Final Drive/Tranny "Seal

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Don't want to be a nit-picker, but right is right. Humphrey was in Joe Palooka.
Now having said that, it kinda dates me, huh? Please, no references to my
advances age, huh? har har

> Okay, everybody sit down. My mechanic just called and told me that the seal
> between the tranny and final drive was buggered up and that he had trouble
> finding one, but finally has one coming manana. This is the shop that
> installed by final drive (3.42) 2000 miles and 5 weeks ago. He said that this
> seal holds grease in the final drive and ATF in the tranny. What would have
> caused this buggering? I am having a Danny Dunn tranny installed. They
> discovered the bad seal after removing the old tranny today. I did not have
> any "leaks". He said that no atf got into the final drive. Any comments?
> Thanks as always. Larry in Mo, PB75 soon to be heavy hauler.
> PS> Spotted 2 gmc's today on my way to STL. Did not get a good look at the
> one I saw SW bound on I-44. This afternoon saw a yellow one towing a real
> tall yellow trailer. Florida plates. (Dave, one of your buds?) The trailer
> looked ungainly, kind of like Humphreys bike/outhouse in Moon Mullins.

 

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I haven;t got my manual handy right now, but I seem to remember that there is a
sleeve that is to be slipped onto the input shaft of the final drive when you are
installing the front pinion bearing retainer, which in also where the final drive
seals are installed. The accompanying article implied that the seal would be
damaged if this sleev was not installed. Just the ramblings of a somewhat
dimished rememberer. .03 For what it's worth

> In a message dated 11/10/99 5:54:34 PM Central Standard Time,

>
> problem with this seal I assume they would send a new one. I don't see how
> your mechanic could have possibly touched this seal just by installing the
> final drive. Are you really sure that this is the problem? >>
>
> Emery, this one has me stumped. The mechanic also said that he didn't believe
> that they could have hurt this seal during installation of the final drive. I
> really believe this guy. It was too late to call Cinnabar, but I will
> tomorrow. Your desciption of the seal is right in line with what he told me.
> Could a bad tranny wreck this seal? Keep in mind that I am replacing my
> tranny 'cause I don't have any power from a dead start on any kind of slope.
> Could the seal have been mis-installed at cinnabar? Thanks. Larry in MO, PB75

 

[david l greenberg]

>PS> Spotted 2 gmc's today on my way to STL. Did not get a good look at
>the
>one I saw SW bound on I-44. This afternoon saw a yellow one towing a
>real
>tall yellow trailer. Florida plates. (Dave, one of your buds?) The
>trailer
>looked ungainly, kind of like Humphreys bike/outhouse in Moon
>Mullins.

Thanks, Larry for this bit of useless information!>VBG> where are the TZE
numbrs?

It is amazing..sometimes one can drive for 1,000s of miles and not see
one GMC on the road. Then some days you might see 2 or 3 in a hundred
mile span.

Dave Greenberg
GMC MOTORHOME REGISTRY
Seagate Towers 200 MacFarlane Dr PH4
Delray Beach, FL 33483-6829