Transmission uses oil

Can you restate your question? I'm confused as to whether the radiator is losing coolant or not. Usually, white smoke is coolant, black smoke is gasoline and blue smoke is oil.

Carl

Replace the vacuum modulator on the transmission. It has ruptured and intake manifold vacuum is now pulling the ATF from the transmission.

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Carl, the collant is ok antifreeze clear and level good. I put new transmission oil in the transmission because it was empty, or a least below the stick. While doing this with engine hot and running white exhaust came out the tail pipe. I then checked the engine oil and it was a inch or two above the fill mark. It also looked brownish black. The oil was recently changed so it should have been clean and at the right level. After the transmission oil was brought above the add oil level and the car driven for a few days, the level is low again. But there is no oil on the ground where the car is paeked. Can the Transmission oil get into the Engine?

Thanks, Keith

Carl 1 Lucky Texan wrote:

Thats an easy one..... The Automatic transmission "Modulator" valve has a hole in its diaphram. It's literally sucking tranny fluid into the intake manifold. Change the modulator valve....

I'm assuming automatic tranny? Check for presence of a vacuum modulator valve. If there is one, pull the hose from it. It should be DRY. Any oil means a bad modulator diaphragm which WILL cause fluid burning