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Knocking when reving

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Old Sep 16, 2013 | 11:09 AM
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EU Knocking when reving

Hi I have a problem with my car like at this video :
<iframe width="560" height="315" src="//www.youtube.com/embed/btiWAy0QhWo" frameborder="0" allowfullscreen></iframe>

Car starts normal when it is cold and hot accelerate normal.

Do you have any sugestion what can it be ?
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Old Sep 16, 2013 | 11:19 AM
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check ur mounts ?

it sounds like u got something hanging loose
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Old Sep 16, 2013 | 11:22 AM
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I put down gear box and everything look ok tomarow I will start engine witout gear box and I will see if this is from engine or somehing else.


Wha do you mean "check ur mounts" ?
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Old Sep 16, 2013 | 11:24 AM
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engine mounts on both sides.

also, check ur radiator rubber mounts on top, as they age they will rip apart.
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Old Sep 16, 2013 | 11:28 AM
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We check with hearing aid all car and the sound i coming from back off engine (the loudest) when it is input with gearbox but you can hear it at the from of engine put not so loud
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Old Sep 16, 2013 | 01:56 PM
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drop the tranny and see it then .
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Old Sep 16, 2013 | 04:12 PM
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might be worth looking at the heat shields on the cat and header.
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Old Sep 16, 2013 | 05:00 PM
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the transmission should be eliminated from the equation by simply pressing on the clutch and putting it into gear.

could be a broken up catalytic converter or engine mounts ripped.

could also be from inside the engine but it would be evident by a copper oil shower from the drain plug and the 0 reading on the oil pressure gauge.
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Old Sep 17, 2013 | 03:07 AM
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I dont have catalytic The sound is coming from engine today we will start engine without gear and see

What do you thing about engine mount ?
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Old Sep 17, 2013 | 05:29 AM
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We will turn the engine spin to minimize the cost of repairs becose sound is from engine shaft ;/
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Old Sep 17, 2013 | 08:40 AM
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Repairs? if your shaft wobbles it's cheaper to just buy another engine!
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Old Nov 16, 2013 | 06:33 AM
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Old May 1, 2019 | 12:54 AM
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Update:







I change my clutch and ignition. Sound comes from near by exhaust system do u have any idea? Car run normal at hot or cold engine only this sound...
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