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Recommended SAE viscosity
number
CAUTION
Always be sure to clean the area
around any filler plug, drain
plug, or dipstick before check-
ing 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 viscosi-
ty engine oils can provide better fuel
economy and cold weather perform-
ance, however, higher viscosity
engine oils are required for satisfac-
tory 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.
■ ■ Lambda 3.8
Temperature Range for SAE Viscosity Numbers
-30
°C
Temperature
(°F)
-10
Engine Oil *
1
*
1
: For better fuel economy, it is recommended to use the engine oil of
a viscosity grade SAE 5W-30 (API Service SM / ILSAC GF-4).
However, if the engine oil is not available in your country, select the
proper engine oil using the engine oil viscosity chart.
■ ■ Tau 5.0
Temperature Range for SAE Viscosity Numbers
°C
-30
Temperature
°F
-10
Engine Oil *
1
*
1
: For better fuel economy, it is recommended to use the engine oil of
a viscosity grade SAE 5W-20 (API Service SM / ILSAC GF-4).
However, if the engine oil is not available in your country, select the
proper engine oil using the engine oil viscosity chart.
-20
-10
0
10
20
0
20
40
60
10W-30
5W-30
-20
-10
0
10
20
0
20
40
60
10W-30
5W-20, 5W-30
30
40
50
80
100
120
30
40
50
80
100
120
8 8
8-7
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