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Waterpump on a CAT

Discussion in 'Trucks [ Eighteen Wheelers ]' started by bob1234, Jan 23, 2012.

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  1. Jan 23, 2012 #1
    bob1234

    bob1234 Light Load Member

    71
    1
    Nov 10, 2010
    brantford, ont
    0
    I have a 06 mxs and noticed when worming the truck up i get some sippage from the hole in my water pump when the engine worms up no more sippage should i be concerned or is.this normal
     
    bob1234, Jan 23, 2012
    bob1234, Jan 23, 2012
    #1
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  3. Jan 23, 2012 #2
    mgfg

    mgfg Road Train Member

    1,753
    626
    Mar 29, 2010
    0
    Typical CAT water pump>the impellor shaft seal is telling you it's time!
     
    mgfg, Jan 23, 2012
    mgfg, Jan 23, 2012
    #2
  4. Jan 23, 2012 #3
    Superhauler

    Superhauler TEACHER OF MEN

    12,209
    100,733
    Jan 30, 2010
    keep stroking.
    0
    i've had some seep forever and some fail in a day. its a sign to get ready to replace it.
     
    Superhauler, Jan 23, 2012
    Superhauler, Jan 23, 2012
    #3
  5. Jan 23, 2012 #4
    Giggles the Original

    Giggles the Original Road Train Member

    6,761
    84
    Jun 11, 2010
    looking for a new stalker
    0
    dont ya know cats HATE water...???
     
    Giggles the Original, Jan 23, 2012
    Giggles the Original, Jan 23, 2012
    #4
  7. Jan 24, 2012 #5
    KaptainKenworth

    KaptainKenworth Bobtail Member

    33
    18
    Jan 19, 2012
    Alberta Canada
    0
    It normal to see residue around the hole ( its a breather).. however it fluid starts coming out its toast.
     
    KaptainKenworth, Jan 24, 2012
    KaptainKenworth, Jan 24, 2012
    #5
  8. Jan 24, 2012 #6
    Shade Tree

    Shade Tree Light Load Member

    177
    44
    May 15, 2011
    Galloway Ohio
    0
    The other thing to not do, is plug that hole. It will push coolant into the crankcase. CAT used to have a sponge in the weepholes to keep dirt out and operators thought if I just plug it it won't leak. NOT good.
     
    Shade Tree, Jan 24, 2012
    Shade Tree, Jan 24, 2012
    #6
  9. Jan 24, 2012 #7
    bob1234

    bob1234 Light Load Member

    71
    1
    Nov 10, 2010
    brantford, ont
    0
    It's like a streak marks around it no puddles on the ground
     
    bob1234, Jan 24, 2012
    bob1234, Jan 24, 2012
    #7
  10. Jan 24, 2012 #8
    cowcatcher

    cowcatcher Light Load Member

    58
    12
    Dec 11, 2011
    Ridin' round with the top down !
    0
    A CAT waterpump is designed to leak a little. As long as it don't hit the ground your good.
     
    cowcatcher, Jan 24, 2012
    cowcatcher, Jan 24, 2012
    #8
  11. Jan 25, 2012 #9
    bob1234

    bob1234 Light Load Member

    71
    1
    Nov 10, 2010
    brantford, ont
    0
    good to know thanks
     
    bob1234, Jan 25, 2012
    bob1234, Jan 25, 2012
    #9
  12. Jan 25, 2012 #10
    07-379Pete

    07-379Pete Crusty Commando-Pete

    2,549
    2,347
    Oct 3, 2008
    Campbellsville, Ky
    0
    Its a cold water leak and when it warms up it gets sealed off. Mine leaked like that for a year before the 5 year 500000 mile warranty ran out, but it would never leak while at a Cat shop. A leak is a leak and if they would have seen it leak I could have gotten a new pump.
    When my water to oil cooler dump water into the trans I removed the cooler and pluged the lines and when the radiator was filled and the truck started the pump leaked like a sieve.
     
    07-379Pete, Jan 25, 2012
    07-379Pete, Jan 25, 2012
    #10
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