Hi all, new to this forum and looking for information on how to fix this transmission leak. I can smell the oil when I step out of the truck after driving and it looks as though its coming from the rear end of the transmission and driveshaft connection (see pics). Not 100% sure though and I am no expert on trannys...is there a seal here that could have gone bad and is it a somewhat easy fix? Is this a common problem? I drive a 92 toyota pickup 2wd with 109,000 22re. I believe the tranny is a w56, although I could be wrong there.

I appreciate any insight.

 

A few things to do:
Clean up the area around there so you can keep an eye out for exactly where the leak is coming from.
Check the trans fluid level and top off.

 

OK, thanks for the response. Will clean it up tonight when I get home from the gym and keep an eye out. Any idea what that large bolt is at the bottom of the housing in the pictures? Looks to me like a gasket there is beat up and oil drips from that general area.

 

Yep, get it clean and dry. Make sure it's just the one leak so you only get under there once to repair.

Could be leaking at the speed sensor, or housing also. It doesn't appear to have much "slinging" coming off the shaft.

 

I'll clean her up and keep you guys posted. Thanks for the responses.

Carb cleaner ok for the job or is there something specific I should use?

 

Cleaned it up and topped off. No major leaks at all, must have been all that gunk making it look worse. There is a very small leak coming from what looks like a sensor (I'm guessing the speed sensor) in the last pic previously posted.

Is there some type of gasket that can be replaced here?

 

I'll get pics up asap

 

Pretty sure it's an O-ring. Don't remove the screws, remove the bolt with the 12mm hex head then twist and pull the sensor out. You'll see the O-ring on the body of the sensor.

 

Just got a better look...might be that bolt above the sensor (pics upside down). Again I am a noob w/ tranny anatomy

Thanks!

 

It's still a bit hard to tell where the leak is coming from, all the sealing surfaces still look wet and oily. Try using an aerosol can of carb cleaner or brake parts cleaner to spray all the seams down. If it's wet all the way to the top it might be the shifter base leaking oil.

 

I have a feeling it might be the shifter, it was wet up to there when I cleaned it a couple nights ago. Might also explain why it has trouble shifting into reverse sometimes.

I'll get a better look at it tonight after work (had to sneak out to my truck for those last pics...might get fired just to fix this leak lol)

 

Some of these trucks can be a little difficult going into gear. I have it such a habit on one like that such as going into Reverse, try putting it into another gear first then go to Reverse. It should not be difficult to go into gear but with the high mileage, things are probably worn out. Switching to different gears is cheaper then replacing a transmission. After a while it will be come second nature to you. Same trick usually works if having problems with first gear and you are at a stop.

 

Leaking from the shifter base...anyone know what could have gone bad here and what might need to be replaced?

 

Not sure how the 2wd transmissions are set up up there. Hard to tell for sure from the pictures but it looks like it might be similar to the W56B transmissions which have a thick rubber gasket between the transmission and shifter base. There is a thick washer for each bolt to keep the gasket from being crushed too much. When you pull the shifter base off it's very easy to bump the gasket and knock the washers right into the transmission. So be careful.

Once it's apart, clean it all up, see if the rubber is pliable, and re-assemble it with some RTV to help seal it. Ideally you would buy a new rubber gasket but I'm assuming you're cheap like me.

 

Clean the surfaces and the rubber gasket with brake parts cleaner. The RTV won't stick to oil.

 

I can get at this through the cab without dropping the tranny right?

I might just order a new gasket too depending on it's price vs. a tube of RTV

Thanks

 

You can on the 4WD trucks. I would guess that the 2WD trucks have a similar access panel there but I'm not sure how big it is. Hopefully someone else chimes in.

 

Anyone know where I can order one of these gaskets from? My searches have led me to believe that the shifter bushing is what I'm looking for but I wanted to double check here first.

Thanks

 

I believe this is rubber gasket/oil baffle. Toyota P/N 33143-35050.

Can be found on Amazon or possibly other places for a bit less.