Chevrolet 1993 S-10 Pickup Owner's Manual page 260

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Service & Appearance Care
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SAE 1OW-30
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NEITH€H
SA€ 5W-30 NOR
SAE 1OW-30
GRADE OILS ARE AVAILABLE, SAE 30
GRADE MAY BE USED AT TEMPERATURFS
ABOVE 40 DEGREES F (4 DEGREES C).
DO NOT USE SAE 1OW-40, SAE 20W-50 OL.
ANY OTHER GRADE OIL NOT RECOMMENDED
1
PO344
SAE 5W-30
As shown in this chart, SAE 5W-30 is best for your vehicle. However,
you can use SAE IOW-30 if it's going to be
0°F
(-1
8°C)
or
above.
These numbers on an oil container show its viscosity,
or
thickness. Do
not use other viscosity oils such as SAE 1OW-40 or SAE 2OW-50.
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