Extreme Cold Weather (Below –20°F Or –29°C)

Jeep Liberty / Jeep Liberty Owners Manual / Starting And Operating / Starting Procedures / 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 ...