Thread: 2007 GXP water pump issue? Video attached

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  1. #1 2007 GXP water pump issue? Video attached 
    SE Level Member Cbierniat24's Avatar
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    My mom was complaining about some noises her GXP was making so I took a look thinking it was probably and idler pulley. Would this be the water pump rattling like crazy? I provided a video clip providing the noise and movement.

    I've been gone from here for a while because I sold my GXP to my mother. She loves it and I went with something else.

    IMG_0125.mp4 video by Chad_Bierniat - Photobucket
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  2. #2 Re: 2007 GXP water pump issue? Video attached 
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    remove belt, turn pulley by hand and feel for irregularities.

    Alternatively you could use a mechanics stethoscope to listen to each accessory to pinpoint the source of the noise.
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  3. #3 Re: 2007 GXP water pump issue? Video attached 
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    How do I drain the coolant on the LS4? On my GTP i had a petcock on the lower portion of the radiator. I can not locate a drain for this car. Is there a drain on the radiator or block this way i can avoid siphoning or unhooking hose and letting it spill everywhere?
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