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Old 07-03-2007, 09:32 PM
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Tail Shaft Wobble??

Greetings from Canada

83 Cadillac Fleetwood,700r4 Trans.

Been chasing an elusive vibration,have replaced tires,u-joints,and just had the drive-shaft balanced.

Was bolting the shaft back on and noticed the tailshaft really moved around a lot.

Is this normal?

Thanks-Hoonbash

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Old 07-03-2007, 09:57 PM
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If you mean the yoke wobbles once inside the trans, no, that's not good. Most likely the bushing in the tailhousing is shot. Easy fix at almost any trans shop. Kinda hard to do yourself if you don't have the bushing puller/installer and they are expensive to buy.

Mark
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Old 07-03-2007, 11:09 PM
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Thanks Mark

When I was sliding the yoke up into the tranny I noticed the trans tailshaft moved,I grabbed it and could wiggle it around.

Any guess as to what's going on?

Hoonbash
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Old 07-03-2007, 11:30 PM
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So you are saying the tail shaft housing is moving around? Wow, is it leaking too? If the HOUSING Is moving around, it should be pouring fluid out. Bolts are probably loose and the o-ring is shot. Not good on the output shaft either or trans innards.

Mark
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Old 07-03-2007, 11:37 PM
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I totally agree. Get it checked out! You are doing more damage every time you drive it.
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Old 07-04-2007, 07:49 AM
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Ooops

The tailshaft is fine,it's the output shaft moving around.Sorry for misleading you guys.
Hoonbash
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Old 07-04-2007, 12:37 PM
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Aluminum tail housing bolts to the main case.....should be solid

the output shaft will wiggle a bit. The yoke and bushing in the tail housing provide alignment .

IF the yoke is sloppy- loose in the tail housing.... it may need a bushing replacement as Jmark mentions.
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Old 07-04-2007, 08:44 PM
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The tailshaft on some transmissions will wobble around frightfully, or so it seems, when the yoke is out, and it's a perfectly normal situation. The yoke keeps it centered once it's installed, as long as the bushing's OK.
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Old 07-04-2007, 09:37 PM
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I didn't know they could wobble around,I'm ignorant when it comes to tranny's,and I screwed up on identifying it as a 700r4,it's a 2004R,next time I'm gonna get my facts straight before I start blabberin'

The trans shop fixed it in car,it needed a rear case bushing and seal,cost me $176.00.

Rides smoooooth

Thanks Gents & Until next time

Hoonbash
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