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  #1  
Old 07-01-2017, 08:53 AM
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Join Date: Jun 2017
Location: Australia
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450 se engine made a wierd sound

Hello, I was wondering if anyone could know what was causing the sound from my engine. I was doing some testing and I had let the engine run for a little bit and then I heard this dingin sound , I shut the engine off straight away so I did some inspection because it sounded something was hitting my fan but found nothing untoward. I started it very briefly and the sound was there again. Anyway I took a video, the sound happens in the last few seconds.
Thanks to you all.

https://www.youtube.com/watch?v=xAXFdzje9Lc
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  #2  
Old 07-03-2017, 06:39 PM
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I'm on a slow internet connection and can't access the vid. When engine mounts wear, the engine sits lower and sometimes the fan can hit the shroud. Past that I can't offer much unless I was in front of the car.
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  #3  
Old 07-03-2017, 08:03 PM
andyslc's Avatar
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Join Date: Aug 2016
Location: Bangkok Thailand
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Fan clutch about to give up th ghost???????
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  #4  
Old 07-16-2017, 06:27 AM
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The timing chain was pretty sloppy and I also made a video of the bottom of the engine https://www.youtube.com/watch?v=ZnMYCcpeteE.
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  #5  
Old 07-16-2017, 06:29 AM
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I found the timing chain a bit loose, here's a video of the bottom.

https://www.youtube.com/watch?v=ZnMYCcpeteE
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  #6  
Old 07-20-2017, 06:00 PM
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If you suspect the timing chain is loose, pull the right side valve cover (left side when looking under the hood - the one with the oil cap). You would see wear patterns on the head and/or the valve cover from chain slap. This would mean you need a new chain and tensioner (or at the least new upper chain rails), unless that wear is from a previously stretched and since-replaced chain.
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