TH350 output bushing/slip yoke clearance?

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tenxal
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TH350 output bushing/slip yoke clearance?

Post by tenxal » Fri Sep 11, 2015 10:30 am

What would be considered the correct radial clearance between the output shaft bushing and the slip yoke? What would be considered excessive clearance? Thanks!

Biteme
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Re: TH350 output bushing/slip yoke clearance?

Post by Biteme » Fri Sep 11, 2015 5:08 pm

No side play

tenxal
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Re: TH 200 output bushing/slip yoke clearance?

Post by tenxal » Sat Sep 12, 2015 4:30 pm

Any ideas on how to change the bushing with the trans in the car? I've seen some spendy tools for it....any ideas for little money? I could probably narrow up a saw blade and work between the output shaft and the bushing. The bushing thickness looks to be .063 (1.626 od/1.500 id) by specs.

Thoughts?

Note-this is a TH200, not a TH350....

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Re: TH350 output bushing/slip yoke clearance?

Post by Biteme » Wed Sep 16, 2015 9:08 pm

Can you not take the tail housing off?
Pretty sure it can be taken off a th350 but I've never even seen a th200

autogear
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Re: TH350 output bushing/slip yoke clearance?

Post by autogear » Thu Sep 17, 2015 3:35 pm

Most OE installed bushings are reamed to size when they're pressed in; service replacement bushings are already reamed.
For us on a 4-speed stick with a 27-spline; 1.504/1.506 is the finished ID of the bushing INSTALLED. A shorter extension (tailhousing) will allow you to run a tighter fit.

Look at your yokes surface finish and OD. Lately we've seen more and more with inconsistent fit and finish

tenxal
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Re: TH350 output bushing/slip yoke clearance?

Post by tenxal » Sat Sep 19, 2015 2:45 pm

The TH200's don't have an extension housing. Got it fixed. Thanks. :)

ChevyEFI
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Re: TH350 output bushing/slip yoke clearance?

Post by ChevyEFI » Sun Sep 20, 2015 6:46 pm

The knock off of the Kent-Moore J-38119 is invaluable for a one-piece case TH200-4R bushing replacement.
It's also really helpful for the retarded oil grooves in the 27 spline T56 extension housings that prevent successful bushing replacement.

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Re: TH350 output bushing/slip yoke clearance?

Post by numboltz » Sun Oct 25, 2015 10:52 pm

If you're having issues with oil leaks, make sure you check the slip yoke closely, too. Check the diameter at either end and in the middle, where the wear usually is. You'd think the wear would be visible, but many I have seen, the wear is so gradual towards the center all looks OK. But the micrometer will tell...also look for a plugged oil return hole at the 6 o'clock position. If it's plugged you'll have a leaker even if the bushing, yoke and seal are new.

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