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Old 07-11-2011, 12:36 PM
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chrisnsarah chrisnsarah is offline
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T18 input shaft question

I asked this before, but don't think I gave all the details. There's some side to side play on the input shaft, but it does not contact the bearing retainer housing sleeve. I realized these were long shafts so I wondered if this was normal. I pulled and pushed on the shaft and there is barely any perceptable play in this direction.
Before the clutch broke, the transmission didn't make noise, shifted fine, never popped out of gear, and didn't feel loose.
Maybe someday, I will do a tranny rebuild with the engine, but for now and budgetary reasons, I just need to get this truck put back together.
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Old 07-11-2011, 03:02 PM
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Quote:
does not contact the bearing retainer housing sleeve
Run it,,,it's fine.
J20 project
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Old 07-11-2011, 04:43 PM
ColeTrickle ColeTrickle is offline
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Quote:
Originally Posted by J20 project
Run it,,,it's fine.
J20 project

I would agree to this statement if I hadn't done just that.

First time, the throwout bearing got "caught up" spinning on the retainer shaft and (I think) wore a groove on it. Another possiblity is the input shaft had enough flex and grooved the retainer from the inside to "cause" the input bearing to "stick" on the retainer.

Either way, I "just ran it". Play isnt anymore than 1/4". Guess what, I've got problems with binding again.

I know it doesn't help, but I figured I'd share my experience. Best of luck!
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Old 07-11-2011, 05:01 PM
deadironrat deadironrat is offline
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Mine had at least that much slop and I never had any problems with it. But anything is possible, if you have the time and resources I would suggest looking into fixing it.
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Old 07-11-2011, 06:38 PM
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Serious Johnson Serious Johnson is offline
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Quote:
Originally Posted by ColeTrickle
I would agree to this statement if I hadn't done just that.

First time, the throwout bearing got "caught up" spinning on the retainer shaft and (I think) wore a groove on it. Another possiblity is the input shaft had enough flex and grooved the retainer from the inside to "cause" the input bearing to "stick" on the retainer.

Either way, I "just ran it". Play isnt anymore than 1/4". Guess what, I've got problems with binding again.

I know it doesn't help, but I figured I'd share my experience. Best of luck!

I'm working on understanding that, but haven't yet.

Anyway, the input shaft rides on two internal bearings that are pretty close together, and the pilot bushing way out at the end. I was trying to find similar information on mine 7 years ago when I had it out, because it did seem like a lot of slop. Never did get a definitve answer, and have put some 30,000 pretty hard miles on it since. I was getting some noise sporadically for a couple of years that sounded & felt for all the world like a throwout bearing, but then it went away. That's all I know, and it sure ain't much.

S.J.
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