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  #1 (permalink)  
Old 09-07-2006, 08:01 PM
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What caused this...

Th 350 tranny in a 83 P/U 2 wheel drive. Do I need a new tailshaft bushing? And obviously a new slip yoke.
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Old 09-07-2006, 08:31 PM
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Hard to say what caused it, but it's not normal. Could have been a bad installation of a new tailshaft bushing. Yes you need both a new yoke and a new tailshaft bushing. I think in light of the problem I would remove the tail housing and have the bushing installed by a trans shop.

Vince
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Old 09-07-2006, 08:48 PM
Will I ever get it done?
 

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Was it towed with the driveshaft in and the engine off?
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Old 09-08-2006, 05:48 AM
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Thanks for the replies,
No it was never towed, I installed this tranny about 2 months ago after the 350c went out. The drive shaft looked fine when I installed it and didn't leak with the old tranny but needless to say it is now!! I'll pull the housing's off both and see what I find. I need to swap the spedo gear anyway.
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Old 09-08-2006, 09:44 AM
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looks like the bearing is seized in the tail shaft.. wonder where all the iron went. Just thinking that if you do not see any filings on the underside of the floor , maybe you would be wise to drop the pan and check for metal. Your truck is @ normal ride hight, not in the clouds right? Another question was the trans replacement a like for like , or a modification. If is was a modification the yoke could be out of spec/wrong length.

Last edited by pepi; 09-08-2006 at 09:50 AM. Reason: more info
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Old 09-08-2006, 04:23 PM
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The truck is the one on my avatar, I pulled the tail shaft housing today and the bushing is definitely shot! I pulled the old one off the th350C and that bushing doesn't look that great either. Of course O'Riley's doesn't have one in stock ( be here tomorrow). Hopefully one of the slip yokes I have in storage is in use able shape.
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Old 09-08-2006, 09:49 PM
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do you have a speed-O on the truck tranny?

Looks like a lack of lubrication to me is why I ask.

Speed-O gears sling oil around for lubrication.
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Old 09-08-2006, 11:26 PM
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Ouch! Definitely a zero-lube condition. Are you SURE you filled the tranny to the proper level? Sometimes it's really hard to tell if they are filled properly. I would drop the pan and look for signs of damage elsewhere in the unit, metal shavings in the pan specifically.
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Old 09-09-2006, 02:34 PM
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Quote:
Originally Posted by willys36@aol.com
Ouch! Definitely a zero-lube condition. Are you SURE you filled the tranny to the proper level? Sometimes it's really hard to tell if they are filled properly. I would drop the pan and look for signs of damage elsewhere in the unit, metal shavings in the pan specifically.
I had a customers vehicle in the shop recently with the same problem. The trans was a Muncie M21. I had to replace both the yoke and the tailshaft bushing. Upon inspection, the trans had only half of the gear oil it should have had. Willys36 is right on the money with his observation.
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Old 09-10-2006, 12:19 PM
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Yeah I think it was a low lube situation, The speedo gear is in it. I think that my dipstick tube was leaking enough that it probably caused the rear bushing to fail by the time I fixed it. I don't drive the truck very often or very far when I do drive it. I also don't know what condition it was in when I got it so I was kinda gambling anyway. (sucks being broke).

Do you guys feel that the tranny needs to be rebuilt. I have a gut feeling that if I just flush it and the cooler, and put in a new bushing and yoke it's not going to last very long.

I'm looking for a driveshaft for this truck for a 400 trans, anybody have one?

Wishful thinking
thanks for the replies
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