Quote:
Originally Posted by 4406mopar
How do you clean out a rusty cooling system like the one described above. I'm looking to clean it in the car, not tear down the engine. Thanks
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If you have an electric pump on it, drain it including pulling the plugs in the block. Refill with fresh water and a can of some type of cooling system cleaner. Circulate that for awhile and drain again. Circulate and run clean water through it until it runs clean. Refill and include a can of additive. Without block drains and an electric pump, it becomes a little more involved.
I used Justice Brothers products because I sold them and they worked well. Any quality anti-rust product should prevent the coolant from turning to mud.