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2
2-17
Recommended SAE Viscosity Number
CAUTION
Always be sure to clean the area around any filler plug, drain plug, or dipstick before
checking or draining any lubricant. This is especially important in dusty or sandy areas
and when the vehicle is used on unpaved roads. Cleaning the plug and dipstick areas will
prevent dirt and grit from entering the engine and other mechanisms that could be
damaged.
Engine oil viscosity (thickness) has an effect on fuel economy and cold weather operating
(engine start and engine oil flowability). Lower viscosity engine oils can provide better
fuel economy and cold weather performance, however, higher viscosity engine oils are
required for satisfactory lubrication in hot weather. Using oils of any viscosity other than
those recommended could result in engine damage.
When choosing an oil, consider the range of temperature your vehicle will be operated in
before the next oil change. Proceed to select the recommended oil viscosity from the
chart.
USA_API
An engine oil displaying this American Petroleum Institute (API) Certification Mark
conforms to the International Lubricant Specification Advisory Committee (ILSAC). It is
recommended to only use engine oils that uphold this API Certification Mark.
Temperature Range for SAE Viscosity Numbers
Temperature
°C -30 -20 -10 0 10 20 30 40 50
(°F) -10 0 20 40 60 80 100 120
Gasoline Engine Oil
0W-300W-30
JK1_en_US.book Page 17
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