Can an a/t be "bench tested" ??

My wife's '40 chevy pickup has a TH350 with a horrible leak...it is out of the pickup right now. Can it "pressurized" out of the vehicle to try and find the source of the leak?? thanks-

 

Most transmission shops claim that they can.

Try an Amaco or the like, they should be able to bench test it for you.

 

Supposedly B&M has a trans dyno so I know they're out there.

 

The guy that does my trannies (Carl Munroe of TRS Racing in Keene, NH) Has a ****** "Dyno" and tests all units before they leave the shop - Carl literally wrote the book (HP Books) on modifying PGs and Torqueflites

 

They can be ran on a transmission dyno. Now all you need to do is find one of those and it won't be cheap.

Where's it leaking from ?
There's a front seal , a rear seal, a pan gasket, a few oring type dohickies and some honest to goodness o rings, maybe some threaded fittings and a vent tube

 

If it is the dip stick, do not use an o-ring. Go to a shop and ask for the sleeve. They will know what you are talking about. Also, do not use a cork pan gasket. Use the black neopreem gasket WITHOUT any sealer and torque the pan bolts to torque. I think it is about 13 ft lbs. Never had one leak.

 

a shop, let me re-phrase that, a reputable transmission shop, at the very least should be able to pressure test your trans via a few ports located in the case. under a lower pressure than normally run, I think they may be able to locate a leak. re-sealing a trans already out of the vehicle is pretty easy and cheap to do yourself. then again..."horrible leak?" could be at lines or pump body which are at a much higher pressure when the engine is running.