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Changing coolant
December 19th, 2011, 11:57 PM
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Changing coolant
I have a 2004 6.0l 2500 Silverado. I want to change the coolant. The question being, how do I get the new coolant into the radiator? There is no cap on the radiator. the overflow bottle has a pressure cap on it. Do I pour the new coolant into the top hose and then run and adjust level from there?
December 20th, 2011, 9:57 AM
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After draining old coolant and flushing out radiator add new GM approved coolant thru overflow bottle. Thats the best way to refill the radiator. I usually drain rad by the lower rad hose and also undo a heater hose to flush it out. Secure all hoses and refill.
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