High pitch engine noise under load

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High pitch engine noise under load

S60 & V60 '18> / XC60 '17> / S90 & V90 '16> / XC90 '15> General Forum for the SPA-platform 60- and 90-series models

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Apr 12th, 2023, 14:34	#1
fonyod24 New Member Last Online: May 23rd, 2023 13:49 Join Date: Sep 2019 Location: Bristol	High pitch engine noise under load Hi On my Volvo XC90 D5 Momentum 2016 (85.000 miles on the clock) I have developed a high pitch noise from the engine area which comes on only under load/ during acceleration (at about 2500-3000 rpm) and then disappears again at higher revs. It is more pronounced uphill and when the car is fully loaded. I never seem to get it when the car is cold. It started about 9 months ago and is slowly getting worse. I originally thought it might be from the Turbo system and brought it to Volvo but they said they could not find anything wrong with it but they also said they could not hear the noise. No smoke. No increased diesel consumption. Power seems to be ok all but that I think I have lost some top end speed (around 20mph on German motorways). I have an audio file of the noise and will try to find a way to upload it. Can anybody help? Many thanks Chris

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