Cooling System – Drain, Flush, And Refill

~1min read

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.

Test yourself

A quick Jeep Wrangler quiz: every answer comes with an explanation and a link to the manual page.