Oil Dilution Issue

Faults and Technical chat for the Discovery 5
Posts: 13
Joined: Sun Sep 03, 2017 7:57 am

Post by VeryDisco5 » Tue Aug 20, 2019 3:55 pm

I think it clears the air considerably in that this document should immediately dispel the ridiculous notion that "driving style" was ever the sole cause of the problems being experienced.

It looks as though JLR knew up to four years ago that some of its cars had an inherent proclivity for rapid oil dilution, shortened service intervals, DPF clogging & failure and EGR cooler and valve failure. Clearly the engineers did their best to resolve challenges caused by vehicle architectures and emissions hardware but it's equally clear that they failed on some vehicles (D8) while achieving only limited success on others (D7u).

Because of the engineering issues some significant limitations on vehicle usage became necessary: these should have been drawn to the attention of customers prior to sale. Failure to inform customers of usage limitations could constitute misrepresentation under sections 1 and 2 of the Misrepresentation Act 1967. Whether or not the sales people involved had access to the full facts is immaterial for recission - and damages could also be awarded, even in the absence of a deliberate misrepresentation.

See the Act for more information.


Posts: 2
Joined: Fri May 14, 2021 1:44 pm

Post by Nicknack » Fri May 14, 2021 2:17 pm

Hello all new member here but been lucking for a few months..I own a discovery sport My 17 and it suffers fom the dreaded oil dilution. I'm looking to upgrade but wanted to find out if the MY19 and My20 disco 5s suffer from oil dilution as well? Can any of the owners reliably confirm?

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