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Transmission Pan Sealant Thread

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  #1  
Old 10-13-2013, 11:41 AM
bigaaron
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Default Transmission Pan Sealant Thread

I need to know what you guys use. I need a good transmission pan sealant. Seems like everyone i look at has some sort of one-off which always leaves me doubting its capabilities. I tried calling the trans shop and they use some sort of industrial use sealant that they can only procure - So what do you use?
 
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Old 10-13-2013, 11:58 AM
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I've always used Ultra Copper from Permatex. Can be bought at any auto store.
 
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Old 10-13-2013, 12:05 PM
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I just use a good quality gasket. The nice, rubber (viton?) re-useable fellers. No sealant at all.
 
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Old 10-13-2013, 12:08 PM
AtomicDog
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Pickup MOPAR transmission pan gasket 2464324AC and install it without sealant. I never use any added sealer transmission pan gaskets.
 
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Old 10-13-2013, 12:28 PM
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I use like the cork "felpro" type gaskets all the time. When at work, we never use rubber gaskets unless that is our last option. In our experience, rubber gaskets tend to leak a lot more often than anything else.
 
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Old 10-13-2013, 12:56 PM
Arde
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Rubber gasket, no sealer, no leaks.
 
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Old 10-13-2013, 01:57 PM
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felpro from advance. no sealant.
the filter/gasket kit from advance with the rubber gasket is also very good.

make sure the pan surface is flat. turn the pan upside down on the workbench and tap out any dimpled bolt holes with a ballpeen hammer.
 
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Old 10-13-2013, 04:35 PM
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Originally Posted by dhvaughan View Post
felpro from advance. no sealant.
the filter/gasket kit from advance with the rubber gasket is also very good.

make sure the pan surface is flat. turn the pan upside down on the workbench and tap out any dimpled bolt holes with a ballpeen hammer.

+1 on taping on the bolt holes to flatten the pan, and rubber wix gasket that comes with the filter or a felpro rubber gasket, or the mopar reusable gasket, FTW. Install new gasket , torgue to 13ft pounds and recheck torque a couple days later and at every engine oil change. Check VC bolts too at every oil change.
 

Last edited by zman17; 10-13-2013 at 04:38 PM.
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Old 10-13-2013, 04:38 PM
bigaaron
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i tried all those options; rubber gaskets, sealant, no sealant, cork, EPDM, even special ordered a viton. I used the cross bolt pattern recommended by Hayes and Mopar. Checked and double checked torque spec, even had my torque wrench calibrated. New pan, old pan, checked all surfaces on a flat slab table - all leaked. Cleaned all surfaces by hand using red scotch pad, no sandpapers, power tool, pnuematic tools, or even hand tools - minus the gasket scrapper - all leaked.

Kejobe - i almost picked up the ultra copper per O'reilly's salesman - it states do not use on rubber gaskets. See what I mean? Hence the question. I guess I am retarded
 

Last edited by bigaaron; 10-13-2013 at 04:41 PM.
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Old 10-13-2013, 05:15 PM
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Something is obviously not right, because no sealant is required. But, a thin bead bead of regular old blue rtv should work fine. Are you sure the leak is coming from the pan itself? Somehow I dont think so.
 
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