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Thread: Engine bay knock, intermittent 3.0TDV6

  1. 5th September 2018, 10:02 PM #1
    Towcar Guest

    Lightbulb Engine bay knock, intermittent 3.0TDV6

    Guys,
    The other day I noticed this weird metal on metal noise that was intermittent in the engine bay.....mostly when the car is cold, well I think so anyway.i can't really hear where it is coming from exactly. I'll have to pull covers off to hear exactly.

    Video- YouTube


    Any ideas, would be greatly appreciated.

    Cheers
    Jeremy Taylor
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  2. 5th September 2018, 11:09 PM #2
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    Ferret
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    It's related to the lock up mechanism of the fan. Mines been doing it for years. Have been told it's not a problem and I reckon after years of doing it without the sky falling in that is probably true.

    You have noticed it's only when cold, does not always occur and may have noticed also it goes away as soon as you rev the engine.
    2024 RRS on the road
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  3. 6th September 2018, 05:30 AM #3
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    justinc
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    Exactly the same noise from my TDV8 too.
    The Isuzu 110. Solid and as dependable as a rock, coming soon with auto box😊
    The Range Rover L322 4.4.TTDV8 ....probably won't bother with the remap..😈
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  4. 6th September 2018, 05:32 AM #4
    DiscoJeffster
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    Same noise here. Ignore it.
    2010 TDV6 3.0L Discovery 4 HSE
    2007 Audi RS4 (B7)
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  5. 6th September 2018, 05:55 AM #5
    Graeme
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    Quote Originally Posted by justinc View Post
    Exactly the same noise from my TDV8 too.
    Mine too.
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  6. 6th September 2018, 08:43 AM #6
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    justinc
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    Noticed mine at 84k, checked the belts and tensioners etc and found that they had all been replaced... possibly to 'fix' the noise??
    The Isuzu 110. Solid and as dependable as a rock, coming soon with auto box😊
    The Range Rover L322 4.4.TTDV8 ....probably won't bother with the remap..😈
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  7. 6th September 2018, 09:38 PM #7
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    me too - 2010 D4.
    I think for me it has always been when facing down hill.
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