Extreme Cold Weather (Below –20°F Or –29°C)
To ensure reliable starting at these temperatures, use of an externally powered electric engine block heater (available from your authorized dealer) is recommended.
See also:
Adding Engine Coolant
Your vehicle has been built with an improved engine
coolant (antifreeze) that allows extended maintenance
intervals. This engine coolant (antifreeze) can be used up
to five years or 104,000 mile ...
Engine Oil Filter
The engine oil filter should be replaced with a new filter at every engine oil
change.
Engine Oil Filter Selection
All of the manufacturer’s engines have a full-flow type disposable oil filter. ...
Axles and Transfer Cases
The Jeep Wrangler is now available with more axle gear ratios, allowing
customers to optimize fuel economy and/or vehicle capability. Wrangler is
available with 3.21, 3.73 or 4.10 ratios depending ...


