2.5tdi (BDH) rear crank seal

[billybob]

Hi there,

I have recently developed a serious oil leak. From underneath the rear of engine and gearbox are covered in oil. I had a look underneath today with undertray off, cleaned it up some and ran the engine and within a minute I've got oil appearing on both sides. Very little room to see the source but based on the rough location I'm thinking this could be the rear crank seal. I'm finding it hard to find any info about the replacement of this. Has anyone replaced one? Any idea where I might find some info?

Thanks

[arman123]

Have a look here try to find it

https://ifinterface.com/prog/car/cp2/inprog.php

[billybob]

Thanks, that's a good starting point. Doesn't seem to have BDH engine in it but I'm thinking BDG + manual gearbox could equate to BDH.

[Crasher]

What is the VIN? Replacement is engine or box out.

[billybob]

WAUZZZ8E75A089355 (quattro)

My workshop is the roadside on axle stands. It would have to be box out as opposed to engine out (not that I fancy it much but it's a lovely drive so be nice to keep it going). From what I've gathered it's subframe off, gearbox out, clutch off. It's been wanting a new sump gasket for a while so could at least sort that too but getting a bit old for doing this job on my back. I heard the box is circa 120kg! Looking to keep costs down so if I did it I'd like to refit the existing clutch - is that easily do-able? I did a 1998 Passat 1.8t clutch on my old house driveway a couple of decades ago but can't remember much about it now! (except that the box weighed nothing like 120kg and there was a lot more room than with the 2.5, and even that was a bit of a faff as a 1 man job).

[Crasher]

I recently put the box back in an S2 we are restoring, even on a two post lift using a heavy duty gearbox jack, it took three of us to get it back in even with the engine out, on your own, on your back, getting old like me (61), I would need an ambulance. The upper sump gasket is now D 176 404 A2 sealant and I would do this engine out, on a stand, so you can invert the engine. The rear sealant flange 059 103 171 and gasket 059 103 181 are now obsolete genuine (except from Tradition) but easily available aftermarket as a flange or just seal