something is bubbling

after a good workout I pull back into the garage and shut her down. from either the fuel tank or hydraulic tank something is bubbling. only last about a minute or so after shut down. has a oil cooler. doesn't sound like boil so much as air bubbling but I could be wrong. ???? thanx

Try letting it idle for a bit before you shut it down and hold your handle like you said in your last post it might be loading up and bleeding off

antfarmer2 said:

Try letting it idle for a bit before you shut it down and hold your handle like you said in your last post it might be loading up and bleeding off

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Hopefully it isn't the radiator? it is possibly the cooling system, not sre where you'd get air in the other ones

I get the same symptoms on my 4610, but I would suspect the cooling system on my machine. The hydraulic system seems to be unaffected (all cylinders and drive pumps work perfectly fine without any interruptions), hence most likely the head gasket is asking for some attention. Otherwise I can't think of other possible sources of air pressure in the radiator. Next week when I do the Spring tune-up, I'm going to perform some tests and determine the source of "bubbles".