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leaky trans pan gasket #1212488
04/09/12 12:44 AM
04/09/12 12:44 AM
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65_gt_rag_402 Offline OP
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say what are you guys using for the trans pan gasket on a 727 ?
buddys car leaked with the rubber gasket and we tried a cork with both side permatex high temp orange sealer and still leaked..


65 DART GT RAGTOP mopars "AWESOME" 360 magnum stoker 402 Engine !!!!!!! ROCKS !!!!!!!!!! 11.0's on pump gas .
Re: leaky trans pan gasket [Re: 65_gt_rag_402] #1212489
04/09/12 01:07 AM
04/09/12 01:07 AM
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Posts: 9,099
Rogue River, OR
Jeremiah Offline
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You must make sure the pan is flat flat flat....especially around the bolt holes. The trick gasket to use the steel core rubber gasket for a 518 (P2464324). That said I have yet to see a trans pan that leaked because of the gasket. Usually the pan is the culprit.

I wonder if Quaden still has any on the shelf left over from the dealership days?

Re: leaky trans pan gasket [Re: 65_gt_rag_402] #1212490
04/09/12 01:08 AM
04/09/12 01:08 AM
Joined: Nov 2004
Posts: 6,679
Va. Beach, Va
69superbee383 Offline
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I have been using one of the new reusable ones from Mopar

http://www.ebay.com/itm/Mopar-Lifetime-7...b5e&vxp=mtr


77 Macho Power Wagon LWB factory 440 70 Coronet 440 N code 3 speed
Re: leaky trans pan gasket [Re: 69superbee383] #1212491
04/09/12 01:17 AM
04/09/12 01:17 AM
Joined: Feb 2012
Posts: 637
SoMd, USA
1
135sohc Offline
mopar
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Quote:

I have been using one of the new reusable ones from Mopar

http://www.ebay.com/itm/Mopar-Lifetime-7...b5e&vxp=mtr




Ditto... Those things are awesome. Should be a stocking item at any dealership if you got one locally.

Re: leaky trans pan gasket [Re: 135sohc] #1212492
04/09/12 01:27 AM
04/09/12 01:27 AM
Joined: Sep 2003
Posts: 1,168
Vancouver, WA
MoparMarq Offline
super stock
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Quote:

Quote:

I have been using one of the new reusable ones from Mopar

http://www.ebay.com/itm/Mopar-Lifetime-7...b5e&vxp=mtr




Ditto... Those things are awesome. Should be a stocking item at any dealership if you got one locally.





Likewise, but that said, I'm using mine with a cast aluminum pan with a thick flange. Dry as a bone on the outside, after a couple of on/off cycles.

Re: leaky trans pan gasket [Re: MoparMarq] #1212493
04/09/12 08:23 AM
04/09/12 08:23 AM
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Andrewh Offline
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also be sure it is the pan gasket leaking.

I once thought that was what I was chasing down, went through 3 gaskets, 2 pans and thought it was still leaking, turned out to be the shaft seal.

others have seen it be the 0 ring at the dipstick tube.

don't waste a lot of time and money on the pan if you have not checked above it yet.

Re: leaky trans pan gasket [Re: Andrewh] #1212494
04/09/12 08:37 AM
04/09/12 08:37 AM
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NJ central
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Scamp408 Offline
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No gasket and just use permatex the right stuff. follow the directions never had one leak in 5 years.

Re: leaky trans pan gasket [Re: Scamp408] #1212495
04/09/12 05:55 PM
04/09/12 05:55 PM
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65_gt_rag_402 Offline OP
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Thanks for all your responses on this issue you guys ..
has anyone ever tried permatex ultra Black gasket sealer ? .. it's Suppose to work good too on gaskets .. but Heard it dries hard and very hard to scrape off later .
heard the "right stuff" is good Too.
Thanks !

Last edited by 65_gt_rag_402; 04/09/12 05:56 PM.

