Jeep Liberty: Engine Oil Viscosity - Engine Oil - Maintenance Procedures - Maintaining Your Vehicle - Jeep Liberty Owner's ManualJeep Liberty: Engine Oil Viscosity

SAE 5W-20 engine oil is recommended for all operating temperatures. This engine oil improves low temperature starting and vehicle fuel economy. The engine oil filler cap also shows the recommended engine oil viscosity for your engine. For information on engine oil filler cap location, refer to “Engine Compartment” in “Maintaining Your Vehicle” for further information.

Lubricants which do not have both the engine oil certification mark and the correct SAE viscosity grade number should not be used.

    American Petroleum Institute (API) Engine Oil Identification Symbol
    This symbol means that the oil has been certified by the American Petroleum Institute (API). The manufacturer only recommends API Certified engine oils. CAUTION! Do not use chemical flush ...

    Synthetic Engine Oils
    You may use synthetic engine oils provided the recommended oil quality requirements are met, and the recommended maintenance intervals for oil and filter changes are followed. ...

    See also:

    Dsc warning lamp
    The amber DSC warning lamp in the instrument panel illuminates briefly when the ignition is switched on and extinguishes when the engine is started. If the lamp flashes while driving, the DSC ...

    Loose Fuel Filler Cap Message
    If the vehicle diagnostic system determines that the fuel filler cap is loose, improperly installed, or damaged, a gASCAP” message will display in the odometer or a “CHECK GASCAP” message ...

    Trailer Towing
    You can use your SUZUKI to tow a trailer, but you should always observe the requirements and recommendations in this section. If you intend to tow a trailer, it is essential to select a trailer an ...