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Hey Nancy==Simply remove the drain plugs from each side of the block and the bottom of the radiator. CAtch the old coolant and dispose of it properly. Refill the system with 50/50 mix of coolant and water. GoodluckJoe

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โˆ™ 2004-07-24 11:51:37
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Q: What is the GM approved procedure for draining and filling the entire cooling system radiator and block for a 98 Pontiac Transport?
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