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Hissing noise

Posted: Fri Sep 11, 2020 6:01 pm
by davesedge
Hi all, my first Jaguar and first ICE automatic. I've noticed a hissing noise when driving. It rises and falls with the RPM as the car moves through the gears. Its not the ending as when in neutral you can rev the engine without the hissing. Its not that noticeable but I seldom have the music on so I can hear it in the cabin. The wife doesn't drive so I don't know if you can hear it outside. I just wondered if this is normal auto box operation. It never changes, so no worse, no better than when I purchased it last month. Its a late 2016 R-Sport 240hp petrol if thats of any bearing. It was serviced by Jaguar and is an approved used so has a 12 month warranty, its done 42000 miles.

Re: Hissing noise

Posted: Tue Sep 15, 2020 7:17 pm
by capese21
It doesnt sound normal. Not noticed it in my XE. There is a small fan a sensor inlet for the aircon which is just about audible.

Re: Hissing noise

Posted: Thu Sep 17, 2020 6:01 pm
by Johnc
As you don’t use your sound system and I’m assuming it’s not SWMBO hissing at you! Then you’re probably hearing the turbo.
It won’t hiss when stationary and revving as there’s no load.
My P300 petrol turbo is noticeably noisier (more enthusiastic) when I press the right pedal down to the floor :D