engine coolant Oldsmobile Cutlass Supreme 1994 s User Guide

Problems on the Road
' 164
4. Fill the radiatot with the praper mix,
.up to the base of the filler neck. If
you see a stream af coolant coming
from. an air bleed valve, close the
valve. Otherwise.,
close. the valves
&er the radiator is filled.
5. Rinse or wip*e any spilled coolant
from the engine compartment,
6. Then fill the coolant recovery tank to
the
COLD mark.
7. Put the cap back on the coolant
recovery tank, but. leave the radiator
pressure cap
off.

8. Start the engine and let it run until
you can feel the upper radiator hose
getting hot. Watch out for the engine
fans.
9. By this time the coolant level inside
the radiator filler neck may be lower.
If the level is lower, add more of the
proper mix through the filler neck
until the level reaches the base of the
filler neck.
10. Then replace the pressure cap. At
any time during this procedure if
coolant begins to flow out of the
filler neck, reinstall the pressure
cap. Be sure the arrows on the
pressure cap.line up like this.
11. Check the coolant in the recovery
tank. The level in the coolant
recovery tanlc should be at the
HOT
mark when the engine is hot or at
the
COLD mark when the engine is
cold.
Ifa Tire Goes Flat
It’s unusual for a tire to “blow out”
while you’re driving, especially
if you
maintain your tires properly. If air goes
out of a tire, it’s much more likely to
leak out slowly. But if you should ever
have
a “blowout,” here are a few tips
about what to expect and what to
do:
If a front tire fails, the flat tire will
create a drag that pulls the vehicle
toward that side. Take your foot off the
accelerator pedal and grip the steering
wheel firmly. Steer to maintain lane
position, then gently brake to a stop
well out of the traffic lane.
A rear blowout, particularly on a curve,
acts much like a slid and may require
the same correction you’d use
in a skid.
In any rear blowout, remove your foot
from the accelerator pedal. Get the
vehicle under control by steering the
way you want the vehicle to go. It may
be very bumpy and noisy, but you can
still steer. Gently brake to a stop, well
off the road if possible.
If a tire goes flat, the next section shows
how to use your jacking equipment to
change a flat tire safely.
165

Service & Appearanctr Care
3700 V6 Engine (CODE M).
When you open the hood, you’ll see:
1. Power Steering Fluid Reservoir
2. Engine Oil Fill Cap
3. Automatic Transaxle Fluid Dipstick
4. Brake Fluid Reservoir
5. Windshield Washer Fluid Reservoir
6. Battery
7. Air Cleaner
8. Engine Oil Dipstick
9. Radiator Pressure Cap
IO. Engine Coolant Reservoir

Twin Dual Cam (DOHC) 3.4L V6
Engine (CODE x)
When you open the hood, you’ll see:
1. Power Steering Fluid Reservoir
2. Automatic Transaxle Fluid Dipstick
3. Brake Fluid Reservoir
4. Windshield Washer Fluid Reservoir
5. Battery
6. Air Cleaner
7. Engine Oil Fill Cap
8. Engine Oil Dipstick
9. Radiator Pressure Cap
IO. Engine Coolant Reservoir
183

1
Service & Appearance Care
186
(-18°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 20W-50.
If you cannot find oils with the new
“starburst” symbol on the front of the
container, you should look for and use
oils containing the following three things:
SH or SG
“SH” or “SG” must be on the oil
container, either by itself or combined
with other quality designations, such
as “SH/CD,” “SH,SG,CD,”“SG/CD,”
etc. These letters show American
Petroleum Institute (API) levels of
quality.
SAE 5W-30
Energy Conserving I1
Oils with these words on the container
will help you save fuel.
These three things are usually included in
a doughnut shaped logo (symbol) on
most containers. If you cannot find
oils
with the “starburst” symbol, you should
look for oils with the doughnut shaped
symbol, containing the three things
noted above.
NOTICE:
If you use oils that do not have
either the “starburst” symbol or an
API
SH or SG designation, you can
cause 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 dealer is ready to advise if
you think something should be added.
When to Change Engine Oil
See if any one of these is true for you:
Most trips are less than 4 miles
(6 km)
.
It’s below freezing outside and most
trips are less than 10 miles (16 ltm).
The engine is at low speed most of the
time (as in door-to-door delivery, or in
stop-and-go traffic).
You tow a trailer often.
Most trips are through dusty places.
If any one of these is true for your
vehicle, then you need to change your
oil and filter every 3,000 miles (5 000
km) or 3 months - whichever comes
-first.
If none of them is true, change the oil
every
7,500 miles (12 500 lm) or 12
months -whichever comes first.
Change the filter at the first
oil change
and at every other oil change after that.
Engine Coolant Heater (Engine
Block Heater) (omoN)
An engine coolant heater can be a big
help if you have to
park outside in very

