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Q:

coolant change on 2002 Cadillac DeVille DTS

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
i was always told that a flush is not needed but just a change, correct?
(1) Answer
i disagree. debris will collect from the coolant and component deteriations. flushing is a good service to ensure proper operation.

Roy