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Gurgling dash sounds...

Discussion in '2nd Gen. Tacomas' started by KodiakToyTRD, May 14, 2011.

  1. KodiakToyTRD

    KodiakToyTRD [OP] Well-Known Member

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    I have an idea as to what this is but I am not sure.

    My truck has a running water/gurgling sound when I run it just after start up. I'm thinking this is the water running to the heating unit in the dash but I have never heard the running water sound in other vehicle, is there something I need to check out?

    On a semi related topic, there is a sharp curve in the road that I live on and when I have my heat on and I go around that curve, it gets cold in my truck...its very weird, is this something that has ever happened to you when going around a sharp curve? The curve is drawn out below and it only happens when I am going the direction of the stated arrows. Don't hate my Paint skills!

    [​IMG]
     
  2. KodiakToyTRD

    KodiakToyTRD [OP] Well-Known Member

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    Bump

    Anyone takers?
     
  3. 2TRunner

    2TRunner Don't give up here just yet

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    Check your coolant level, possibly low.

    check overflow tank and radiator.
     
  4. BUZZCUT

    BUZZCUT Well-Known Member

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    My bet is you have air in your cooling system. My 97 GMC would do that if I didnt get all the air out after a coolant swap.
     
  5. StandingCow

    StandingCow Well-Known Member

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    Yea, when I go around a corner, I do get a little bit of cool air in the truck, I notice it only in the winter though.
     
  6. SVHANC

    SVHANC Kermit

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    You could have condensation trapped in your ductwork. There is a drain line that tends to get stopped up and let water stay trapped. Usually it will be on the passengers side below the glove compartment.
     
  7. CorrosiveTendency

    CorrosiveTendency When up to your nose in shit, keep your mouth shut

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    Had the same issues in my '99 after a water pump replacement. Mine would gurgle on start-up, and at mid to high revs. Never did figure it out. New hoses, multiple flushes, vacuum lift flush, drain and fill with front of truck elevated, etc. I just got used to it. I credited it to air trapped in my heater core. Just turn the radio up. :notsure:
     
  8. knayrb

    knayrb Well-Known Member

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    Like others have said. You have air in your cooling system. Now I don't know for sure if we even have bleed valves or where it is. My truck is too new to need to find it yet. It's usually the highest spot on the cooling system. It looks like a bolt with a hole in the middle. Most vehicles have it right next to where the the upper radiator hose attaches to the engine. Some vehicles like a Saturn my son owned, didn't have a bleed valve because even the fill reservoir was pressurized and was the highest part of the system. With the vehicle warm carefully open the valve until all the bubbles disappear and a steady trickle of fluid escapes.

    Make sure your reservoir is filled to the high water mark so that air doesn't get sucked into the system when your engine cools.
     
  9. KodiakToyTRD

    KodiakToyTRD [OP] Well-Known Member

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    I'll check this out

    That was on your 99? I see you have an 05 now, no issues? Mine's an 05 too. Lol I usually do turn the radio so I don't have to listen to the noises it makes, ticking, exhaust rattles, etc. :rolleyes:
     
  10. wag225

    wag225 Active Member

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    Just had this EXACT same thing happen on my 2006 4.0. The water pump went bad. It had a leak, and made this exact same noise. It Is from having air in the coolant system. Mine was because my coolant had leaked out of the pump, therefore air took its place in the system. The reason the sound goes away after it warms up is because the pressure/coolant expands with heat forcing the air out and is pressurized with hot coolant.
    Also, you get a "puff" of cold air when turning because the hot coolant goes to one side and it blows the coolness (lack of hot coolant) through rather than the heat.
     
  11. CorrosiveTendency

    CorrosiveTendency When up to your nose in shit, keep your mouth shut

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    No issues on the '05. other than then ticking, and recently a heat shield making a minor vibration. some thick mud will take care of that.
     
  12. 05Moose

    05Moose Middle-Aged Member

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    http://www.tacomaworld.com/forum/2nd-gen-tacomas/73429-coolant-heater-core-sounds-normal.html

    Even after my coolant change, I still have the gurgling sound when the thermostat first opens up to allow the coolant into the cab. FYI, it only happens to me when accelerating from a stop going uphill with the inside temp turned to hot which is likely why I never heard it when it in years past. It was years before I lived in a location where I was accelerating uphill from a stop sign. Anyway, I figured there's just no way to get all the air out of the system even after a coolant swap.
     
  13. w8n4mud

    w8n4mud There's a mod for that!

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    I thought I would revive this thread seeing that I'm hearing the same thing in my truck. I keep looking under the hood but its hard to hear there. It has to be heard in the truck with all the doors closed, windows up and radio off. I've heard it for some time now. Same thing as others have mentioned. I hear it mostly after I turn on the truck and give it gas (either in N or D). It truly sounds like its coming from behind the steering wheel. I'm a little confused as to what people are trying to say what the problem is.

    If its the water pump, shouldn't I be experiencing other issues besides the occasional noise?
    All fluid levels are good.
    Water does drip when the A/C is on.

    Did anyone ever figure this one out?
     
  14. 05Moose

    05Moose Middle-Aged Member

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    It's just air in the heater lines. I've been hearing it for the last 8 years both before and after coolant change with no issues. I think it pushes the air inside then when the truck sits overnight, the air slowly rises and collects back to the high point in the lines where they go through the firewall.
     
  15. Crosis

    Crosis Well-Known Member

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    From what I understand you cane purge the air from the system by running the motor with the radiator cap off.
     
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