My Freightliner Mercedes has some kind of grinding noise in third gear when I let up on the gas. Sounds like a bearing, but I don't know. This is the Auto transmission paddle shifter. Anyone had this before?
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Any abnormal noise is not good especially coming from the transmission. There is the possibility that the vibrations when in that gear are causing a harmonic noise from another source.
took it to Rush Peterbuilt today and they said it sounds normal to them. So, I'll take there word for it. We went for a test drive and they did hear the sound.