Asked by Jan 09, 2017 at 12:14 PM about the 1999 Ford Expedition 4 Dr XLT SUV

Question type: Maintenance & Repair

i am having a problem with my heat cold  them hot i put a new heater cord,water
pump,therostat, radiator,i had the motor antifreeze pump out  of the motor and
new put back in , check the flap it works but i still get heat cold  them hot cold
them hot i need help please

2 Answers


not sure i understand the problem- "heat cold then hot cold etc." but with a new heater core and all that other cooling system work you might have air bubbles trapped in the sealed cooling system- it is a zen exercise to refill the coolant in some new cars to ensure that all the air is out of the system-

i took it to jiffy lube they drain all the coolant out refill it and they got all the air bubbles out

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