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.
HOP
WEATHER
I
"F
tlOO
-
~I
+
20
i-
7
"C
-
38
-
27
-
16
.b
.7
'
18
SAE
W-30
LOOK
FOR
THIS
SYMBOL
SAE
1OW-30
PREFERRED
above
0°F
(-1WC)
WEATHER
DO
NOT
USE SAE
2OW-56
OR
ANY
OTHER
GRADE
OIL
NOT
RECOMMENDED
As
shown in the chart,
SAE
1OW-30
is
best
for your
vehicle. However, you can use
SAE
5W-30
if
it's
going
to be colder than
60
*
F
(
16"
C)
before your next oil
change. When it's very cold, you should use
SAE
5W-30.
These numbers on an oil container show its
viscosity, or thickness.
Do
not
use other viscosity oils,
such as
SAE
20W-50.
ITICE:
Use only engine oil with the American Petroleum
Institute Certified For Gasoline Engines
"Starburst" symbol. Failure to use the proper oil
can result in engine damage not covered
by
your
warranty.
GM
Goodwrench@ oil (in Canada,
GM
Engine Oil)
meets all the requirements for your vehicle.
Engine Oil Additives
Don't add anything
to
your oil. Your Oldsmobile retailer
is ready
to
advise
if
you think something
should
be
added.
6-16
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