Cooling System – Drain, Flush, And Refill
Jeep Wrangler / Jeep Wrangler Owner's Manual / Maintaining Your Vehicle / Maintenance Procedures / Cooling System / 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.
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