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Should i change my thermostat if i plan to flush the coolant system? I would flush it my self and put new coolant in but i dont know how hard it would be to change the thermostat. I dont want to taint the new fluid with a dirty thermostat.
The thermostat on your truck is very easy to change. Just 2 bolts after you remove the P/S reservoir bracket which is only 3 small bolts. It doesnt use a gasket, just a big O-ring.