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Bad wheel bearing was the diagnosis, and it should be covered by my extended warranty, thank goodness! However, I was also told that all my tires are very unsafe and I need new ones pronto. :-( Now to search the threads for tire suggestions.....
I too have a humming sound from the front of my 2006 lexus GS300 AWD with 162,000kms and I hope that it is the wheel bearing and not a transmission. Have my appointment schedule for next week. Does anyone know of the expected cost of a front wheel bearing replacement?
Did anyone mention Servo motors? ^^^^The cost of the front wheel bearings will be too much if you do it at the dealership, try independent certified mechanic. GL!