How To Stop A Transmission Pan Leak. Pretty much all of the stop leak chemical products are worthless, or worse. Adding a bottle of one one seal stop leak or transmission seal stop leak products is often all it takes to seal your leak.
If you have the 545 transmission make sure you clean the pan with brake cleaner to get all the oils and dirt off or else the silicone won't stick. You should notice results after about 100 miles of driving. Common causes of transmission leaks
Guys, i have a newly rebuilt th 400 in my 70 gto and the tranny pan is leaking. More than likely running down from; How to stop transmission pan leak?
If the leak is originating from the drive shaft area of the transmission then gil baumgartner’s article would apply, or you could have a defective output shaft seal. Yes, you should add the proper amount of the bluedevil transmission sealer to help stop your leak. If the source of the leak is not apparent, you’ll want to clean the transmission with a suitable solvent.
Everything went great except the threads in one of the bolt holes disintegrated (i’ll get a new bolt in there soon). When done improperly, the gasket area may weep or leak transmission fluid. One ounce of bluedevil treats 1 quart of capacity.
It's not a severe leak, just a few drops over a couple of days, but i can't stand leaks of any kind. The last common leak area is the input or output seal in your transmission. Sometimes buying a new pan is the only way to solve a persistent leak problem.
Here are four common areas where transmission leaks can develop. By the time a leak is big enough for you to notice, no kind of goop you put in the transmission will be able to plug it up. Then all you have to do is check your transmission fluid level.