I have been trying to track down a leak in my transaxle. New seal and O ring in speedo angle drive. needed that but it didn't fix the drip.So I cleaned the trans with brake clean and took it out for a drive. Gear oil seems to be coming from the front part of the gearbox where it meets the engine case and coming out the vent hole at the bottom of the bell housing case. Given all that, I'm thinking the input shaft seal is leaking. Am I on the right track? Any other usual suspect places that it could be coming from?
Yep, your on the right trail. It is easily removed w/o splitting the trans.
same as a VW? Is trans removal a one man job?
Depending on how dirty it is source of leak can be confusing.
Before you drop it make sure it's not an easier fix like the output shaft seals.
The leak from the bell housing is most likely the input shaft seal.
I started losing a lot of tranny fluid from that area last year. Not wanting to take the car off the road, I kept driving it. The leak sprayed on my brand new Sach's clutch, causing it to burn out in about 4000 miles.
It's not a bad job. I put a screw in the old one and slide hammered it out. Used a piece of PVC to drive the new one in.
OK you have given me faith. I have good tools and a hydraulic floor jack. Also have a furniture dolly. Do I have to loosen the motor mounts as well or will the motor sag enough, (supported of course) to pull the trans out? I suppose the muffler has to go as well. HE's can stay as I see it. I may just do the clutch TO bearing and pressure plate while i'm in there. the car has 68K original miles so it may be due. Hate to take it out twice. I will re-seal the whole gear box while it's out as well I think.
Loosen the motor mount bolts, it reduces the strain on the rubber part of the mounts when you tilt the motor. Remove the muffler, but the exchangers can stay.
--DD
You might contact Mark Heard (914Sixer) to see if he still has any OEM German input shaft seals left.
While you're in there, might not be a bad idea to remove the flywheel and replace the motor's rear main seal too (with a Sabo brand) http://www.ebay.com/itm/Sabo-029105245-Engine-Crankshaft-Seal-/121953723422?fits=Make%3AVolkswagen%7CModel%3A412&hash=item1c6502241e:g:jssAAOSwA3dYl1KG&vxp=mtr
GoWesty recommends this brand and there are many happy campers (literally) benefiting from them.
and a new flywheel O-ring
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