8/13/08
"How I Do It" Finding the Source of a Leak
Finding the source of a leak can be a frustrating experience. The technique described here will help you track down the source of a fluid leak, such as antifreeze, engine oil, or transmission fluid.
BABY POWDER!
You could also use talcum powder or corn starch. To illustrate, the following photos are of a leaking transmission on a 65 Chrysler. I had chased this leak for a while with no success.....probably because there are too many things to tighten and too many things with the potential to leak. Then I thought of the powder.
![]() The passenger side of the transmission case with powder. No leaks here. ![]() The park pawl assembly showing a slight leak but no leaks from the park cable. Also, no leaks at the pan. ![]() The rear cooler line, no leaks. The powder shows what is leaking and equally important, what is not leaking. ![]() The front cooler line area......a problem here. ![]() Closer inspection showed the leak comes from this fitting. Back |