Whining noise

Faults and Technical chat for the Volvo XC40
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jb1885
Posts: 2
Joined: Wed Aug 28, 2024 10:09 pm

Post by jb1885 »

Hello all,

Am the owner of a new XC40 B3 Mild Hybrid and am enjoying the car very much except for one annoying issue. I can hear a high pitched/whining nose when the engine is on, it seems to come after ive driven a little while and the engine has warmed up.

It's audible over the radio on low and over the general engine noise. Wondering if this has been mentioned previously on here, I have searched but couldnt find anything.

Here are some links to some videos on one drive. If anyone could offer some advice if you hear anything similar in your car?



https://1drv.ms/v/c/67d923e1debd51ca/EW ... GQIEn-xLuQ
https://1drv.ms/v/c/67d923e1debd51ca/EQ ... g0SMcsg2Rw

Thanks,
Volvo XC40 B3 Mild Hybrid - 24 plate

gedger
Posts: 360
Joined: Thu Aug 10, 2023 1:45 pm
Location: Norfolk

Post by gedger »

Sorry those just seem to link to photos for me.

Sounds like the turbo, mine can be heard at times.
2023 XC40 Plus B4 AWD 19" 360 BLIS Tow bar Fjord Blue
poleposition
Posts: 99
Joined: Tue Jan 04, 2022 11:45 am

Post by poleposition »

If you hover the curser over the photo a play button will show to play the video.
XC40 MY23 B4P Plus AWD 7 Speed Auto AAOS
gedger
Posts: 360
Joined: Thu Aug 10, 2023 1:45 pm
Location: Norfolk

Post by gedger »

Bit hard to hover using an iPad….having listened it’s nothing like the turbo sound I get which is more of a whistle as you accelerate.
2023 XC40 Plus B4 AWD 19" 360 BLIS Tow bar Fjord Blue
jb1885
Posts: 2
Joined: Wed Aug 28, 2024 10:09 pm

Post by jb1885 »

The noise is really annoying and audible over just general talking on medium volume radio.

Booking car in with servicing team to investigate.
Volvo XC40 B3 Mild Hybrid - 24 plate
HIN88
Posts: 2
Joined: Mon Sep 02, 2024 8:07 pm

Post by HIN88 »

I had a similar vnoise but morev like a cricket chirping. Diagnosed as aux belt & tensioner problem, replaced under warranty at 10,000 miles.
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