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Thread: Seized engine in D4 - what are my steps from here?

  1. 3rd January 2023, 11:16 AM #71
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    loanrangie
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    Quote Originally Posted by haydent View Post
    I checked wikipedia and it seems the only diesel territory engine listed?! car model SZ, they are cheap on ebay also didnt realise it was an australian made line

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    Yes only one model from 2011 til they stopped in 2016/17, you didnt realise the terri was an aussie designed and built vehcile ?
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  2. 3rd January 2023, 12:30 PM #72
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    Quote Originally Posted by Slunnie View Post
    I thought the 2.7's were just as prone to the same thing???
    From other sources it was said that the 2.7L proposed for the Territory was deemed inferior by Ford engineers who specified a redesigned crankshaft and other mods. Hence the apparently increased reliability of the Territory.... well that's my current understanding!
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  3. 3rd January 2023, 12:50 PM #73
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    Quote Originally Posted by Hoges View Post
    From other sources it was said that the 2.7L proposed for the Territory was deemed inferior by Ford engineers who specified a redesigned crankshaft and other mods. Hence the apparently increased reliability of the Territory.... well that's my current understanding!
    Hoges if that is accurate it would be a window into LR thinking at the time (and since). Cheers
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  4. 3rd January 2023, 01:57 PM #74
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    A family member as a rep of a Ford supplier visited the Ford site when engineers had a new LR 2.7 engine stripped down. At the time the engineers weren't very pleased with what they saw but I don't recall hearing anything specific.
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  5. 3rd January 2023, 04:07 PM #75
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    There are a few very interesting articles on the FB site called "Discovery 4 Crank Failing" in the UK. One article by JPSK Motors Pty Ltd is well worth a read. Essentially, they are of the opinion the problem can be traced to the extended oil change periods and/or incorrect oil being used.
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  6. 3rd January 2023, 05:05 PM #76
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    Quote Originally Posted by Discodicky View Post
    There are a few very interesting articles on the FB site called "Discovery 4 Crank Failing" in the UK. One article by JPSK Motors Pty Ltd is well worth a read. Essentially, they are of the opinion the problem can be traced to the extended oil change periods and/or incorrect oil being used.
    Thats interesting. A friend (not on here) who worked for JLR was also saying that the TDV6 absolutely has to have oil changes done on time.
    Cheers
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  7. 3rd January 2023, 05:14 PM #77
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    Quote Originally Posted by Discodicky View Post
    There are a few very interesting articles on the FB site called "Discovery 4 Crank Failing" in the UK. One article by JPSK Motors Pty Ltd is well worth a read. Essentially, they are of the opinion the problem can be traced to the extended oil change periods and/or incorrect oil being used.
    I am not sure if that is correct in all cases (given a few members on here with failures with were fastidiously about oil changes) then it still shows how close to the line they run at the best of times...ie still a weak design. No better than the D2 V8 but with a pretty big difference in repair costs unfortunately. Cheers
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  8. 3rd January 2023, 05:23 PM #78
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    lots of them die within a couple thousand klms of a service / oil change and there are more than a few people that believe the quality of the oil filter and its fitment has something to do with it as well.
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  9. 3rd January 2023, 05:29 PM #79
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    Quote Originally Posted by Hoges View Post
    From other sources it was said that the 2.7L proposed for the Territory was deemed inferior by Ford engineers who specified a redesigned crankshaft and other mods. Hence the apparently increased reliability of the Territory.... well that's my current understanding!
    think you'll find that relates to the f series trucks from what i have seen discussed.

    there are a few differences re territory setup vs lr setup, including a heavier flywheel on the territory, the use of the 6r80 gearbox which locks up in every gear and the weight differences in the vehicles themselves.
    2007 Discovery 3 SE7 TDV6 2.7
    2012 SZ Territory TX 2.7 TDCi

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    “What you leave behind is not what is engraved in stone monuments, but what is woven into the lives of others.” - Pericles
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  10. 3rd January 2023, 05:46 PM #80
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    Quote Originally Posted by Graeme View Post
    A family member as a rep of a Ford supplier visited the Ford site when engineers had a new LR 2.7 engine stripped down. At the time the engineers weren't very pleased with what they saw but I don't recall hearing anything specific.
    Sounds like a good reason to replace blown LR 2.7's with Territory motors assuming they are built differently.
    Cheers
    Slunnie


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