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My 1999 makes a loud knocking noise when in park

(1999 Ford Expedition)
in Appleton, WI on March 19, 2014
my radio goes out when driving and my 4x4 sensor light inside dash flashes and when Im driving and come to a stop it makes a loud fanning noise in engine. also when I turn off engine in the inside dash it makes a clicking noise
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Popular Answer
of Greg's Orange Auto on March 20, 2014
scan codes but sounds like you have a couple of issues. clicking noise could be air door actuators and fanning noise could be locked up fan clutch. just a good guess but start there
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