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2006 Buick Lucerne Question: Coolant

 

Question

Visitor, 3.8L V6, Cincinnati, OH, February 13, 2011, 04:24

I have been told to only use Dextron coolant
when I flush my old out is that true or is that away
of selling there coolant?

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  • Answer #1

    patrick mannion from Greg Solow's Engine Room, February 13, 2011, 10:04
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     Master

    Dexron is a transmission oil. Did they say Dexcool which is a GM long life coolant. Any good quality antifreeze would be fine if you thoroughly flush the cooling system. A lot of people do not like Dexcool Antifreeze.

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