Seat Leon whining noise when acceleration

Car: Seat Leon
Variant: 1.4 tfsi
Model Year: 2009

When i drive and gentley acceleration is over 25 30 mph i hear a humming/ whining noise, but when the car is rolling i put it in nutrual noise stops

I did accidentally put £3 disel in then immediately filled it with petrol and after 2 months car drives fine just gear humming whine noise in 3rd 4th 5th 6th gear

Posted: Aug 12, 2022 (2 years ago)

Omar

Points: 1

Wrong fuel wont cause it , probably gearbox bearings

Posted Aug 14, 2022 (2 years ago)

whittingehame

Points: 38,540

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Seat Leon whining noise when acceleration

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