. ONCE THE VEHICLE HAS RUN, LET'S SAY, A GOOD 10 MINUTES AND SHOULD BE UP TO OPERATING TEMPERATURE
LETS REACH OVER AND FEEL THE TOP RADIATOR HOSE ----IS IT SO HOT, IT'S UNCOMFORTABLE TO HOLD ONTO IT?
HOW 'BOUT A SIMPLE, "FEEL THEM HEATER HOSES" AS THEY ENTER THE FIREWALL INTO THE HEATER CORE
IF THEM PUPPIES ARE REALLY HOT AT NORMAL OPERATING TEMPERATURE, . BUT COOL AIR IS BEING BLOWN OUT OF THE HEATER INSIDE THE CAR. SOMETHING INSIDE/ ON THE HEATER BOX IS MALFUNCTIONING, LIKE A BLEND DOOR/ LINKAGE/ OR A MOTOR.
IF THE ONLY ONE HOSE IS WARM---GENERALLY THE HEATER CORE IS STOPPED UP---MAY CAN BE "BACK WASHED" TO CLEAR THE PASSAGES
IF BOTH HOSES ARE COOL----THERE IS A CIRCULATION PROBLEM IN THE ENGINE OR IN THE SYSTEM UNDER THE HOOD
IF A HEATER HOSE IS CRIMPED OR TWISTED. OR THERE IS SOME SORTA SHUT OFF VALVE IN THE LINE THAT MAY NOT BE WORKING, IT COULD INHIBIT FLOW ALSO.
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THE MEDIC
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Sunday, February 17th, 2013 AT 3:58 AM