Pontiac 1993 Sunbird Owner's Manual page 158

2.0L L4: Adding Engine Oil
l
3.1
L
V6: Adding Engine Oil
#hat Kind of Oil to Use
3eginning midyear 1993, oils of the
xoper quality for your vehicle will be
dentified with this new "starburst"
iymbol. The "starburst" symbol
ndicates that the oil has been certified
)y the American Petroleum Institute
:API), and is preferred for use in your
;asoline engine.
I'ou
should look for this on the front of
he oil container, and use only oils that
lisplay this new symbol.
lou should also use the proper viscosity
)il for your vehicle, as shown in the
ollowing chart:
RECOMMENDED SAE VISCOSITY GRADE ENGINE OILS
FOR BEST FUEL ECONOMY AND COLD STARTING,
SELECT THE LOWEST SAE VISCOSITY GRADE OIL
FOR THE EXPECTED TEMPERATURE RANGE.
HOT
NEATHEI
COLD
LOOK FOR
ONE
OF THESE
LABELS
SAE 5W-30
PREFERRED
IF MEITHER SAE 5W-30 NOR SAE 1OW-30
GRADE OILS ARE AVAILABLE, SAC 30
GRADE MAY BE USED AT TEMPERATURES
WEATHER
ABOVE 40 DEGREES
F
(4 DEGREES
c).
DO NOT USE SAE 1OW-40, SAE
2OW-50 OR
ANY OTHER GRADE OIL NOT RECOMMENDED.