Radiator flush
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Join Date: Jun 2004
Location: Houston, Tx
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If you go to www.installuniversity.com and check the thermostat replacement, there's a good write-up. The trick is to disconnect the coolant hose going to the throttle body when refilling slowly, and then run the engine up to normal temp for a few minutes with radiator cap off. Let the engine go through several warm-up cool-down cycles and top off the radiator as needed.