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Well, my truck rolled over 30k and its time for a cooling system flush. What I plan on doing is draining the radiator and engine block, filling the radiator with distilled water, running the engine until the thermostat opens while adding water as necessary with the heater on high, then draining everything again, and refilling with Toyota coolant at a roughly 50/50 mix. Then I will repeat the same procedure for bleeding the air out - by running the engine with the cap off and heater on high and adding coolant as necessary until all of the air is gone. Let me know if this is a right procedure or if I am missing something. Thanks.
Dmitry
Dmitry