basicconcepts
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- January 8, 2011
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so i replace the engine in an 01 explorer with an engine from a 99 every thing went great no problems i did use some parts from the 01 engine (water pump ac alt ps pump lower and upper intake wiring harness fuel rail and injectors) i also got a new thermostat upper and lower rad hoses and heater hoses the rad was never changed now im getting a hot upper rad hose cold lower cold heater hoses and the coolant doesnt heat up (i stuck my finger in the rad and the coolant was like room temp) so i flushed everything heater core rad and block put everything back together and no change it seems as if the coolant isnt circulating which is leading me to believe its the water pump but i was also told that the rad could be bad and according to the gauge its under heating im completely out of ideas and would really like to avoid slapping parts on this car that dont need to be replaced