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Home » Public Forums » GMCnet » Transmission Oil Pan Leakage Problem 2
Transmission Oil Pan Leakage Problem 2 [message #204968] Wed, 17 April 2013 15:31 Go to previous message
John Heslinga   Canada
Messages: 632
Registered: February 2011
Location: Edmonton, Alberta, Canada
Karma:
Senior Member
The topic on Transmission pan gasgets brings another problem I have with my ROCKWELL tranny Pan. After installing my transmission oil pan. I had a horrible leak from the bolts in the pan. Enough to fill a 1 quart container in less than a week. The oil is comming from the bolt holes and not around the flange at the the transmission. I used a fiber pan gasget and aviation sealer so I would seal it up well. See the 4 pictures I've uploaded showing the leak.

http://www.gmcmhphotos.com/photos/discussion-photos/p48674-rockwell-transmission-pan.html
http://www.gmcmhphotos.com/photos/discussion-photos/p48680-bolt-drip-3.html
http://www.gmcmhphotos.com/photos/discussion-photos/p48677-bolt-drip-1.html
http://www.gmcmhphotos.com/photos/discussion-photos/p48671-bolt-drip-2.html

While I was able to "Patch" or "Stop Gap" the leaks using fiber washers under the bolt heads. Actually trapping the oil in the bolt holes. There is some other problem I would think.

Porosity - Maybe
Cracks - Maybe

Any ideas?

Best regards




John and Cathie Heslinga 1974 Canyonlands 260 455, Manny tranny and 1 ton, 3:70 LS, Red Seal Journeyman, DTE, BEd. MEd. Edmonton, Alberta
 
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