I washed my truck and it cost me $5.00, Yeah! It seems that when the rotor is real shiny and gets a speck of brake dust on it, then it will make an awful whining noise (only when taking off). If I want I can sand them down, but a car wash will do.
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check the condition of the alternater etc drive belts , to test rev engine and spray a little WD 40 onto the belts, if the whining goes then if your lucky a new set of belts will be all you need to change , but it could also mean a bearing is wearing out on one or more of the components that are being driven by the belts ,so more diagnosis would be needed if still whining after new set of drive belts
Hi, this sound is most likely coming from the power steering pump. I would first, check the power steering fluid level to see if it is full. if its not at the full mark, add some fluid. If the fluid reservoir is full upon inspection and the whiningcontinues, the pump may be damaged and the pulley on the power steering pump could be slightly out of sync with the pump housing.
The second issue could be belt slippage. i would do a tension check on the drive belt and pulleys as well. make sure there isn't any ware and tare on the belt and make sure the tension is to specs.
One of the front wheel bearings are bad. Jack it up and see if one is loose, the noise will usually change if you swerve back and forth while driving. Could also be a rear pinion bearing in the rear axle.