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I put a water pump on now.......

This is a discussion on I put a water pump on now....... within the General Help forums, part of the LSx Technical Help Section category; I have a viberation in park and neutral from 600 rpms to 1,000rpms then it is gone. If i put ...

  1. #1
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    I put a water pump on now.......

    I have a viberation in park and neutral from 600 rpms to 1,000rpms then it is gone. If i put it in drive it is not bad at all in fact you can hardly tell. It goes away after you get over a grand in rpms. and it is at its worse the closer you get to 1000 rpms. i thought it was the balancer because my old one wobbled a little bit but i replaced that and it still wobbles a little like before

    Anybody have a clue whats wrong? All the sensors are plugged back in, lines are hooked back up, and the pulleys and belts seem to be just fine as well.

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    Life in the Fast lane sunsetorangess's Avatar
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    Umm How much is a little wobble?
    J
    2001 SS, Its not the car its the Driver that matters....

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    Bent crank?

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    not alot at all...... had some people look at it and said its fine. but the viberation wasnt there until i did the water pump

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    You could have a bad water pump -- especially if it is a remanufactured one. Had the same thing happen in a Trailblazer last week. Vibration turned out to be a bad water pump that was installed around 6 weeks ago.

    Remove your belt and spin the pump by hand -- see if you can feel any "grind" in it, or if there is excessive play. Also, give your idler pulleys a spin and see how they feel.

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    Quote Originally Posted by pajeff02 View Post
    You could have a bad water pump -- especially if it is a remanufactured one. Had the same thing happen in a Trailblazer last week. Vibration turned out to be a bad water pump that was installed around 6 weeks ago.

    Remove your belt and spin the pump by hand -- see if you can feel any "grind" in it, or if there is excessive play. Also, give your idler pulleys a spin and see how they feel.
    thanks for the info.... the idler pulleys are brand new, but as far as i no the water pump is brand new, got it from car quest

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