Noisy balance shaft.
My V40 T5 (Polestar software) is five years old travelled 18ooo miles with an oil change every six months. Main dealer maintained (Lookers) with Volvo's extended warranty. They now tell me that there is a noise from the engine balance shaft at approx. 2,200 rpm. They quoted me £1,000 to fix it. I asked if this came under warranty but the dreaded lock-down came into effect so no reply to date.
I did not know that these four cylinder engines had a balance shaft, so I would welcome any advice as to the seriousness of this noise, and as to whether or not such a problem should be expected at such a low mileage.
Many thanks
Villarsch
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