2000 3.0 overheating
i got a 3.0 5 speed that at hiway speed temp is normal. at under 2000 rpms it starts to overheat. flushed the radiator twice, looked like rust.no help. then replaced thermostat,radiator cap. no help.replaced radiator no help. heater blows cold.... give me some direction to diy water pump replacement.... seems that maybe next...