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Old 04-13-2016, 10:23 AM   #5 (permalink)
KM Richards
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It's just a little air in your cooling system that is flowing thru the heater core that is inside your dash.

This is not an issue at all other than a little noise

You'll need to find a way to "burp" your cooling system to make sure all air gets out.

One way of doing that it take off the coolant system cap {when vehicle is cold}, start it up and let it get to normal operating temp where the coolant is flowing normally... and then put the coolant cap back on.

This should give the system opportunity to flow normally and in doing so let any air in the system come up to the top and should be eliminated since you have the cap off.
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