How do I drain 240d transmission oil?
 

On my 1982 240d I have removed the transmission pan and filter and about 1-2 quarts of oil have drained out. I was expecting 5 qts. Is there another drain plug?

Torque converter. Rotate the engine until the plug become visible through the view port, you may have to remove the plastic dirt cover blocking the port.

Do not worry about trying to fill it, it will fill itself when you start the engine.

And always remember to ONLY TURN THE ENGINE CLOCKWISE (rotation going towards drivers side of car).

Just thought I'd add that, moving it backwards = big problems.

There is a small allen screw in the torque converter. You can access it from an opening up towards the front of the tranny. You have to spin the engine and watch for the allen to come around to where you can get to it. Sometimes you can move the t.q. with a screwdriver by prying on it, but usually you have to turn the engine and watch.
I lay under the car, put my 27mm on the crank bolt, kind of lay sideways under the car and turn the crank whilst watching for the elusive allen. Seems like it is 6mm or so....

**guess we were all typing at the same time. Good pic above, and good advise. Those guys are good....** :D

After you put a few qts in crank the engine to fill the torque converter before you fill it the rest of the way.

Thank-you for such quick answers and the picture. I am figuring out how to use this forum as well as the 240d. I will stick my head back under the car and look for the allen screw. I may have to get the right size allen screw tomorrow. And also thank-you for the tip to only turn the engine clockwise. This dummy needs it.

I see where the allen screw is supposed to be, good thing I cleaned the underside first. However there must be some trick to get the 22mm socket on to turn the engine clockwise. The fan shroud and I think an AC hose are obstacles that can probably be overcome. Any further suggestions?

A deep 27mm socket is better than a 22mm socket to turn the engine.

I am using my deep impact sockets and I do have a short swivel extension. There must be two nuts in there if a 27mm or 22mm socket will work.

A deep 27mm socket and 1/2" ratchet will fit without removing anything.

Ok got it. The transmission fluid is slowly dripping out, sort of like there is no air vent relief. Very heavy dripping. So thank-you again it looks like all will be well.

Sounds about right for cold fluid, it will kinda dribble out of there for a while....its only air source is the drain plug hole....so that slows it down. Shouldn't take more than 10-15 mins to completely drain out.

I didn't see a gasket on the allen screw. Is there supposed to be one?

There should be a small aluminum or copper washer....if there wasn't one and it wasn't leaking without it, then it may not be "absolutely" necessary....but originally it did have one.

If it wasn't leaking before, I'd just put it back on, snug it and call it good...doubt it will leak.

Teflon tape couldn't hurt, just don't overdo it.