innerCV joint leak

S

steve southworth

New member
Jul 17, 2007
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I have a leak on both inner CV joints. The leak is not where I expected. It is not where the seal housing fits on the joint itself but in the area
where the rubber seal is crimped to the seal housing. It is leaking where the factory Not where the tin meets the casting. That joint, which I
installed is dry. The rubber to metal joint made by the manufaturer is what is leaking. It has thrown out a lot of grease.

What is going on? Is this a manufacturing defect on both joints? Did I overfill the joint with grease? I'm looking to get it corrected or put my
mind to rest before Shawnee.
--
Steve Southworth
1974 Glacier TZE064V100150 (for workin on)
1975 Transmode TZE365V100394 (parts & spares)
Palmyra WI
 
Steve, you may have over filled the joint. No moly grease is needed in the
rubber bellows, only in the trunion bearings, trunion pins, and housing
where the trunions roll back and forth. No harm, except for the mess, clean
up the excess grease that oozes out, and where it has slung out onto
everything, and drive it.
Jim Hupy
Salem, Or
78 GMC ROYALE 403

> I have a leak on both inner CV joints. The leak is not where I expected.
> It is not where the seal housing fits on the joint itself but in the area
> where the rubber seal is crimped to the seal housing. It is leaking where
> the factory Not where the tin meets the casting. That joint, which I
> installed is dry. The rubber to metal joint made by the manufaturer is
> what is leaking. It has thrown out a lot of grease.
>
> What is going on? Is this a manufacturing defect on both joints? Did I
> overfill the joint with grease? I'm looking to get it corrected or put my
> mind to rest before Shawnee.
> --
> Steve Southworth
> 1974 Glacier TZE064V100150 (for workin on)
> 1975 Transmode TZE365V100394 (parts & spares)
> Palmyra WI
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
 
I had the same problem on one of my inner cv joints after about 30k miles. It was not over filled. Using alcohol and a little lacquer thinner I cleaned all the grease off the rubber/metal joint, re-crimped the joint and and sealed it with RTV. No problem for the last 10k miles. My solution.

Larry Coldren

74 Canyon Lands

Ft. Collins, CO

________________________________
From: Gmclist on behalf of James Hupy
Sent: Monday, March 6, 2017 1:01:46 PM
To: gmclist
Subject: Re: [GMCnet] innerCV joint leak

Steve, you may have over filled the joint. No moly grease is needed in the
rubber bellows, only in the trunion bearings, trunion pins, and housing
where the trunions roll back and forth. No harm, except for the mess, clean
up the excess grease that oozes out, and where it has slung out onto
everything, and drive it.
Jim Hupy
Salem, Or
78 GMC ROYALE 403

> I have a leak on both inner CV joints. The leak is not where I expected.
> It is not where the seal housing fits on the joint itself but in the area
> where the rubber seal is crimped to the seal housing. It is leaking where
> the factory Not where the tin meets the casting. That joint, which I
> installed is dry. The rubber to metal joint made by the manufaturer is
> what is leaking. It has thrown out a lot of grease.
>
> What is going on? Is this a manufacturing defect on both joints? Did I
> overfill the joint with grease? I'm looking to get it corrected or put my
> mind to rest before Shawnee.
> --
> Steve Southworth
> 1974 Glacier TZE064V100150 (for workin on)
> 1975 Transmode TZE365V100394 (parts & spares)
> Palmyra WI
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
_______________________________________________
GMCnet mailing list
Unsubscribe or Change List Options:
http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
 
Being its an aluminum cover, you need to be careful and augment the seal
with RTV

> I had the same problem on one of my inner cv joints after about 30k
> miles. It was not over filled. Using alcohol and a little lacquer thinner
> I cleaned all the grease off the rubber/metal joint, re-crimped the joint
> and and sealed it with RTV. No problem for the last 10k miles. My
> solution.
>
> Larry Coldren
>
> 74 Canyon Lands
>
> Ft. Collins, CO
>
> ________________________________
> From: Gmclist on behalf of James Hupy <
> jamesh1296>
> Sent: Monday, March 6, 2017 1:01:46 PM
> To: gmclist
> Subject: Re: [GMCnet] innerCV joint leak
>
> Steve, you may have over filled the joint. No moly grease is needed in the
> rubber bellows, only in the trunion bearings, trunion pins, and housing
> where the trunions roll back and forth. No harm, except for the mess, clean
> up the excess grease that oozes out, and where it has slung out onto
> everything, and drive it.
> Jim Hupy
> Salem, Or
> 78 GMC ROYALE 403
>

>
> > I have a leak on both inner CV joints. The leak is not where I expected.
> > It is not where the seal housing fits on the joint itself but in the area
> > where the rubber seal is crimped to the seal housing. It is leaking
> where
> > the factory Not where the tin meets the casting. That joint, which I
> > installed is dry. The rubber to metal joint made by the manufaturer is
> > what is leaking. It has thrown out a lot of grease.
> >
> > What is going on? Is this a manufacturing defect on both joints? Did I
> > overfill the joint with grease? I'm looking to get it corrected or put
> my
> > mind to rest before Shawnee.
> > --
> > Steve Southworth
> > 1974 Glacier TZE064V100150 (for workin on)
> > 1975 Transmode TZE365V100394 (parts & spares)
> > Palmyra WI
> >
> > _______________________________________________
> > GMCnet mailing list
> > Unsubscribe or Change List Options:
> > http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
> >
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>

--
Jim Kanomata
Applied/GMC, Fremont,CA
jimk
http://www.appliedgmc.com
1-800-752-7502
 
Here are 3 pictures of my inner CV joint. Indicator shows where the leak is coming from.

http://www.gmcmhphotos.com/photos/miscellaneous-pictures/p62215-cv-inner1.html

One picture is the leaking joint. The other two show more detail of this area using my spare axle assembly.

Next time, not so much grease. But I don't have to worry if I got enough in there.
--
Steve Southworth
1974 Glacier TZE064V100150 (for workin on)
1975 Transmode TZE365V100394 (parts & spares)
Palmyra WI
 
Steve,
Just replace the iner beoot assy as it comes with the metal.

On Tue, Mar 7, 2017 at 9:35 AM, Steve Southworth
wrote:

> Here are 3 pictures of my inner CV joint. Indicator shows where the leak
> is coming from.
>
> http://www.gmcmhphotos.com/photos/miscellaneous-pictures/
> p62215-cv-inner1.html
>
> One picture is the leaking joint. The other two show more detail of this
> area using my spare axle assembly.
>
> Next time, not so much grease. But I don't have to worry if I got enough
> in there.
> --
> Steve Southworth
> 1974 Glacier TZE064V100150 (for workin on)
> 1975 Transmode TZE365V100394 (parts & spares)
> Palmyra WI
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>

--
Jim Kanomata
Applied/GMC, Fremont,CA
jimk
http://www.appliedgmc.com
1-800-752-7502
 
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