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Old 03-31-2011, 09:29 PM
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how to install th350 front seal

I have a th350c that I want to change the front seal while I have it out of the truck. I already pulled out the old seal that was fairly easy. But when I tried to put the new seal in it would not hammer all the way in. one side would go in but the other side would be sticking out after about 15 min the seal ended up geting messed up. So I want to know when I get another new seal how do I drive the new seal in so that it goes in right?

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Old 04-02-2011, 06:48 AM
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Rib3, is that the front pump seal?

How did you put the replacement one in?

Pictures would be good here.
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Old 04-02-2011, 07:45 AM
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tranny seal

it just might be u got the wrong seal... i did mine yrs ago and i didn't write the number down.. but i did get it from napa. i do recall using a hammer and wood to tap it in..
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Old 04-02-2011, 08:02 AM
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You say one side went in the other didn't, you are attempting to seat it evenly as you install? You have to work it all the way around as evenly as possible.
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Old 04-02-2011, 10:59 AM
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this is a tough one for a DIY person when trying to get around the stator tube..

use a plastic dead blow type hammer works better for me. A wider strike contact area
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Old 04-02-2011, 08:34 PM
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These have always been a PITA for me. Best if you could come up with a piece of tubing longer than the stator shaft so you could drive it straight. Other than that...... Patience and perseverence .
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Old 04-03-2011, 12:17 AM
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I didn't want to mess up another new seal so I just took it up to the trans shop they charged me $5 it took like 5 min and I was done. It was well worth the $5
Thanks for all the advise next time I try to change a front seal I will try using a pvc pipe with a end cap on it.
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Old 04-03-2011, 12:44 PM
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Quote:
Originally Posted by rlb3
I didn't want to mess up another new seal so I just took it up to the trans shop they charged me $5 it took like 5 min and I was done. It was well worth the $5
Thanks for all the advise next time I try to change a front seal I will try using a pvc pipe with a end cap on it.
The pvc pipe was exactly what I had in mind.
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Old 04-04-2011, 01:24 PM
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can you please post a picture of that seal? because i need to do the same and i need to get this seal...thanks!
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Old 04-05-2011, 12:12 PM
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Quote:
Originally Posted by alexcamaro307
can you please post a picture of that seal? because i need to do the same and i need to get this seal...thanks!
http://www.google.com/search?q=th350...ed=0CDYQzAMwAg

This is the seal that you need......Allan
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Old 04-06-2011, 07:04 AM
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Sorry if i keep posting on this thread...

Bad news , i have to remove the TH350 transmission to install the front pump seal obviuosly but it is a real PITA because i have to cut the exhust pipes!!! there is very little space to work there...i live in Santiago, Chile. I've been sending emails to many trans shops selling these seals in the USA and so far, no answer from them...does anybody know where i can find a shop in the USA that sells these seals, o´rings and gaskets and ship to Chile? i need to fix my Camaro as soon as possible please
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Old 04-06-2011, 07:18 AM
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try looking here to start with:

http://cgi.ebay.com/ebaymotors/ws/eB...2650&viewitem=

maybe they can help you out.
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Old 04-06-2011, 07:43 AM
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You can buy the seal from Summit Racing and they ship internationally.

I smear a thin coat of non-hardening sealer on the outer ring of the seal and then tap it in with a block of wood - the sealer seems to let the seal be tapped in easier without having to hammer on it as much as if it were installed dry.
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Old 04-06-2011, 08:17 AM
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Quote:
Originally Posted by adantessr
http://www.google.com/search?q=th350...ed=0CDYQzAMwAg

This is the seal that you need......Allan
Did you click on this link? Several suppliers of the seal here...
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Old 04-07-2011, 10:26 AM
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Thank you guys, i found someone who sells me these parts and ships to Chile!!! Now im considering to take this opportunity and get a better torque converter but i don't know what stall i should get best, 2800 3000 stall? help please

My th350 is stock in my 76 Camaro
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