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good to hear. what did they charge for the replacement? i have an 06 expedition the needs new rear bearings.

just got finished spending the day replacing the water pump, tensioner idler pulley, thermostat and coolant outlet housing on my sisters 05 explorer 4.0. well actually i replaced the water pump. assembled. started up and found the outlet housing leaking. was probably the original leak but 100k...

check the rad for blockage by using an infrared thermometer. hit the rad every 4 inches up down left right at operating temp. also check the inlet and outlet temps of the rad and thermostat housing.

this may work. accuracy would depend on how it is mounted. http://www.jcwhitney.com/engine-cooling-thermostat-switches/p2000903.jcwx?filterid=j1# or this one from summit http://www.summitracing.com/parts/PRM-19003/ summitracing.com has a much bigger selection.

from what you are describing the blower motor or bm resistor doesnt seem to be a problem. seems to be a vent door/vaccum problem. but more certain diagnostic tests will need to be performed to pinpoint the problem.

have you considered a thermal switch on the condenser? when the condenser hits a predetermined temperature the switch sends a signal out to trip a relay which in turn turns the fan on.

is this a common issue? my sister has an 05 with an airflow problem. the blower motor works hard on high as far as sound. it has never blown a fuse. on monday i planned on checking the current draw on the blower which i anticipate being within acceptable levels. i then plan on pulling the blower...