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1.2 dig-T engine noise

Posted: Mon Oct 16, 2017 4:34 pm
by chrisw99
Modern engines make so many new noises compared to yesteryear I never know what is right or wrong.

My J11 is due for it's 3rd service/1st MOT next week, and I was wondering about the "wooooo" whining noise when you start the engine and then rev it gently when idle and out of gear, as I've just recorded here...

https://youtu.be/o1vqQAqrE7M

Can someone tell me if all 1.2 J11s do this. Mine has since the day I got it, but seems a bit louder recently so I was curious.

Re: 1.2 dig-T engine noise

Posted: Mon Oct 16, 2017 6:44 pm
by fat controller
Sounds like a noisy alternator bearing to me - whether it is normal or not, I have no idea, but I am sure your dealer will tell you that it is regardless....

Re: 1.2 dig-T engine noise

Posted: Mon Oct 16, 2017 6:59 pm
by chrisw99
They already did say it was normal when I bought it. But I'm not so sure

Re: 1.2 dig-T engine noise

Posted: Mon Oct 16, 2017 8:05 pm
by Pandjh
Well mind's been in for a new cam-chain tensioner recently and is also making the same noise. I therefore assume it's normal as if anything were wrong they would have been able to do it as warranty covered work.