Technical Funny sound

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Technical Funny sound

Fire326

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Dec 28, 2014
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Hi guys hope you can help me with my issue.
I have a fiat bravo 1.4 t-jet 150. The issue i have is whilst I'm driving for an hour or so I get this sound coming from the bonnet it's hard to explain so here it goes. the sound is like a gulping sound and other times it's like something is moving.

When I slow down or stop the sound disappears, when it's idle and I'm giving it a good Rev there is no sound (after driving for 30-60 min)
Only occurs when I have driven around for a good hour.

I took it to garage for a full service and told them about this issue they said to me it's all good and they can't understand why.

He did mention my sump may need changing soon and my brakes are slighting sticking. Can the sump make this noise?

Thanks.
 
Last edited:
Found out where the noise is coming from. Loose insulation that goes right under the bonnet. Been driving me nuts.
 
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