a/c working fine but approx every 10 mins the air blows hot for couple mins on 1997 Ford Explorer

heater switch only works a/c on full, not normal setting

by in Savannah, GA on September 08, 2012
2 answers 1 comment
ANSWER by on September 09, 2012
it could be the resistor pack that controls the fan speed....try getting a repacement at a junk yard (aka recycle yard)
ANSWER by on September 09, 2012
Is it the A/C or the fan that only works at the high setting? in other words in the heat mode does the fan operate normally?
COMMENT by on September 09, 2012
the fan works on all speeds. the a/c only works on "high" setting.could the problem be something to do with the hot/cold switch.checking to see if it is vacum or cable operated. thanks

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