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Engine Oil Pressure Gage
OIL om
The oil pressure gage shows
the engine oil pressure in
psi (pounds per square inch)
when the engine is running.
Oil pressure may vary with engine speed, outside
temperature
and oil viscosity, but readings above the
low pressure zone indicate the normal operating range.
A reading in the low pressure zone may be caused by a
dangerously low
oil level or other problems causing low
oil pressure.
Don't keep driving if the oil pressure is low. If
you do, your engine can become
so hot that it
catches fire.
You or others could be burned.
Check your oil as soon as possible and have your
vehicle serviced.
I NOTICE:
Damage to your engine from neglected oil
problems can be costly and is not covered by
your warranty.
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Page 222 of 340
NOTICE:
Don’t add too much oil. If your engine has
so much oil that the oil level gets above the
cross-hatched area that shows the proper
operating range, your engine could be damaged.
Just fill it enough to put the level somewhere in the
proper operating range. Push the dipstick all
the way
back in when you’re through.
What Kind of Oil to Use
Oils recommended for your vehicle can be identified by
looking for the “Starburst” symbol. This symbol
indicates that the oil has been certified by the American
Petroleum Institute (API).
Do not use any oil which
does not carry this Starburst symbol.
You should also use the proper viscosity oil for your
vehicle, as
shown in the following chart:
If you change your own
oil, be sure you
use oil
that has the Starburst
symbol on the front of the
oil container.
If you have
your
oil changed for you,
be sure the oil put into
your engine is American
Petroleum Institute certified
for gasoline engines.
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Page 223 of 340

RECOMMENDED SAE VISCOSITY GRADE ENGINE OILS
FOR BEST FUEL ECONOMY AND COLD STARTING, SELECT THE LOWEST
SAL VISCOSITY GRADE OIL
FOR THE EXPECTED TEMPERATURE RANGE.
-__- ...... ~ __
HOT
WEATHER
COLD
WEATHER
LOOK
FOR THIS
SYMBOL
SAE CW-30 PREFERRED
DO NOT USE SAE 2OW-50 OR ANY OTHER
GRAOE OIL NOT RECOMMENDED
As shown in the chart, SAE 5W-30 is best for your
vehicle. However, you can use
SAE low-30 if it’s going
to be
0” F (- 1 8 O C) or above. These numbers on an oil
container show its viscosity, or thickness. Do not use
other viscosity oils, such as
SAE 20W-50.
I NOTICE:
Use only engine oil with the American Petroleum
Institute Certified For Gasoline Engines
“Starburst” symbol. Failure to use the
recommended oil can result in engine damage
not covered by your warranty.
GM Goodwrench@ 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.
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Part D: Recommended Fluids and
Lubricants
NOTE: Fluids and lubricants identified below by name,
part number or specification may be obtained from your
GM retailer.
USAGE
Engine Oil
Engine Coolant
FLUID/LUBRICANT
Engine oil with the American
Petroleum Institute Certified For
Gasoline Engines “Starburst”
symbol
of the proper viscosity. To
determine the preferred viscosity
for your vehicle’s engine, see
“Engine
Oil” in the Index.
50/50 mixture of clean water
(preferably distilled) and GM
Goodwrench@ DEX-COOL” or
Havoline@ DEX-COOL
”
(orange-colored, silicate-free)
antifreeze conforming to GM
Specification 6277M. See “Engine
Coolant’’
in the Index.
USAGE
Coolant
Supplement
Sealer
Hydraulic Brake
System
Parking Brake
Cable Guides
Power Steering
System
Key Lock
Cylinders
FLUID/LUBRICANT
GM Part No. 3634621 or
equivalent
with a complete flush
and refill.
Delco Supreme
11 @ Brake Fluid
(GM Part
No. 1052535 or
equivalent
DOT-3 brake fluid).
Chassis lubricant
(GM Part
No. 1052497 or equivalent) or
lubricant meeting requirements of
NLGI Grade 2, Category
LB
or GC-LB.
GM Power Steering Fluid
(GM
Part No. 1052884 - 1 pt.,
1050017 - 1 qt., or equivalent).
DEXRON@-111 Automatic
Transmission Fluid.
Multi-Purpose Lubricant, Superlube@
(GM Part
No. 1234624 1
or equivalent).
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