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Old 10-20-2014, 09:36 AM   #23
BLT gmc
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Join Date: Feb 2014
Location: West Iowa
Posts: 1,107
Re: Heater Hoses Mess..cry for help from the Uk

Coolant spitting out of the overflow could be overheating or pressure from the combustion chamber (as Grumpy suggested head gasket). Time to measure the temperature of the coolant. If it is too hot you have a overheating scenario; if it is operating temperature and it is bubbling you are having compression leaking into the coolant system. Also you need to test your radiator cap. Will it hold the pressure it is supposed to? Good luck, Bruce
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