Technical Whine at high rpm

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Technical Whine at high rpm

Joined
Nov 29, 2017
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I’ve got a really loud whine/whirring that starts at about 4500rpm and gets louder with more rpm. Happens in both neutral and in gear. Oil and coolant levels are normal, had a new cam belt and water pump about 3 year ago. Air filter is clean and in securely. Always has full service with MOT every year and is due in next month. Any ideas what it is? I’ve got a video of it here: https://vimeo.com/452907525

Thanks.
 
How old is the cambelt kit..



Bearing..waterpump



In miles and months please





Most things would built gradually..



So Im wondering if its air:gasses 'leaking'



The water pump and cam belt was done at Fiat Alfa Specialist Teesside (FAST) using an original fiat kit and that was 3yr/20,000 miles ago.

I don’t drive the car hard and I don’t usually have the revs that high but I only noticed it when going down a really steep hill the other day in low gear.

I’m going to mention it to the garage when I get my MOT to see what they find.

Thanks.
 
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