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2008 2wd whine

Discussion in '4Runners' started by Wxguru, Dec 13, 2019.

  1. Dec 13, 2019 at 7:29 PM

    Wxguru [OP] Active Member

    Feb 15, 2019
    2017 Taco CC TRD 4x4
    Hello everyone,
    Have a 2008 2wd 4runner with 231500 on the odo.
    I have a weird whine/vibration.
    I can feel it in the floorboard, sounds like it is coming from the rear end.
    I will say it is quieter when going right around corners.
    It starts at about 15mph, goes away above 70mph. I also can put it in neutral and sound is still there. Sound also changes with rpms.
    I have had it on jack stands, and with it on the stands I can still hear it in the 20-30mph range.
    I dont have any play in any of the wheels at all.
    There is ever so slight side to side play in the drive shaft. I dont know if that is an issue, but there is no front to back play at all.

    Thinking will check diff fluids first, then go to u joints, and then wheel bearings. I dont really want to just throw money at it blindly.

    Anyone have any other thought? I picked this up in August for a good price and I could hear it then but thought it might be the tires just humming. It is in great shape overall for the age, and was a 1 owner...40+ year old woman so wasnt driven hard. Has a spotless...and meticulous carfax record.


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