RE: [DML] Automatic transmission pan gasket leak fix?
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RE: [DML] Automatic transmission pan gasket leak fix?

My shop is using the newer gray gasket maker / sealant. Permatex # 85144. No gasket needed.


John Hervey





From: dmcnews@xxxxxxxxxxxxxxx [mailto:dmcnews@xxxxxxxxxxxxxxx] On Behalf Of Kevin Heller
Sent: Tuesday, October 01, 2013 10:23 AM
To: dmcnews@xxxxxxxxxxxxxxx
Subject: [DML] Automatic transmission pan gasket leak fix?


I have a slight automatic transmission fluid leak around the cork gasket that is sandwiched between the transmission fluid pan and the transmission itself. I imagine it's a result of some imperfections in the pan mating surface, but the overall effect is the gasket looks saturated and any wires or structures that happen to brush up against the pan side end up wicking off this fluid, which then slowly drips on the ground. The leak is very slow, a drop or so an hour. The thing is, this eventually leads to me having to put more tranny fluid in to keep it topped off.


When doing transmission work in the past, I cleaned both mating surfaces, installed a new cork gasket, and torqued the bolts to spec. So it's not a situation where the gasket is old. I've got another cork gasket I'm thinking of installing to stop the leak, but before I do I wanted to get the insight and experience from those here on the group. I was planning on using regular blue RTV this time around on both sides of the gasket before installing. Would this be a good approach? Anyone have a similar experience and approached it from a different path? Anyone with a different recommendation because they had to drop the pan at a future date and found a better solution?


Thanks for your help!



VIN 2234


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