What's the best way to clean out (can I use another chemical}your overflow tank after putting wrong coolant in and it thickened up quite a bit in my 2002 Jeep Liberty Sport?
I have put in a new radiator and hoses and thermostat but didn't know the best way to clean this plastic tank and I really cant afford a new one.
Unbolt it,remove from vehicle and use bleach to clean ,then replace.
I am always really careful mixing bleach with anything (bleach and ammonia is deadly as an example); otherwise, do clean it.
Once removed as Top Shade suggested, no bleach as chassy suggested and just add water and shake.
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