26'
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Re: [GMCnet] replacing trans to diff gasket [message #93857 is a reply to message #93849] |
Thu, 29 July 2010 15:19 |
James Hupy
Messages: 6806 Registered: May 2010
Karma: -62
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Senior Member |
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Yes, you need to move the diff back far enough to clean the trans and diff
mating surfaces. BUT before you do that, check to see if your vent at the
top diff cover bolt is plugged. If it is, it will leak every time. You don't
have to remove the axles themselves, just the jackshaft on the pass side and
the inboard cv joint bolts on the drivers side as well as the trans dipstick
tube. Leaking gaskets are a PITA. One suggestion that comes to mind is to
check the fluid that is leaking. If it is transmission fluid, one possible
source is the back to back seals between the trans and diff. or the upside
down u shaped transmission vent on top.
Jim Hupy
Salem, Or
78 Royale 403
On Thu, Jul 29, 2010 at 12:54 PM, Glenn Giere <glenngiere@gmail.com> wrote:
>
>
> My gasket leaks and I must replace it. How far must I withdraw the diff?
> Must I remove the drive axles?
>
> Glenn Giere
> "Moby the Motorhome"
> mailto:glenngiere@gmail.com
> _______________________________________________
> GMCnet mailing list
> List Information and Subscription Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
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