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Thread: Has anyone replaced a prop shaft carrier bearing for a 2010 XC70

  1. #1
    Join Date
    Dec 2016
    Location
    Gloucester County, New Jersey, USA
    Posts
    5

    Default Has anyone replaced a prop shaft carrier bearing for a 2010 XC70

    Hi gang,

    This is a question regarding a 2010 XC70 T6, with 148,000 miles. I have a variable pitched whine that changes while accelerating and decelerating. Came on rather quickly and I have yet to get under the car to pull on the prop shaft to see if I can get any movement or wiggle. My real question is can I pull the carrier bearing. I read someplace that it is not serviceable which sounds impossible. I guess the other thought that I had was a bad rear wheel bearing.

    Any suggestions or links would be much appreciated.

    Thank you,
    Mike in Gloucester Co. NJ

  2. #2
    Join Date
    Jul 2018
    Location
    Kansas City
    Posts
    4

    Default

    Quote Originally Posted by Our third Volvo View Post
    My real question is can I pull the carrier bearing. I read someplace that it is not serviceable which sounds impossible.
    I think you are going to find that the bearing is not serviceable.

    I have had my 2015 XC70 T6 at the dealership's service department several times, chasing an intermittent chirping noise I could hear while driving. Mileage is around 42k.

    They replaced the water pump. I am not sure how this was diagnosed but it did not fix the noise.

    The assistant service manager found a TSB that described a similar noise to what I was hearing. It was caused by an, "internal failure," of the PCV breather box. That also did not fix the noise.

    Ultimately the driveshaft was replaced due to a bad front bearing. If they could simply replace the bearing, why wouldn't they do that instead of the entire driveshaft? Some might claim they are trying to run up the bill but the work was done under warranty so this was not the case. Anyway, that was the fix.

    In looking for parts on line I don't see any driveshaft bearings listed separately. The bearings must be integral.

    Not what you wanted to hear, I'm sure and I think it's crazy that the bearing cannot be replaced independently.

  3. #3
    Join Date
    Mar 2011
    Posts
    7

    Default

    Hi Mike, I just responded to your other post, and then saw this one. My experience with a driveline 'hum' was caused by the rear differential pinion bearing. I did remove the prop shaft, and serviced the CV joints. The carrier bearing is not serviceable without cutting and re-welding the prop shaft, from what I have read and seen in reality. If it's bad, you have to buy a whole new prop shaft..... So much for low cost maintenance!

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