Question about 1998 Cadillac DeVille
My 1998 Deville Concours has climate control which is not working properly. The drivers side blows warm air and the passengers side blows cold air. I flushed the radiator and changed the thermostat with no change. Help?
Heater radiator blocked or partially blocked,drain antifreeze and save ,remove the inlet and outlet pipes for teh heater and flush in both directions repeatedly .brown rust should come out,if not a lot comes out then fit two pieces of pipe about a foot long to heater unit pipes and mix some caustic soda and pour in one pipe with a funnel till it comes up in other pipe leave for a while then flush again and you might need to repeat this two or three times
Posted on Dec 16, 2008
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Posted on Jan 02, 2017
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