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Thread: replacement head options

  1. 16th August 2013, 03:58 PM #1
    Pepi
    Pepi is offline Fossicker
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    replacement head options

    Hi all,

    Diesel in oil problem

    Had head pressure tested and came up ok. I was
    told that the head needed to be heated and then
    pressure tested, as the crack will only show at
    temperature, so head was heated in wash bath to
    90 degrees and then pressure tested again...no leak.

    After a conversation with head refit kit supplier I was
    Told that even though the head passed the test, the
    Problem would probably still be the head from their
    experience...I thought I might replace injectors but was
    strongly advised not to waste my money.

    Any thoughts?

    Just wondering if the AMC heads are any good.
    I have heard from some that say there a better
    Option than original LE head and then have als
    Heard from prominent LR guys in WA that they
    are rubbish.

    Then there is the option for fully conditioned
    Original LR head.

    Not sure what to do.
    Thanks
    Pete
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  2. 16th August 2013, 04:04 PM #2
    Disco Muppet's Avatar
    Disco Muppet
    Disco Muppet is offline Moderator Gold Subscriber
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    AMC heads are supposed be better in that they've got a bit more meat where the heads normally crack.
    Could it be that it needs to be skimmed?
    If it's pressure testing okay then I'm not entirely sure how it could still be causing a problem?
    The Phantom - Oslo Blue 2001 Td5 SE.
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  3. 16th August 2013, 09:24 PM #3
    schuy1 Guest
    Yes an aftermarket head from the likes of Turners is far and away better than a reco standard. As DM says they have a lot more beef in the problem areas. It is still possible for a head to pass a pressure test but still be faulty. Be aware that even an AMC head will fail if subjected to overheating. Alloy heads of any description dislike heat..
    Cheers Scott
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  4. 24th August 2013, 08:00 PM #4
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    turbopsi
    turbopsi is offline Master
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    Another cause of diesel in oil problem is injector seals and washers. Might be worth a try.

    www.discovery2.co.uk / TD5 Engine - Injector Seal Replacement
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  5. 25th August 2013, 10:19 AM #5
    Pippin
    Pippin is offline Master Subscriber
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    Smile

    Hi Pete,

    Yesterday I finished installation of an AMC Turner Head (which is currently on special at 1045 pounds) after diesel in coolant problem which developed into blowing hoses problem. I am very impressed with the quality and it runs beautifully. Definitely the way to go if you need to replace the head. If you do go down the replacement head path fit it with the exhaust manifold bolted on it is a lot easier.

    Regards
    Nick aka Pippin (I need to change that user name I think)
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