3.6L Engine

This engine is designed to meet all emissions regulations and provide excellent fuel economy and performance when using high-quality unleaded “regular” gasoline having an octane rating of 87. The use of premium gasoline is not recommended, as it will not provide any benefit over regular gasoline in these engines.
See also:
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 de ...
Tire Chains
Tire chains may be installed on all models except the Sahara and Rubicon. Install
chains on rear tires only.
Follow these recommendations to guard against damage and excessive tire and chain
wear ...
Raising The Soft Top
1. Unclip and move the sun visors to the side.
2. Install door frames, if removed. Refer to “Door Frame” in this section for
further information.
3. Make sure the plastic sleeve is slid over S ...


