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Weird X5 Top End Noise

Norrimac

By Norrimac,
in BMW X5 Series Forum

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Norrimac Newbie

Norrimac

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Posted

Hi, I'm new here. Thanks in advance if you can help!

I just bought a S/H X5. 2002. 3.0 petrol. 120k miles.

It's as sweet as a nut but there's a weird noise coming from the top end.

It's intermittent. Seems to go away when the engine is hot.

But alarming! Any comments would be much appreciated!

Thanks, Norm

 

 

Greydog Grand Master

Greydog

Posted
Posted

Hi Norm

Welcome to the Forum

Sounds like a Tensioner needs replacing possibly water pump but the tensioners are the place I would start

Dave

X5smw Rising Star

X5smw

Posted
Posted

That’s a noisy bearing or tensioner as greydog said. Try different things like turn the AC on and off to see if there is any difference. Hopefully an easy one.! 
welcome to the petrol X5 world!

Norrimac Newbie

Norrimac

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Hi Stu and Dave, great info, thanks to both!

As an update, what's odd is that when the engine is up to temp, it's totally silent.

Nothing. But when cold, it appears to be coming from under what I would describe as the spark plug cover.

I guess I should remove it? Take a look?

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      Weird X5 Top End Noise

      Hi Stu and Dave, great info, thanks to both! As an update, what's odd is that when the engine is up to temp, it's totally silent. Nothing. But when cold, it appears to be coming from under what I would describe as the spark plug cover. I guess I should remove it? Take a look?
      Norrimac in BMW X5 Series Forum
    2. 3

      Weird X5 Top End Noise

      That’s a noisy bearing or tensioner as greydog said. Try different things like turn the AC on and off to see if there is any difference. Hopefully an easy one.! welcome to the petrol X5 world!
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      Weird X5 Top End Noise

      Hi Norm Welcome to the Forum Sounds like a Tensioner needs replacing possibly water pump but the tensioners are the place I would start Dave
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      Hi, I'm new here. Thanks in advance if you can help! I just bought a S/H X5. 2002. 3.0 petrol. 120k miles. It's as sweet as a nut but there's a weird noise coming from the top end. It's intermittent. Seems to go away when the engine is hot. But alarming! Any comments would be much appreciated! Thanks, Norm
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