car makes a hum noise when taking off an after every gear change but goes away after you reach a certain speed.
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2001 Volvo S60 Question: humming noise
Answer #1Bret Bodas from RepairPal Test Shop, August 03, 2010, 10:35Master
This sounds like a transmission noise, but best to have a technician listen to it to be sure. Here are some shops near you, have someone go for a ride and see what they suggest: http://repairpal.com/directory?address=78723&car_bran...