1988 oldsmobile ctlass ciera 3.8 V6

1988 OLDSMOBILE CIERA
59,000 MILES
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ALSODER
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Heater blows cold air. I have replaced the thermostat. The blower motor works and the heater controls seem to be working. where do i go from here? thanks Alan
Oct 25, 2011 at 5:24 AM
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HMAC300
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check to see if both hoses are hot under the hood first when warmed up.if they are one of your actuators may not be working, this can be eitehr electrically, vacuum or mechanically controlled. i'll send a generic pic along they are under the dash.
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Oct 26, 2011 at 5:01 PM