Thread: Oil seal, between gearbox & transfer case

On my 300tdi disco I removed the transfer case while in the car quite easy though I did have a hoist

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Yes an easy job.There are some nuts inside the transfer box accessed through the cover plate.I have done it must be easy.
Cheers Will

Taking the seat-box out gives full access and you can stand inside the car while you work on it. The only hassle with that, is undoing all of the fasteners, which may have rusted together,

Cheers Charlie

Yes, transfer case can be removed without removing the gearbox. It can be removed without removing the seatbox, but is easier if you do - provided the fasteners come undone easily!

John

This is probably a silly question, and is probably a very basic question.

On the oil filler pipe and on the rocker breather there is a tube connection, in the past I have always connected these to a vacuum connection, but it then occurred to me that thi cannot be correct, in that wouldn't the fuel mixture be weakened.....? Any clues Fellahs ...?

Thanks,

Norm

Originally Posted by normbourne

This is probably a silly question, and is probably a very basic question.

On the oil filler pipe and on the rocker breather there is a tube connection, in the past I have always connected these to a vacuum connection, but it then occurred to me that thi cannot be correct, in that wouldn't the fuel mixture be weakened.....? Any clues Fellahs ...?

Thanks,

Norm

By the way it's a series 3 petrol.

The connection on the rocker cover goes to a connector on the air intake elbow above the carburetter, the one on the oil filler goes to Positive Crankcase Ventilation valve on a bracket from the intake manifold next to the carburetter, and thence to a vacuum fitting on the adapter below the carburetter.

John

Back to my gear box.

My efforts to replace the oil seal in situ were in vain........!


Despite my reluctance about pulling the gear box out, it turned out to be the best move I ever made...!

When I came to pull out the clutch linkage from the bell housing, it was to discover that one of the pins through the connecting tube, had broken into three parts. I would have been really p......d off, had I put the box back in to then discover that it would have to come out again..!

Anyway it turned out all oil seals need replacement and the seal on the main shaft, was approaching 5 on the moh scale it was that hard, not surprising really considering that I've never changed it and I've had the vehicle 40 years. But no wonder the oil was flooding past.