CHECKING OIL LEVEL:
• WARM-The best time t6 check the
engine oil level is when the oil is warm,
such as during a fuel stop. First, allow
about 5 minutes for the oil
to
drain back
to the oil pan. Then pull the dipstick
out,
wipe it clean, and push it back
down all the way.
Now
pull the dipstick
out and look at the oil level on the
dipstick.
Some dipsticks are marked
with
"ADD" and "FULL" lines. Others
are
marked
"ADD 1 QT" and
''OPERATING
RANGE".
ht
all cases
the oil level should
be
kept ABOVE the
"ADD" line. Push the dipstick back
down all the way after taking the
reading. Add oil if needed.
•
COLD-If
oil level
is
checked when oil
is
cold, do not run the engine first. The
cold oil will not drain back to the pan
fast enough to
give
a true oil level.
OIL
VISCOSITY.-:.Use
the following chart
to select the proper oil thickness (viscosity)
for
the temperature range you expect
before your next oil change. This will help
cold and hot starting.
It
will also
give
good
engine life,
and fuel and oil economy.
62
ENGINE OIL ADDITIVES-There are
many extra engine oil helpers or additives
for sale. Your engine should not need the
extra engine oil helpers
if
SE
quality engine
oil
is
used and changed
as
suggested.
If
you
think your engine has an oil related
problem, talk to your Oldsmobile dealer.
If
needed, your dealer can provide you with a
tested and approved oil helper
called
GM
Super Engine Oil Supplement.
(USE
THESE
SAE
VISCOSITY
GRADES)
I
:~:fff~:~:~:::~:::~:::~::::::::
30
::::~:::::
:
::::::::::::::::::::::::::::::)
-'"
:~:f2OW-20,
2OW-40,
2OV'!-50
:
::::::t::::::::::::::::::::::::::::::::::::)
I I I
:~:~:r~:~:~:~:~:~:~:~:~:r~:~u
:~~-~
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. :
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~~r
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~
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~)::::::::::::::::::::::::::::::::::::::
5W-30
::::::::::::::::::::::::::::::~::::::::::::::::::::{:::r
;:1
.
-20
0
20
40 60
80
100
I
I
I
I
I
I
I
1
I
I
I
1
I
1
I
-30
-20
-10
0 10
20
30 40
Temperature Range Anticipated Before Next
Oil
Change
NOTICE: Do not use SAE 5W·20 oils for continuous high.speed driving.
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