65 DART GT RAGTOP mopars "AWESOME" 360 magnum stoker 402 Engine !!!!!!! ROCKS !!!!!!!!!! 11.0's on pump gas .
Re: leaky trans pan gasket [Re: Andrewh] #1212496
04/09/12 06:22 PM
04/09/12 06:22 PM
Joined: Nov 2004
Posts: 1,601
Hatfield,Pa.
bigD Offline
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Hatfield,Pa.
Quote:

also be sure it is the pan gasket leaking.

I once thought that was what I was chasing down, went through 3 gaskets, 2 pans and thought it was still leaking, turned out to be the shaft seal.

others have seen it be the 0 ring at the dipstick tube.

don't waste a lot of time and money on the pan if you have not checked above it yet.




Same here(after 2 different pans & installing reusable gasket),it was the shaft seal,D


2015 Chrysler200s,2008 Charger R/T R&T,1999 Dakota R/T,1999 Viper ACR,1968 Charger R/T.
Re: leaky trans pan gasket [Re: 65_gt_rag_402] #1212497
04/09/12 06:28 PM
04/09/12 06:28 PM
Joined: Jan 2003
Posts: 75,005
U.S.S.A.
JohnRR Offline
I Win
JohnRR  Offline
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U.S.S.A.
Quote:

say what are you guys using for the trans pan gasket on a 727 ?
buddys car leaked with the rubber gasket and we tried a cork with both side permatex high temp orange sealer and still leaked..




Gravity is a funny thing , what may APPEAR to be the pan gasket leaking could be coming from a source above the pan ... and there are a few ... cooler line fittings , dipstick tube , shift shaft seals ...

Also if he has a chrome pan and has not removed the chrome from the gasket flange he is never going to get it to seal short of welding the pan to the trans.

Re: leaky trans pan gasket [Re: JohnRR] #1212498
04/09/12 07:40 PM
04/09/12 07:40 PM
Joined: Apr 2010
Posts: 4,154
bethlehem pa
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mikemee1331 Offline
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bethlehem pa
Quote:

Quote:

say what are you guys using for the trans pan gasket on a 727 ?
buddys car leaked with the rubber gasket and we tried a cork with both side permatex high temp orange sealer and still leaked..




Gravity is a funny thing , what may APPEAR to be the pan gasket leaking could be coming from a source above the pan ... and there are a few ... cooler line fittings , dipstick tube , shift shaft seals ...

Also if he has a chrome pan and has not removed the chrome from the gasket flange he is never going to get it to seal short of welding the pan to the trans.


2X especially that pesky o-ring on the tube!

Re: leaky trans pan gasket [Re: mikemee1331] #1212499
04/09/12 08:28 PM
04/09/12 08:28 PM
Joined: May 2005
Posts: 4,724
Florida
BDW Online content
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BDW  Online Content
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Florida
I'd be willing to bet it's not the gasket, I changed mine 3-4 times.
Finally discovered it was 3-4 OTHER places making it look like the gasket.


Re: leaky trans pan gasket [Re: Andrewh] #1212500
04/09/12 09:11 PM
04/09/12 09:11 PM
Joined: Apr 2005
Posts: 1,322
Michigan
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crlush Offline
pro stock
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Michigan
Quote:

also be sure it is the pan gasket leaking.

I once thought that was what I was chasing down, went through 3 gaskets, 2 pans and thought it was still leaking, turned out to be the shaft seal.

others have seen it be the 0 ring at the dipstick tube.

don't waste a lot of time and money on the pan if you have not checked above it yet.







thought my gasket was leaking turned out it was the dipstick oring.

Re: leaky trans pan gasket [Re: JohnRR] #1212501
04/09/12 11:35 PM
04/09/12 11:35 PM
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65_gt_rag_402 Offline OP
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Quote:

Quote:

say what are you guys using for the trans pan gasket on a 727 ?
buddys car leaked with the rubber gasket and we tried a cork with both side permatex high temp orange sealer and still leaked..




Gravity is a funny thing , what may APPEAR to be the pan gasket leaking could be coming from a source above the pan ... and there are a few ... cooler line fittings , dipstick tube , shift shaft seals ...

Also if he has a chrome pan and has not removed the chrome from the gasket flange he is never going to get it to seal short of welding the pan to the trans.



