Tricks for removal and replacing th-350 bushings - Hot Rod Forum : Hotrodders Bulletin Board
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Old 05-28-2006, 03:18 PM
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Tricks for removal and replacing th-350 bushings

Doing a rebuild of my th-350 and Im having a hard time removing the bushings, I can see that it will probably be even harder to get the new ones back in? Can anyone give me some pointers on how to do this? I have Ron Sessions book and cutting it out and driving it out has worked on a few of them so far. (I don't have bushing drivers, and the stores I have looked for them don't have the correct sizes and ones that do are sold separately and very expensive) How the hell are you suppose to get the 3 bushings that are in the stator shaft? on the pump? Can I do it without drivers? Should I just reuse them if they look good? can I use the old bushing to drive a new one back in? HELP!?

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Old 05-28-2006, 08:55 PM
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Now you know ONE of the reasons we get paid to do this. Bushing drivers are not cheap and are required to correctly perform this task. ALL the bushings need to be checked for size and side play. If the bushing fits over the shaft it rides on and has less than .003" side play it will be OK. Good luck with that in a T350. Perhaps a local trans shop will help you for a small fee. Call first and be prepared to leave the parts for pick-up later.
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Old 05-28-2006, 09:39 PM
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Changing all the bushings is a chore but can be done if you really dig around for the correct diameter anything to use!
LOL Chazmac is correct, it is a job best left to the pros if you don't have the correct tools. I used a long punch that I sharpened long one sided point so I could get behind the bushing and peel a slice of it out then remove it. I was able to find everything I need in my tool box for re-install. Just measure the depth of each one before removing. OR take it to a shop and pay them to remove and re-install them, its worth the money in my book.
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Old 05-28-2006, 09:56 PM
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I use a universal cam bearing installer/remover. A cam bearing is basically the same as a trans bushing.

TH350's are rougher on bushings due to design, so ensuring the bushings are in good shape is important to keep everything riding on center.
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Old 05-28-2006, 10:22 PM
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Quote:
Originally Posted by jakeshoe
I use a universal cam bearing installer/remover. A cam bearing is basically the same as a trans bushing.
What kind of cam bearing installer do you have that can drive that small of a bushing?
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Old 05-29-2006, 09:26 AM
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It is made by Lisle, sold by all the tool trucks under their own name.
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Old 05-29-2006, 11:07 AM
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Here's a link to the kind of universal cam bearing installation tool Jakeshoe is referring to:

http://www.bobstools.net/Store/LS18000.html

The local trans shop wanted $150 to install a complete bushing set in my th350. Jakeshoe was helping me with my rebuild at the time and turned me on to this very cam bearing installation tool. I got mine used on ebay for $87. It has expandable bearing driver plugs and it works great for installing all of the trans bushings.

Last edited by Hoptup32; 05-29-2006 at 07:39 PM.
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Old 05-29-2006, 09:26 PM
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$150 HOLY ****!!!! I'll call around my shops and see what they can do for me, While I'm at it....can someone tell me how many bushings I should be replacing? My kit cam with 12 and some plastic thingy, But I can only count 11 bushings in my trans???

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Old 05-30-2006, 11:11 PM
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Well I called around today and found a shop that would replace them all for $45! One shop wanted 100... Anyways I can still only count 11 bushings to replace, but have one extra and a plastic one. I guess it depends on the year for the plastic type but cant find where the other one goes?

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Old 05-31-2006, 10:26 AM
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If my memory serves me correctly, the plastic piece you are speaking of MAY be the bushing/sleeve that joins/seals the input and output shafts together. Seem to remember one in my 350 last year. A rebuild book will help sort out that plastic piece since I seem to remember that some used it and others used something else, depending on the design.

Mark
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