Transmission pan torque sequence?

A

atldc

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Joined Jul 28, 2001

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126 Posts

Discussion starter · #1 · Feb 26, 2003

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What is the proper way to tighten the bolts on a th-350 pan? Ive got a paper gasket, not the cork, do i need silicone?

 

B

BPOS

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#2 · Feb 27, 2003

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I don't know if there is a proper torque sequence. When I'm unsure, I start at the center and work in a widening circle to the outside. It wouldn't hurt to make two full passes to achieve your final torque. I wouldn't use silicone on the pan gasket, but that's just me. Some might recommend it. Look at the bolt holes on the pan, and if they're dimpled outward, flatten them with a ball peen hammer.

 

V

Vintage 68

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#3 · Feb 27, 2003

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Christ BPOS - you must be as old as me!
Yeah - what he said, about tightening from the center out and making a couple passes and knocking the high points off the pan holes.
I use 'Gasgacinch' for glueing the gasket to the pan and nothing between the gasket and trans.
TH350 pan bolt torque is @8ft lbs.

 

B

BPOS

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#4 · Feb 27, 2003

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What, me old? What did I say that sounded old? OK, I admit it, I AM old. I just didn't think it would be so obvious. 45 next month. It would be interesting to see how old everyone on this site is...or at least what they're willing to admit to.

 

O

Oldani Motorsports

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Joined Feb 9, 2003

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593 Posts

#5 · Feb 27, 2003

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This is too funny....you guys are OLD! I must be the kid of the group, since I will only turn 43 in May. As for the gasket, I hate using any sealant at all. It is a pain in the arse to clean it off later if you need to. I have used the black ones from TCI with the best luck, they are better by far than cork, the brown paper ones, or even the cheapie black ones. Snug the bolts, then go around to 95 inch/pounds of torque.

 

W

wererabbit

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#6 · Sep 24, 2019

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Never use a sealant with your gasket. Use a oil soluble grease, like Vasoline or bearing grease to hold it into place. I haven't seen a paper tranny gasket in some time. My kit came with the black neoprene type gasket and was $8.95 at Autozone. I have research the bolts, and 8 pounds seems to be it, though a few people did 10. If it leaks, it's probably too tight. Good luck.