Cause of no heat in 98 Cadillac Deville. Blower works fine. on 1998 Cadillac DeVille

The blower works fine in all positions. No heat however. What is the fix?

by in Roseville, CA on December 18, 2012
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1 answer
ANSWER by , December 18, 2012
ck heater control valve operation and make sure both hoses to heater core are hot