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Flush cooling system every 60,000 miles on Chevrolet Cobalt

Problem overview

GM recommends replacing the engine coolant at 100,000 miles; however, our technicians tell us that the coolant may become contaminated and require a complete cooling system flush every 60,000 to 70,000 miles.

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Flush cooling system every 60,000 miles on Chevrolet Cobalt

Problem overview

Chevrolet Cobalt vehicles with this problem

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