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Water pump going out

This is a discussion on Water pump going out within the General Help forums, part of the LSx Technical Help Section category; Where is the weep hole on a 99 ls1 water pump behind the pulley? Looks like its ending up on ...

  1. #1
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    99 Z28

    Water pump going out

    Where is the weep hole on a 99 ls1 water pump behind the pulley? Looks like its ending up on the front of my oil pan and when i turn on my car the low coolant light comes on then if I turn it off then back on no light WTF. I'm sure its not oil I do also have an oil leak but I didn't put green oil in it. It looks wet under the pulley but I can't see the weep hole.

  2. #2
    Senior Member Orcus79's Avatar
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    black
    2002 WS6

    The weep hole can be hidden under the pulley. As for the low coolant light, those are less the accurate on a good day, But it does sound like your water pump is leaking.

  3. #3
    Veteran 0rion's Avatar
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    06 duramax

    yep, weep hole is back there. Pump is probably starting to fail. Pretty easy job to do.

  4. #4
    Life in the Fast lane sunsetorangess's Avatar
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    Met. Sunset Orange
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    If water is coming out of your weep hole then the seals inside the pump have failed, its time to replace, like orion said its a simple straight forward job..
    J
    2001 SS, Its not the car its the Driver that matters....

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    thanks thats what I was thinking any suggestions on a good mechanical pump?

  6. #6
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    2000 camaro ss

    i bought the bosch from pep boys ($130) and seem to work just fine.

  7. #7
    used and abused at wot ibanez7's Avatar
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    2001 Camaro Z28 M6

    easy fix, 6 bolts....

    edlebrock, claims their new waterpump flows more.

  8. #8
    Member qwk93ta's Avatar
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    Why not go with an electric WP?

  9. #9
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    2002 Pontiac Trans Am

    It'll only take like ten minutes to change that thing out. You'll spend more time running the air out of the system than you will replacing the pump. Mine did the same thing when it went out. WAY easier than the LT1 in my old Formula.

  10. #10
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    Quote Originally Posted by qwk93ta View Post
    Why not go with an electric WP?
    Daily driver and I don't have 600 bucks to spend on one.

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