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945 axle thrust washer replacement 900

posted by  OwenF on  Sat Nov 16 01:57 CST 2024
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last visit: Sat Jul 7 13:55 CST 2012
[RELATED]

My 1991 945 has a lot of "slop" in the back axle - off the ground there is a lot of back and forth movement at each wheel.
I have replaced the diff sun and planet thrust washers on MG and other British cars to reduce this wear - is this easy and straightforward to do on a Volvo 940 axle? Has anyone done this job?
Thanks
Ian F








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    posted by  someone claiming to be on  Wed Dec 31 18:00 CST 1969 [RELATED]

    Hi Owen,

    If that is the same Dana rearend that is used on 240's of that vintage, the axel shafts are splined and free to move in or out of the differential. The outer bearing, held in place on the inside by a pressed on spacer and on the outside by a locking plate, should be holding the axel in place.

    All the rear outer bearings I've had out have been ball bearings so there is no adjustment. The bearing runs in grease and is sandwiched between inner and outer seals. An inner seal failure will lead to the rearend oil washing out the grease
    and premature failure of the bearing.

    By 'back and forth' do you mean in and out of the differential ? and can you measure 'a lot'? When were the bearings last serviced ?


    It it was mine I would pull one of the axel shafts and see what's going on. It's not a big job.

    Peter



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      posted by  someone claiming to be on  Wed Dec 31 18:00 CST 1969 [RELATED]

      I understand all the workings of the axle. My question was how easy is it to replace the thrust washers in the sun and planet gears in the diff - two flat and two cup shaped if they are of a normal design.

      Ian F



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