Cooling System – Drain, Flush, And Refill

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

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

    See also:

    Operating Instructions/Precautions
    The transfer case provides four mode positions: • 2H (Two-wheel drive high range) • 4H (Four-wheel drive high range) • N (Neutral) • 4L (Four-wheel drive low range) Four-Wheel Drive Shi ...

    Power Lumbar — If Equipped
    Vehicles equipped with power driver or passenger seats are also equipped with power lumbar. The power lumbar switch is located on the outboard side of the power seat. Push the switch forward to i ...

    Multi-Displacement System (MDS) (If Equipped) — 5.7L Engine Only
    This feature offers improved fuel economy by shutting off four of the engine’s eight cylinders during light load and cruise conditions. The system is automatic with no driver inputs or additio ...