Coolant system flushed

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May 21, 2013 | 05:37 AM

thinksnow

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Coolant system flushed

I posted this over on the Expy forums but I know there is a lot more users over here. I flushed out our 07 Expy tonight, it left me a little confused. I drained and collected the old coolant. Topped off the system with water and ran the truck for a while with the heat on hi, then drained the system again. I repeated the process a third time. When I added the new coolant I could only get it to take 7 qts. It should take far more then that. That is going to leave my coolant strength far to low. Should I go for a long drive, come back and drain off more mixed coolant and replace it with pure coolant to increase the ratio. ???
Thanks for the help fellas

May 21, 2013 | 03:24 PM

ojai150

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From: Ojai California

How did you drain it? did you pull the lower hose off the radiator?

May 21, 2013 | 08:10 PM

thinksnow

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No, just used the drain, and what a bitch it is to reach.

May 23, 2013 | 10:03 AM

jr105

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From: Groton, MA

If you just used the drain on the radiator, the coolant in the block and heater wasn't drained. You can pick up an antifreeze tester for about $5 at any auto parts store to check your mixture.