I still get a small amount on my pressure cap, but not much.There was a creamy substance on the inside if the expansion cap, but since I've flushed it with just about everything it's nowhere near as bad but time will tell.
There is no creamy stuff on the oil filler cap and never has been
Thank you so much for your advice and support I will do as you and John has suggested and keep monitoring it. Can you tell me what the PCV filter is ? I have recently changed all the oils and oil / air filters and the oil cooler but not sure about the PCV filter ?I agree with John ( Nodge) I have yet to see that an M47 Td4 or R40 diesel engine have head gasket failure, I think the PCV as been blocked and oil as got in, of even the via the oil cooler at some point. do a few more flushes run the car and keep a check on it, that is what I would do. make sure the car as a full service clean Air filter, PCV filter, clean manifold & EGR also MAP sensor and enjoy driving the car.
Thank you so much for your advice and support I will do as you and John has suggested and keep monitoring it. Can you tell me what the PCV filter is ? I have recently changed all the oils and oil / air filters and the oil cooler but not sure about the PCV filter ?
Ah yes I know the little bugger now I changed that for the new mod kit when I did the air filter and thank you for your reply as always it's very much appreciatedPCV filter is or (crankcase filter)
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If left for to long they go hard and no longer filter the oil as they get blocked.
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https://www.ebay.co.uk/itm/Rover-75...010/271314931460?_trksid=p2485497.m4902.l9144
It can be removed, as @Nodge and I did on mine...You can't remove the thermostat on a TD4, as it's an integral part of the housing.
Did I read too quick whilst catching up on posts? It's late after all...It can be removed permanently, as I took yours out!
You can't remove it temporarily, so as to allow the coolant to circulate all the time for cleaning though, which I think was being suggested in that post.
Thanks I'll give it a try and let everyone know how I get onDid I read too quick whilst catching up on posts? It's late after all...
Solved
Ok just to update everyone, I had been having cream appearing in my expansion tank for over 12 months, I was worried it was the Hg but being the bmw engine I figured unlikely. I changed the oil cooler first but alas still had the problem, next was the auto gearbox oil cooler which i replaced 1 month ago and im happy to report my creamy crap has gone. I did test the old oil cooler by filling it with water and then after a few hours found it leaking out of the oil nozzle so figured there must be a split in the cooler itself. Happy it wasnt the dreaded hgf, big thanks to Nodge who mentioned it was unlikely on this type of engine.
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