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Thread: Wierd water noise ?

  1. #11
    Join Date
    Jun 2007
    Location
    saratoga springs ,new york {upstate ,adirondacks }
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    1,878
    im with red .i had a similar sich
    mods:2004 sierra ext sb,20s ,big brake kit w,hawk pads,air bagged,2006 6.0 lq4 swap,vortec supercharged10psi, air to water intercooled w/ dual electric fans on it ,snow meth injection kit,60lbers, e-fans ,big radiator swap ,cam 218 /222 548/550 comp .hardened prs .1.85 comp roller rockers ,guideplates ,crane double springs,trans 4l65e built .pacesetter l/ts true duals w/x pipe and magnaflows,14 bolt rearend swap ,3.73s,aroemotive fuel pump system w/elec.fuel controller and bypass regulator a/n fittings, taylor 10.5s interceptor gauge,aem w/b a/f ,autometer boost/vac NELSON 93 OCTANE TUNED .

  2. #12
    Join Date
    Jun 2007
    Location
    saratoga springs ,new york {upstate ,adirondacks }
    Posts
    1,878
    Quote Originally Posted by ChevyLee View Post
    i checked for coolant in my oil, the oil looked fine. it wasn't milky at all. i didn't fill the coolant in my reservoir when i did the flush a last month when i did the water pump swap. i will fill that thing up, maybe it should go away.

    thanks to everyone who posted up

    -jeff, i hope its not that bad the truck only has 57xxx miles on it.
    make sure you purge -burp out the lines when yoou add coolant ,ive had oveerheating issues just because of air in the coolant lines .but first change that heater core.lol.what a bitch.
    mods:2004 sierra ext sb,20s ,big brake kit w,hawk pads,air bagged,2006 6.0 lq4 swap,vortec supercharged10psi, air to water intercooled w/ dual electric fans on it ,snow meth injection kit,60lbers, e-fans ,big radiator swap ,cam 218 /222 548/550 comp .hardened prs .1.85 comp roller rockers ,guideplates ,crane double springs,trans 4l65e built .pacesetter l/ts true duals w/x pipe and magnaflows,14 bolt rearend swap ,3.73s,aroemotive fuel pump system w/elec.fuel controller and bypass regulator a/n fittings, taylor 10.5s interceptor gauge,aem w/b a/f ,autometer boost/vac NELSON 93 OCTANE TUNED .

  3. #13
    ff_jeff Guest
    Ricky, I believe that it is the intake manifold gasket. My wifes only had 80k miles when it happened to hers. And I remember filling the coolant up every so often. thought it was just running it out. after about a month I noticed The coolant was going at a rate of about 10 cups in 2 days. then i checked the oil... not milky just look like way to much oil. popped the fill cap and found a little steam. water slowly dripping from the tail pipe. until it got hot then would not drip. It cost $450 bux to fix.

  4. #14
    Join Date
    Jun 2007
    Location
    maine
    Posts
    1,458
    on my old 4.3 before gm redesigned the gaskets they were known to blow which of course mine did and used to use my coolant up quick. once i put the new gm gasket with aluminum siding instead of plastic i never had the issue again...Good luck with whatever you find!
    09 CREWCAB LTZ SILVERADO, 6.2, SIX SPEED, CAI,

  5. #15
    Join Date
    May 2004
    Posts
    2,120
    The noise is definetly from the heater core. This is common in most vehicles when air gets trapped in the system from low coolant or a restricted system. If your coolant level is normal you should concider a drain and flush.
    Last edited by NITROUS; 01-23-2008 at 06:30 PM.


    97 GMC, 2002 LS6.

    1991 GMC Syclone #1428

  6. #16
    Join Date
    Sep 2007
    Location
    Texas
    Posts
    5,301
    bwahahaha i filled up the coolant res and the noise went away. my heater even got hot faster, and its even hotter then before.

    thanks for the help guys

  7. #17
    Join Date
    May 2004
    Posts
    2,120
    Sweet, glad it was simple for you.


    97 GMC, 2002 LS6.

    1991 GMC Syclone #1428

  8. #18
    Join Date
    Sep 2007
    Location
    Texas
    Posts
    5,301
    yep me too thanks nitrous

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