why does my air condtioner makes a grinding sounds inside of car. on 2007 Kia Rio

WHEN AIR CONDTIONER IS ON NUMBER 5 , THE AIR GO HIGH AND THEN VERY LOW.

by in Ogden, UT on December 31, 2012
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1 answer
ANSWER by , January 01, 2013
Something is in the blower housing other than the blower! Have a mechanic check it out.