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Sport Sudden shut down. Unable to start.

Discussion in 'Range Rover' started by alcarmichael, Jul 6, 2020.

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  1. Speckydude

    Speckydude Well-Known Member

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    We have had them, but it usually starts with a social media group and grows from there, with Crowd Funding to tempt a Pro Bono QC out of the shadows.
     
  2. lynall

    lynall Well-Known Member

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    I think that has been happening slowly over the last 6 years or so, even their other engines are not going down well.
    I would hazard a guess behind the scenes it is not a pretty sight, no lr mechs are going to speak out, if they do lack of customers= no work= no job.
     
  3. lynall

    lynall Well-Known Member

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    If you do decide to get it repaired, be very very wary of any cheap engine rebuilders, you know the ones who advertise on ebay etc.
    Body off for engine replacement.

    If you do some searching there are some posts/thread where a guy has his crank failure anaylsed from the remains of his busted crank (cant remember if 2.7 or 3.0?)
    Iirc the opinion was the cranks always fail in the same place as it is not man enough.

    I also cannot remember if the 2.7 and 3.0 cranks are the same part?
     
  4. Wazzajnr

    Wazzajnr Well-Known Member

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    2.7 crank and 3.0 crank are different stroke.
    That said, you can shoehorn a 2.7 in the place of the 3.0 and there are thousands of sub 1k jag s-types with a good 2.7 in them.
    They do fail in the s type but seemingly not as often.
    Many a horror story of xf's failing during warranty and jlr refusing to replace them.
    Pity because it's a beautiful engine when it's working.
     
  5. Datatek

    Datatek Well-Known Member

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    I read that the failures are due to the main bearing shells rotating in the housing and cutting off the oil supply. Other marques using the engine modified the shells so they could not rotate and so they do not suffer crank failure.
     
  6. lynall

    lynall Well-Known Member

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    I am not convinced by that theory, many makes of vehicles use shell bearings with no tabs (td5 being a well known engine) and you do not hear of them rotating?
    In my mind they have to have a reason to rotate in the first place, ie they have picked up for some reason (no oil/lack of oil/lack of oil changes/engine overheat etc)
    D4 more of an issue as no dipstick, so people forget/do not bother.

    The oil change intervals are way to long, the oil pressure is very low, the oil quantity is not enough for such a large engine.
    Do not forget people always take the psis with service intervals, ie I cannot afford it this month so will do it next month maybe possibly, and voila we have a recipe for disaster.

    Same failure has occurred in the peugeot and renault car versions with the same engine, always seems to be the same story either accelerating up to speed ie slip road etc, or minding their own business at 70 mph and pop goes the weasel.
     
  7. Mark Piercy

    Mark Piercy Well-Known Member

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    With everything learnt from engine building and design over the decades you would have thought the spinning shells, rounding camshafts and timing chain guide tolérances would be totally designed out... But when skf give a quote 1.3 million for a timing chain package and then fku gives the same package for 0.9 million.... You know what is going to happen unfortunately...
    The second hand market is of no concern to th manufacturers as they do have enough new car buyers and lease companies to keep them afloat.
    Most of us second hand buyers aren't considered in the scheme of their things.... Land-rover is just a name for the same plastic/electronic things that everyone else builds...
    Although!!!! Ineos grenadier ???
    There's a discussion...
     
  8. Datatek

    Datatek Well-Known Member

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    You may well be right.
    I'm inclined to think that every aspect of engine design is now pared down to an absolute minimum with a design life of 3 years.
     
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  9. gstuart

    gstuart D3 Grandad

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    Oh christ , I’m so sorry to hear that

    know it’s not much help now but alas if I bought a D4 I would also get a decent warranty to cover everything ,then at least it’s peace of mind

    there is a company in Russia who do an upgraded oil pump cover that provides higher oil pressure m if the reports are to be believed , so far so good , they’ve been out around a year and haven’t heard an engine fail yet with this upgraded oil pump

    https://extra19-5.ru/en/?fbclid=IwAR0BIVybpKWnNrvOCNe3sRnp1f9-iowZMtlXA4ZTQ7yZRKhxd5MIqG4AsFM

    also here is that report @lynall mentions ref engine test

    https://www.disco3.co.uk/gallery/albums/userpics/23856/D4_russian_doc.pdf

    also a rebuild video , hope it may be of interest to anyone

    https://www.youtube.com/playlist?list=PL8juANtLQIbxBaitvfS_-zo9GO5XLE8ea
     
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