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Gtir Motorsport club » Tech room » Help and Advice » Weird noise

Weird noise

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1 Weird noise on 17th April 2016, 9:30 am

shroom

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Hi all,

I have been subject to a weird noise. Usually seems to occur when the car is warmed up but can be random. Seems to be coming from behind the back of the engine I have used a bar to listen to the alternator plenum head and block and it just seems to be resonating from down below the plenum. It sounds a bit like a cow bell or heat shield revirbirating against something.

Its the higher pitch noise its hard to pick up so much on the video, its a quiet engine on this one but these phones pick up everything. See what people think?! If you turn it off and on a few times it goes.

2 Re: Weird noise on 17th April 2016, 2:28 pm

johnny gtir

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Hard to tell on video it's not further down. downpipe rattling against something ?

3 Re: Weird noise on 17th April 2016, 3:15 pm

shroom

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Yeah its weird I thought it might be the pipe that goes down behind it as the mount is not bolted up to the inlet its just loose. It has a stock downpipe so i know the heatshield around it is not in the best nick!

4 Re: Weird noise on 17th April 2016, 4:48 pm

johnny gtir

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Start the car and jack it it look from underneath

5 Re: Weird noise on 17th April 2016, 5:07 pm

shroom

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Only seems to do it randomly sometimes every time I get under or look it stops maybe im just been silly lol it has a scorpion exhaust so its a lot quieter than im used to!!

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