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Ford Raptor Forums - General Information
Ford Raptor Maintenance Forum
Coolant drain procedure needed.
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<blockquote data-quote="Chris@FreedomMotorsports" data-source="post: 1120148" data-attributes="member: 8341"><p>You do not have to drain it through the block and I would recommend draining the radiator and then driving it and draining again. The process I have used many times is to drain the radiator, refill through the overflow tank with distilled water. Then run the truck at idle until it gets to normal operating temperature and the fans kick on. This opens the thermostat and transfers the water in the radiator into the engine and vise versa. Then drain and refill with distilled water again. Repeat that process 3-4 times until you are draining straight water. Use the same process to fill with coolant, etc. Works like a charm.</p></blockquote><p></p>
[QUOTE="Chris@FreedomMotorsports, post: 1120148, member: 8341"] You do not have to drain it through the block and I would recommend draining the radiator and then driving it and draining again. The process I have used many times is to drain the radiator, refill through the overflow tank with distilled water. Then run the truck at idle until it gets to normal operating temperature and the fans kick on. This opens the thermostat and transfers the water in the radiator into the engine and vise versa. Then drain and refill with distilled water again. Repeat that process 3-4 times until you are draining straight water. Use the same process to fill with coolant, etc. Works like a charm. [/QUOTE]
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Ford Raptor Forums - General Information
Ford Raptor Maintenance Forum
Coolant drain procedure needed.
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