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.
See also:
Climate Controls
The air conditioning and heating system is designed to make you comfortable in
all types of weather. ...
Compass Variance
Refer to “Compass Display” for more information. ...
Lane Change Assist
Tap the lever up or down once, without moving beyond
the detent, and the turn signal (right or left) will flash
three times then automatically turn off. ...


