If it's from the front of the engine then check the oil pump seals. 2012 TDV8 Vogue (L322)

I’ll check again but the very front of the engine seems completely dry. No evidence of any leaks.
That’s what’s so frustrating. I’ve cleaned the drips away from the skid pan fixings bolts ( centre rear two) again today and they will have a small drip again tomorrow.

I think I have this common leak from the oil seals at the top rear of the engine. I am getting the burning oil smell particularly after couple of miles up a steepish climb and can see drops of oil on the exhaust.

I have tried to inspect down the back of the engine this morning with my borescope, but not completely sure what I am looking at in the attached images.

Can someone confirm from the (not great sorry) images that oil is in the area of the leaking oil seals.

Thanks

Paul.

It looks to me that oil is coming from more than just the o-rings on that pipe fitting and therefore the oil cooler gaskets are leaking. However I found it easy enough to change just the o-rings initially anyway.

Agree with GreameS on this Paul. Clean up as best as possible around the pipe bolting area and bellow then replace the two seals(with viton!!). Run the car for a few days then re-inspect. You will still get the oil burning smell for a while. Don’t know where the hell the oil hides but it’s good and takes some burning off.
If you’re lucky, job done. If not then get the gaskets for the cooler and swap out those. This is what I had to do in the end. Not a hard job for someone good with their hands if you’re comfortable about it.

Mike

GraemeS Smoggie35, thanks for your replies I will order some o rings and start with that


Thanks
Paul.

I've just had to change mine's o-rings again after 5 years due to oil leaking down both sides of the back of the engine. The old o-rings had flattened somewhat but I was concerned as to how easily the fitting was refitted, albeit with a film of grease. I'm thinking that the harder Duro 90 might be a better choice of compound to keep its shape better and therefore keep sealing for longer. BS611 in Viton 90 is generally available.
I couldn't see any oil in the bottom of the V around the oil cooler so hopefully only the o-rings this time.

I changed mine with BS611 in Viton 90 last week. They needed a firm push even with a film of oil. Fingers crossed that was the source of the leak.
As others have posted there was noticeable difference in the old and new o rings.

Click image to enlarge

Excellent!

The blue smoke from the secondary turbo is normal on this engine and unrelated.

Looking at the photos, the oil could be EGR related? Maybe the EGR gasket? 2015 Range Rover Autobiography 4.4 SDV8

Thanks for the reply garyrr, I have recently replaced the secondary turbo thinking turbo seals were cause of the smoke and now researching the secondary turbo oil drain modification to see if that helps. The turbo oil feeds are fed from the back of the oil cooler and around the back of the heads to the turbos so don't think that's the cause as the leak seams to in the V of the engine,is there a pcv valve on these engines that could be in need of replacement? I can find replacement for the petrol engines but not diesel.

Sorry garyrr just seen you comment regarding the egr, I have resealed either end of the metal egr pipe thinking that could be the cause but still the same. Looks like I'll need to strip it down, clean and rebuild with all new gaskets and seals.

Here's the same section of my engine bay, in case it helps pinpoint something which may be amiss on yours. It's dusty, but then it has done 155,000 miles.

Thanks garyrr, I'll get into mine on the weekend strip it down and hopefully find the problem, has anyone carried out the turbo oil drain modification?