Vehicle & Technical > Defender

HELP!!! :( :( :( :( Rear main oil leak???

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craig_midz:
its a piece of [throw it] mate to do either take engine out of gearbox drop the clutch off an the flywheel prise old one out an push new one in but when u get the new seal its on a plastic ring dont take it off this ring as other wise seal wont seat right just put platsic tube onto end of crank an slide seal down the plastic tube onto crank an then just bolt flywheel back on usin some loctite an put engine or gearbox back in but remember to drain oil out of engine first otherwise when u pull seal out u will end up wearin half the engine oil i learnt that one the hard way lol

Les Henson:
If it's definitely coming from between the flywheel housing and engine block then it's not the crank seal, although you will have to replace it as you will have to remove the flywheel housing. The rear main bearing cap T-seals prevent oil from getting between the block and flywheel housing, so it's likely these are the culprit. Replacing the seals requires removal of the rear main bearing cap, so is quite a bit of work to do. If you're not prepared to replace the seals then you could alternatively degrease the flywheel housing/block mating faces and apply a continuous bead of silicone sealant to one face and then bolt the two together.
It could also be oil leaking from the sump at the back - this will run down the 'back' of the flywheel housing.


Les.

spy:
Many thanks!  I have ordered a clutch kit and rear main.  I think the silicone plan sounds good to me.  I will have a look at the sump gasket at the same time but I am hoping it will be more obvious once its out and in front of me...

Sounds like a nitemare saturday night ahead for me then!   :'( :'(

Cheers all,

Mike

Saffy:
probably doing my clutch and rear oil seal this weekend too :dance: Decided on engine out route as being the easiest for my situation.

Is the clutch kit part number same from both lt77 and R380 ? got some confusion over part numbers and descriptions on some supplier websites. (Might be anyidea for me to look on mircocat i guess)

spy:
I have no idea, although I suspect its the same.  I thought the clutch part number was the same for most of the 4cylinders.  Although im often wrong..  :D  Engine out for me 2 :(

How do I get hold of microcat?  It would be a damn handy thing to have, especialy now I have disco engine in defender..

Cheers,

Mike

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