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  1. M

    Good waterpump replacement

    I meant tig the shaft pin to the gear...
  2. M

    Good waterpump replacement

    I have the locking tool. Just got a brand new unit from NAPA. If I have a local welding shop Tig the pin for some extra protection, will it mess up the bearings?
  3. M

    Good waterpump replacement

    Good call. I'll do that. Napa is just right down the street and in stock! Thank you!
  4. M

    Good waterpump replacement

    It just begins to leak out of the weep hole. Every time I've replaced it the impeller is pristine and still feels tight. There just shit pumps. Trying to figure out a way to improve without shelling out a bunch of money.
  5. M

    Good waterpump replacement

    2006 LBZ, Duramax tuner only. Want to keep it on the cheap. Truck has 230k and only highway miles. If knew how to pin it myself I could stop the constant coolant pissing in my driveway and 4 hours of knuckle busting every year.
  6. M

    Good waterpump replacement

    EDIT: PLEASE READ THE WHOLE THREAD BEFORE COMMENTING, THIS IS A SPIN OFF FROM WHAT THE OP THOUGHT HE NEEDED TO STOP HIS WATER PUMPS FROM LEAKING OUT THE WEEP HOLE Does anyone have a DIY on how to pin a Duramax water pump??? I'm replacing water pumps yearly, sometimes 2 a year and I'm sick of...
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