Noticed I have a small leak on the bottom of the trans housing.......where there is a whole bunch of bolts holding a plate (to me looks like where a trans filter would be....but I'm sure its not) I have a manual I downloaded but doesn't cover where the trans fill is and where you would check the trans oil level.....and drain for that matter. I would like to drain the trans and put some new Swepco in......but don't know where the drain and fill holes are....any help would be appreciated!

Thanks
Arrccod

 

What you are looking at is the shift fork guide. If it's leaking, you can try to tighten it up, but most likely, you'll need to replace the paper gasket and possibly use a sealer as well. Silicone won't work. BTDT.

The drain is on the bottom. Should be a 17mm allen socket. The fill is on the left side and is a 17mm hex head. Pull the fill drain FIRST, then the drain. You don't want to drain it and not be able to fill it back up.

 

Good advice Rocket....always take out the fill plug FIRST. Swepco 201 is the best replacemnt. In some cases, youll actually find that it makes shifting easier.....not always, but in some cases. It's really a good product..

 

Thanks for the info...I knew you guys would come through! Being I'm changing from "Red Oil" in the trans to Swepco how long should i let it drain......or shouldn't i worry about the 2 oils mixxing????

Arrccod

 

Just let it drain until it starts a slow drip. What's left won't hurt anything.

 

The paper gasket you need to replace is only 75 cents from pelican parts so it could be worse...
Part number: 915-303-225-00 Gasket, Transmission Cover Plate for Shift Rod Support Fork, 911 1972-86, 912E, 911 Turbo 1976-88

Curil T gasket sealer works well on that one. If it's been off and you see a kinda sticky non hardening green sealer around the old gasket thats probably what was on there before.
It would seem most any gasket sealer would work on it, but for some reason sometimes they will still leak slowly.

It's a good way to take a look at part of the gearsets, shift forks, and synchro's to see if anything is visually and obviously wrong while it's off.
To rotate the gearsets and see them, rotate the wheels while the transmission is in nuetral and you're under the car with a flashlight looking up in there.
Also shift the transmission into each gear and you may be able to see a little more of the synchro parts exposed as the sliders are moved over onto a gears selector teeth as well.
If someone is holding the clutch pedal down you will be able to turn the wheels to rotate the gears while one gear is selected and your inspecting things.

You kinda have to know what to look for but if something is broken or the nuts holding the hardened guide fork to the cover plate are loose it may be obvious.

Always use jackstands under the car and if no one else is around... use backup jackstands as well.
I always put 2 sets of them inder tha car because the mailman would be the next person to find me flattened under the car if it fell on me... the next day.

 

we use 574 sealant, seems to work just fine....make sure the sealing surfaces are nice and clean, of course, we also use thick crush seals and nylock nuts on the 4 studs, the same crush seals that are used on the valve covers....remember not to fill the trany all the way till it runs out of the fill hole, that is overful, porsche lowered the level just under the fill hole so it would not run out of the vent hole when the fluid got hot while driving....good luck.....vinnie

 

If I use the curil-t or the 574 sealant will I need the gasket or just use the sealant as the gasket????

Arrccod

 

need the gasket....