Hahahaha .......everything is clean and dry around the pan area except where it is leaking .. It's not a chrome pan either ...guess that's a plus but yeah........ those seem to leak always for some reason .


65 DART GT RAGTOP mopars "AWESOME" 360 magnum stoker 402 Engine !!!!!!! ROCKS !!!!!!!!!! 11.0's on pump gas .
Re: leaky trans pan gasket [Re: mikemee1331] #1212502
04/09/12 11:38 PM
04/09/12 11:38 PM
Joined: Jun 2004
Posts: 334
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65_gt_rag_402 Offline OP
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Quote:

Quote:

Quote:

say what are you guys using for the trans pan gasket on a 727 ?
buddys car leaked with the rubber gasket and we tried a cork with both side permatex high temp orange sealer and still leaked..




Gravity is a funny thing , what may APPEAR to be the pan gasket leaking could be coming from a source above the pan ... and there are a few ... cooler line fittings , dipstick tube , shift shaft seals ...

Also if he has a chrome pan and has not removed the chrome from the gasket flange he is never going to get it to seal short of welding the pan to the trans.


2X especially that pesky o-ring on the tube!




NOPE .........not the o-ring on the dip tube .. even that was permatexted when Installed the 727 a year ago.. That is nice and dry there.


65 DART GT RAGTOP mopars "AWESOME" 360 magnum stoker 402 Engine !!!!!!! ROCKS !!!!!!!!!! 11.0's on pump gas .
Re: leaky trans pan gasket [Re: BDW] #1212503
04/09/12 11:41 PM
04/09/12 11:41 PM
Joined: Jun 2004
Posts: 334
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65_gt_rag_402 Offline OP
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no........ leaking right on the front edge of the trans plain as day and a drip on both the bolts that hold the manual shift cable to the pan with the 3/8" spacers..


65 DART GT RAGTOP mopars "AWESOME" 360 magnum stoker 402 Engine !!!!!!! ROCKS !!!!!!!!!! 11.0's on pump gas .
Re: leaky trans pan gasket [Re: 65_gt_rag_402] #1212504
04/09/12 11:47 PM
04/09/12 11:47 PM
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65_gt_rag_402 Offline OP
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buy the way............ it's not a deep pan OR Aluminum pan just the stock/standard depth 727 Pan.


65 DART GT RAGTOP mopars "AWESOME" 360 magnum stoker 402 Engine !!!!!!! ROCKS !!!!!!!!!! 11.0's on pump gas .
Re: leaky trans pan gasket [Re: 65_gt_rag_402] #1212505
04/10/12 12:07 AM
04/10/12 12:07 AM
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Posts: 4,501
Gainesville,FL
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goldmember Offline
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Gainesville,FL
Quote:

say what are you guys using for the trans pan gasket on a 727 ?
buddys car leaked with the rubber gasket and we tried a cork with both side permatex high temp orange sealer and still leaked..


I'd guess you have a leak other than the pan gasket,as either the cork or rubber pan gasket is more than enough to seal.

Re: leaky trans pan gasket [Re: goldmember] #1212506
04/10/12 08:46 AM
04/10/12 08:46 AM
Joined: Aug 2007
Posts: 1,511
AZ
Mike P Offline
pro stock
Mike P  Offline
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AZ

Just went thru this on a non mopar. It was a rebuilt trans, so everything was clean and easier to see leaks. After going thru 3 gaskets I ended up doubling up the gasket and it’s now dry as a bone.


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1968 Plymouth Valiant 2dr sedan (354 HEMI, 46RH w/4.30 gears)
Re: leaky trans pan gasket [Re: Mike P] #1212507
04/10/12 11:10 AM
04/10/12 11:10 AM
Joined: Jun 2004
Posts: 334
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65_gt_rag_402 Offline OP
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Quote:


Just went thru this on a non mopar. It was a rebuilt trans, so everything was clean and easier to see leaks. After going thru 3 gaskets I ended up doubling up the gasket and it’s now dry as a bone.




That could be another option ! double gasket .


65 DART GT RAGTOP mopars "AWESOME" 360 magnum stoker 402 Engine !!!!!!! ROCKS !!!!!!!!!! 11.0's on pump gas .
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