Kia K2500 2007, Manual, Page: 200 / 215

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Maintenance
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Engine oil viscosity (thickness) has
an effect on fuel economy and cold
weather operating (starting and oil
flow). 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 viscos-
ity 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 rec-
ommended oil viscosity from the
chart.
Temperature Range for SAE Viscosity Numbers
Temperature
Engine oil
°C
(°F)
-30 -20 -10 0 10 20 30 40 50
-10 0 20 40 60 80 100 120
10W-30
30
20W-40
15W-40
0W-30
*1
5W-30
*1 : It is only for extreme cold area and to be restricted by driving condition and area.
(Especially, not recommended for sustained high loaded and high speed operation.)