Transmission pan torque sequence? - Team Camaro Tech
Transmission & Driveline Transmissions and Differentials

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post #1 of 5 (permalink) Old Feb 26th, 03, 03:46 PM Thread Starter
Senior Tech
Join Date: Jul 2001
Location: Atlanta, Ga
Posts: 126

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?
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post #2 of 5 (permalink) Old Feb 26th, 03, 04:33 PM
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Location: Vancouver, USA
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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.
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post #3 of 5 (permalink) Old Feb 26th, 03, 05:09 PM
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Join Date: Mar 2002
Location: Moraga,Ca.,USA
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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.
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post #4 of 5 (permalink) Old Feb 26th, 03, 05:27 PM
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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.
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post #5 of 5 (permalink) Old Feb 27th, 03, 01:57 AM
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This is too 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.
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