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post #1 of (permalink) Old 06-18-2001, 08:01 PM
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Tranny quest. How to?

Hey guys I have a question for anyone with auto tranny experiance. I am getting ready to bolt up my tranny and T-case. It is a th-400 auto going to a chevy 350. My question is...do I bolt the torque converter to the flywheel first, then bolt tranny bell to the engine? Or... should I seat the converter in the tranny first, then bolt that to the flywheel and then the bell bolts. Im not too sure and I want this to be right. Seems easier to bolt converter to fly then bolt the bellhousing. Any help would be very appreciated. Thanks....Jon.

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post #2 of (permalink) Old 06-18-2001, 08:58 PM
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Re: Tranny quest. How to?

Line up the bolt holes for the flywheel to Converter bolts.
Mate the transmission to the bellhousing.
Re-adjust the flywheel/Converter bolt holes.
Install the converter bolts.

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post #3 of (permalink) Old 06-18-2001, 09:05 PM
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Re: Tranny quest. How to?

make sure the converter is fully seated in the pump, bolt-up the bellhousing then pull the converter up against the flexplate and bolt it up...use blue locktite on the converter bolts.

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post #4 of (permalink) Old 06-18-2001, 09:06 PM
 
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Re: Tranny quest. How to?

th400 flexplate has 3 bolts right? ( IM used to tf727 it has 4 bolts) 3 bolts miught be apaefect bolt any way pattern, 4 bolt tf727 is not

line up the converter to flexplate ( it most likely only bolts up one way)

use chalk to make a line on the flexplate, and converter to line them up

seat converter in the tranny, then bolt bellhousing to engine.

thru the access cover you should be able to bolt the converter to flexplate

make sure all 4 bolts will start and tighten down, then go around again and use locktiite on the bolts, youll need a screwdriver thur the starter hgole to turn the deal while you do this ( pulling all spark plugs makes it really easy)

its not fun, but its not hard, and it has to be done.

ive done a tf727 ( the same ONE even) no less than 4 times before figuring out the easy way





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post #5 of (permalink) Old 06-18-2001, 09:06 PM
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Re: Tranny quest. How to?

Make sure you seat the converter all the way before you install the tranny. Bolt the tranny bell housing to the engine block first. Then you can pull the converter out a little and turn it till the holes line up. Install the first bolt but don't tighten all the way. Rotate the engine and continue putting the bolts in. After they are all in, go back around and tighten them.



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post #6 of (permalink) Old 06-18-2001, 10:10 PM
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Re: Tranny quest. How to?

Definately twist the torque converter into the pump(you'll feel it drop in)then bring the tranny up to the block,bolt it down and spin the converter to line up with the bolt holes.

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