Flushing your vehicle's cooling system should be a part of your routine maintenance, and Kyle Lindsey has the step-by-step process you need. Let him show you how it's done using Zerex in his 1969 Chevrolet Chevelle. Purchase Zerex G-05 Antifreeze from O'Reilly Auto Parts and use code SK04 for 20% off qualified purchases of $100 or more.

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