Originally Posted by Steeljag
Radiator fluid looking a little brownish and wanting to find time to change the coolant. While doing so, I'm considering replacing both the upper and lower rad hoses.
Thoughts on if I should grab the coolant and hoses at the Jeep dealer? NAPA store? Auto Zone or some where else ?
brown coolant is a result of the corrosion of your engine block. coolant has corrosion inhibitors in it, by the time your coolant starts turning brown those inhibitors are long deteriorated.
definitely time to fully flush the entire system and replace all the hoses.
here's the flush procedure:
brown in my radiator? - Page 4 - JeepForum.com
use only HOAT (like Zerex G05) - read here why: Does anyone change their antifreeze annually?