Cooling System – Drain, Flush, And Refill

If the engine coolant (antifreeze) is dirty or contains a considerable amount of sediment, clean and flush with a reliable cooling system cleaner. Follow with a thorough rinsing to remove all deposits and chemicals. Properly dispose of the old engine coolant (antifreeze) solution.

Refer to the “Maintenance Schedule” for the proper maintenance intervals.

    See also:

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    Engine Compartment — 5.7L
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    Required Maintenance Intervals
    Refer to the Maintenance Schedules on the following pages for the required maintenance intervals. WARNING! • You can be badly injured working on or around a ...