cold weather, 0°F (-18°C) or colder. If
your vehicle has this option, see
Engine
Coolant Heater
in the Index.
What to Do wifh Used Oil
Did you know that used engine oil
contains certain elements that may be
unhealthy for your skin and could even
cause cancer? Don’t let used oil stay on
your skin for very long. Clean your skin
and nails with soap and water, or a
good hand cleaner. Wash or properly
throw away clothing or rags containing
used engine oil.. (See the manufacturer’s
warnings about the use and disposal of
oil products.)
Used oil can be areal threat to the
environment. If you change your own
oil, be sure to drain all free-flowing oil
from the filter before disposal. Don’t
ever dispose of oil by putting it in the
trash, pouring it on the ground, into
sewers, or into streams or bodies of
water. Instead, recycle it by taking it to
a place that collects used oil. If you
have a problem properly disposing of
your used oil, ask your dealer, a service
station or a local recycling center for
help.
Air Cleaner
Refer to the Maintenance Schedule to
determine when to replace the air filter
and the crankcase ventilation filter.
See
Scheduled Maintenance Services i3
the
Index.
NOTICE:
If the air cleaner is off, a backfire
can cause a damaging engine fire.
And, dirt can easily get into your
engine, which will damage
it.
Always have the air cleaner in place
when you’re driving.
To Check or Replace the Air Filter:
1. Remove the four screws and pull off
the cover.
187

Twin Dual Cam 3.4L V6: Ad,ding
Automatic
Transaxle Fluid
I Engine .Coolant
The follciwing explains your cooling
system and how to add coolant when it
is low. If
you have a problem with
engine overheating or
if y0.u need to add
coolant to your radiator,
see Engine
Overheating in the Index.
The proper coolant for your Oldsmobile
will:
Give freezing protection down to-34”F
Give boiling protection up to 262°F
Protect againstrust and corrosion.
(-37°C).
(128°C).
Help keep the proper engine
Let the warning lights work as they
What to Use
temperature.
should.
Use
a mixture of one-half dean-water
(preferably distilled) and one-half
antifreeze that meets
“GM Specificatkm
1825-M,” which won’t damage
aluminum parts.
You can also use a
recycled coolant conforming
to GM
Specification 1825-M with
a complete coolant
flush and refill.
If you use this
mixture, you don’t need to add
anything
else.

NOTICE:
If you use an improper coolant mix,
your engine could overheat and be
badly damaged. The repair cost
wouldn’t be covered by your
warranty.
Too much water in the
mix can freeze and crack the
engine, radiator, heater core and other parts.
Adding Coolant
To Check Coolant
When your engine is cold, the coolant
level should be at the
COLD mark or a
little higher. When your engine is warm,
the level should be up to the
HOT mark
or a little higher.
1 SECURITY I
P
w OIL LOW
EVEL COOLANT I
If this light comes on, it means you’re
low on engine coolant.
To Add Coolant
If you need more coolant, add the
proper mix
at the coolant recovery
tank.
If the coolant recovery tank is
completely empty, add coolant to the
radiator. (See
Engine Overheating in
the
Index.)
191

Service & Appearance Care
Radiator Pressure Cap
NOTICE:
Your radiator cap is a 15 psi
(105kPa) pressure-type cap and
must be tightly. installed
io prevent
coolant loss and possible engine
damage from overheating. Be sure
the arrows on the cap line up with
192
Add coolant mix at the recovery tank,
but be careful not to spill it.
L I
the overflow tube on the radiator
filler neck.
I Power Steering Fluid
How To Check Power Steering
When you replace your radiator premre
cap, an
AC@ cap is recommended.
Thermostat
Engine coolant temperature is
controlled by a thermostat in the engine
coolant system. The thermostat stops
the flow of coolant through the radiator
until the coolant reaches a preset
temperature.
When you replace your thermostat, an
AC@ thermostat is recommended.
Fluid
-
Unscrew the cap and wipe the dipstick
with a clean rag. Replace the cap and
completely tighten it. Then remove the
cap again and look at the fluid level on
the dipstick.
When the engine compartment is hot,
the level should be at the
H mark.
When the engine compartment is
cool, the level 'should be at the
C
mark.
What to Add
Refer to the Maintenance Schedule to
determine what kind of fluid to use. See

FIuids & Lubricants
ITEM
Antifreeze Coolant ...................................
Chassis Lubricant (Grease Gun Insert) ..
(Ethylene Glycol Base)
Delco Supreme
11s Brake Fluid ............
Automatic Transmission Fluid. ...............
DFXRONB-I11 .....................................
DEXRONa-IIE .....................................
Engine Oil ................................................
GM Engine Oil Supplement (E.O. S .) .....
Engine Oil ...............................................
Windshield Washer Solvent ....................
Power Steering Fluid ..............................
Silicone Grease .......................................
Spray-A-Squeak Silicone Lubricant .......
APPLICATION GM PART NUMBER
Year-round antifreeze for .......................... .lo52753
coolant mixtures
General chassis lube, etc.
........................... 1052497
Brake System
............................................. 1052535
SIZE
1 gal. (3.8 L)
14 oz. (397 g)
16 oz. (0.5L)
Automatic Transaxle
.................................................................... 12346143 32 oz. (1 .OL)
.................................................................... 12345881 32 oz. (1.OL)
Engine lubrication
..................................... See the Index under Engine Oil.
See yourdealer for advice ......................... 1052367
Hood, trunk and door hinges
Windshield washer fluid
Power Steering System
............................. 1050017
1052884
Weatherstrips
............................................ .12345579
General purpose silicone lubricant
.......... .lo52276 (aerosol)
1052277
16 oz. (0.5 L)
32 oz. (1 .O L)
16 oz. (0.5 L)
1 oz. (28 g)
4.5 oz. (127 g)
12 oz. (0.35.L)
229