Water Pump- 199x 960

Discussion in 'Volvo 960' started by Randy G., Jun 20, 2005.

  1. Randy G.

    Randy G. Guest

    On a recent timing belt replacement (my second on this car as routine
    maintenance), as always I did an inspection of all the timing
    components. I had replaced all tensioner, tensioner pulley, and idler
    pulley last time, and had a water pump on hand, but the water pump
    that was in ther felt like new. Smooth, no notchy-ness, and good
    bearing friction.

    This time, at 18,000 miles of use all felt fine EXCEPT the water pump.
    It felt really bad- lots of friction and a scraping noise. I removed
    it and found that the entire bearing and shaft assembly had shifted
    forward far enough to allow the vanes to rub against the pump's
    housing! It has worn a groove in the casting all along the outer edge
    of the vanes as if it had been run in a lathe. The groove was not
    terribly deep (like maybe 1mm or a but less) but I was sure glad that
    I use such a short maintenance interval on the timing belt!

    So, if you do this work yourself, have all those parts on hand, and
    when in doubt, replace them!

    __ __
    Randy & \ \/ /alerie's
    '93 960 Estate
    Randy G., Jun 20, 2005
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