c-mac Posted February 7, 2019 Share Posted February 7, 2019 (edited) I’ve got Mack chi 613 with an mp8 that’s blowing coolant out the overflow hose of the coolant tank mounted above the radiator. I’ve already pinched off the coolant lines to the compressor and it builds up to 15 psi in the tank. Is there anything other than a head or head gasket problem that will cause this? Edited February 7, 2019 by c-mac Quote Link to comment Share on other sites More sharing options...
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