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Not sure what the thing in the middle, just to the left of the oil filter is, but it leaks oil when the car runs. Looks like something related to the oil pressure relief valve and/or cooler supply, but nothing directly called out in the ROM that I could see.
Looks like it's gonna be a beast to fix, so any help is greatly appreciated.
Which bit precisely do you mean? If you mean the big casting, there is an O ring seal in there which fails, so if you unbolt the casting you will find it and easily renew it.
See parts 18 amd 19 here: https://parts.jaguarlandroverclassic.../brand/jaguar/
Last edited by Greg in France; 11-22-2020 at 09:57 AM.
The 'O'rings in that unit leak. I replaced many for oil leaks in the oil cooler system.
Unbolt the pipe and the top and bottom fasteners, collapse the fittings, slide them out and replace the 'O'ring seal.
I think the oil will 'bubble-up' from the oil pan as the level is a little higher than the bottom fitting.
It's been about 30 years since the last one I did.