Very new to military vehicles, have a M923 I just use on the farm. It’s often started and driven short distance then shut down. I do drive on the road some. Started it half hour ago just to move it to flat ground to check diff fluid. It ran maybe 5 minutes. Shut it down, sitting in the truck answering a text and heard a gurgling sound. Coming from the air intake. Gurgling sound last about 2 seconds then about 6 seconds of nothing. Took fuel cap off & listened, not coming from there. Opened the air filter housing, dry inside, but could hear the gurgling. All air intake lines appear to be intact. So I assume the sound is coming from the engine. Anyone else ever had this happen? Anything to be concerned about? Thanks in advance for your assistance.
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Gurgling sound in air filter
- Thread starter Tacitus
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I'm thinking you were hearing the air system bleed down.
OK thank you, I should have added that all fluids are topped off, recent oil & filter change, I bleed the air tanks at the end of the day. Constantly check air & oil pressure and engine temp. Air pressure is slow to bleed down when shut down between jobs during the day. Low miles & hours after rebuild, if meters are correct. Seems to be in really good condition.
Shirehorse
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All of my trucks do that gurgle too.