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Thread: 2.7 and 3.0 Td V6 Crankshaft Bearing Failure known manufacturing fault

  1. 1st July 2019, 09:46 AM #41
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    2.7 and 3.0 Td V6 Crankshaft Bearing Failure known manufacturing fault

    Quote Originally Posted by 101RRS View Post
    China is now doing a major recall of JLR vehicles because of bearing/crankshaft issues - this follows South Korea a while back.

    Jaguar Land Rover to recall vehicles over engine hazard
    Wonder how they ‘check’? Just let us know so we can do same procedure independently here.

    My suspicion is it will be to take car into workshop for duration of customer’s free coffee, adjust tools in drawer - and then return car to forecourt with double thumbs up - nothing to see hear - keep driving.
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  2. 1st July 2019, 12:04 PM #42
    Discodicky
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    Quote Originally Posted by PerthDisco View Post
    Wonder how they ‘check’? Just let us know so we can do same procedure independently here.

    My suspicion is it will be to take car into workshop for duration of customer’s free coffee, adjust tools in drawer - and then return car to forecourt with double thumbs up - nothing to see hear - keep driving.
    How does the saying go? "oh ye of little faith"
    (ha, ha, ha.)
    Might have to agree with you though!
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  3. 1st July 2019, 01:02 PM #43
    Graeme
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    Not saying that the indicator is low oil pressure but it wouldn't take long to connect a gauge, possibly in place of the pressure switch.
    MY21.5 L405 D350 Vogue SE with 19s. Produce LLAMS for LR/RR, Jeep GC/Dodge Ram
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  4. 1st July 2019, 01:52 PM #44
    kelvo
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    This is what they do, taken from here DISCO4.COM - View topic - Korean AJD-V6 Crankshaft Recall
    Attached Images Attached Images
    2014, MY14 Discovery TDV6, Fuji White (2018-Now)
    2003, Discovery 2a, Td5 Manual, Zambezi Silver (2012-2018)
    2007, Adventure Offroad Campers, Grand Tourer (2015-Now)
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  5. 1st July 2019, 01:54 PM #45
    kelvo
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    My crude translation of the ‘report’
    Attached Images Attached Images
    2014, MY14 Discovery TDV6, Fuji White (2018-Now)
    2003, Discovery 2a, Td5 Manual, Zambezi Silver (2012-2018)
    2007, Adventure Offroad Campers, Grand Tourer (2015-Now)
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  6. 1st July 2019, 03:19 PM #46
    DiscoJeffster
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    Does sound like an oil pressure test sequence to me given the “rev, idle, repeat” statement. Presumably they are looking at the pressures to spot loose caps or worn bearings that would lower both max pressure and idle pressures (but not so much as to trip the low oil pressure indicator). (Complete guess obviously)
    2010 TDV6 3.0L Discovery 4 HSE
    2007 Audi RS4 (B7)
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  7. 1st July 2019, 05:42 PM #47
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    How does loose or worn bearings reduce oil pressure?

    Regards,
    Scott
    D4 TDV6 MY14 with Llams, Tuffant Wheels, Traxide DBS, APT sliders & protection plates, Prospeed Winch Mount w/ Carbon 12K, Mitch Hitch & Drifta Drawers
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  8. 1st July 2019, 06:06 PM #48
    Graeme
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    The oil escapes faster than it should thereby preventing the maintenance of a higher pressure.
    MY21.5 L405 D350 Vogue SE with 19s. Produce LLAMS for LR/RR, Jeep GC/Dodge Ram
    VK2HFG and APRS W1 digi, RTK base station using LoRa
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  9. 1st July 2019, 06:24 PM #49
    BradC
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    Quote Originally Posted by Graeme View Post
    The oil escapes faster than it should thereby preventing the maintenance of a higher pressure.
    I guess that test would be absolutely reliant on having the manufacturers specified oil and viscosity in there.
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  10. 1st July 2019, 06:33 PM #50
    Graeme
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    Yes, the correct spec, clean oil although such a test is unlikely to reveal cap bolts not properly tight.
    MY21.5 L405 D350 Vogue SE with 19s. Produce LLAMS for LR/RR, Jeep GC/Dodge Ram
    VK2HFG and APRS W1 digi, RTK base station using LoRa
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