Buying a defender with oil leaking from the filler cap

[Jimmy93]

Just wondering what everyones instinct on this would be??

I am yet to inspect the vehicle and i realise that it could be a few things, but i was wondering what i should look for in particular in an inspection or if you would just avoid it completely??

defender is a 300tdi

cheers
jimmy

[VladTepes]

Is it definitely leaking or is it just spill from when it was filled?

Oh and on the subject of inspections if you thin you are ready to go ahead with a purchase I strongly recommend you gate a land rover specialist workshop to do a pre-purchase inspection for you.

[VladTepes]

Disclaimer: I know bugger all.



There could be a couple of causes. It may be a buggered or blocked crankcase ventilation valve.
See top left right diagram (labelled 5) here: Land Rover Workshop Manuals > 300Tdi Defender > ENGINE > CYLINDER HEAD GASKET (http://workshop-manuals.com/landrover/defender300tdi/engine/cylinder_head_gasket/)

In a worst case scenario I think it might be too much wear on the cylinder walls causing blowby. I think the former is more likely.


No doubt someone with more knowledge will drop in and offer a better opinion.

[steane]

Filler cap on my 300TDi leaked when I first took possession of it. A new filler cap fixed the issue.

That's how I fixed most of the oil leaks. Replaced worn-out 20 year old parts with new ones.

[Jimmy93]

I will look closer when i inspect it, but i suppose if i have it running and take the filler cap off and smoke is coming out i should run from it..

It would be nice if it was just an old filler cap.

And if i like the look of it ill definitely get a land rover mechanic to have a look over it.

Cheers
Jimmy