engine coolant CADILLAC SEVILLE 1993 4.G Owner's Manual

Downloaded from www.Manualslib.com manuals search engine . : 4. Put the cap back on
the coolant
surge
tank.
5. Start the engine and as the engine runs the coolant will circulate
through the cooling system. Any air that was introduced while adding
coolant
will purge itself and rise to the top of the surge tank. If the
“ENGINE COOLANT
LOW” message does not appear on the
Driver Information Center, coolant is at the proper
fill level. If an
“ENGINE
COOLANT LOW” message does appear, repeat steps 1
through 4 or see your dealer.
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 skid 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.
3
249

Downloaded from www.Manualslib.com manuals search engine When the correct fluid level is obtained, push the dipstick back in all
the way.
How To Reset Transaxle Fluid Change Indicator: 4.6L (Northstar)
Your vehicle is equipped with a transaxle fluid change indicator.
A
“CHANGE TRANS FLUID” message will display on the Information
Center
when the power train computer determines that the transaxle
fluid needs to be changed or at each 100,000 miles
(160,000 km) interval,
whichever occurs first. When this message appears, change the t\
ransaxle
fluid and reset the transaxle fluid life indicator
as follows:
Turn the key “ON” with the engine stopped.
Press and hold the “OFF” and “REAR DEFOG” buttons on the
climate control simultaneously
until the “TRANS FLUID RESET”
message appears
in the Information Center (between 5 and 20
seconds).
ENGINE COOLANT
The following explains your cooling system and how to add coolant when
it is low. If you have
a problem with engine overheating, see “Engine
Overheating” in the Index.
The proper coo’ It for
your Cadillac will:
Give freezing protection down to -34°F (-37’C) .
Give boiling protection up to 262 ” F (128 ” C) .
Protect against rust and corrosion.
Help keep the proper engine temperature.
Let the warning lights work as they should.
What to Use:
Use a mixture of one-half clean water (preferably distilled) and one\
-half
antifreeze that meets
“GM Specification 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. Use GM
Engine Coolant Supplement (sealer) with any complete coolant c\
hange.
If you use these, you don’t need to add anything else.
Y
c.
282

Downloaded from www.Manualslib.com manuals search engine r ir
P
P
r
P I
A CAUTION
Adding only plain water to your cooling system can be
dangerous. Plain water, or some other liquid like alcohol, can
boil before the proper coolant
mix will. Your vehicle’s coolant
warning system
is set for the proper coolant mix. With plain
water or the
wrong mix, your engine could get too hot but you
wouldn’t get the overheat warning. Your engine could catch fire
and you or others could be burned. Use a
50/50 mix of clean
water and a proper antifreeze.
Adding Coolant
I 4.6 Liter (Northstar)
TO Check Coolant
When.
your engine is
cold, the coolant level
should be at “FULL
COLD”, or a little
higher.
283
P

Downloaded from www.Manualslib.com manuals search engine When your engine is warm and the “ENGINE COOLANT LOW”
message does not appear on the Driver Information Center, coolant
is at
the proper fill level.
4.9 Liter
To Check Coolant:
When your engine is
cold, the coolant level
should be at
“FULL
COLD,” or a little
higher. When your
engine is warm,
the
level should be up to
“FULL
HOT,” or a
little higher.
To Add Coolant 4.9L If you need more coolant, add the proper mix at
the coolant recoverv tank.
A CAUTION
flrrning the radiator pressure cap when the engine and radiator
are hot can allow steam and scalding liquids to blow
out and
bum you badly. With the coolant recovery
tank, you will almost
never have to add coolant at the radiator. Never turn the
~ radiator pressure cap -- even a little -- when the engine and
radiator are hot.
Add coolant mix at the recovery tank, but be careful not to spill it.
284

Downloaded from www.Manualslib.com manuals search engine I
A CAUTION:
You can be burned if you spill coolant on hot engine parts.
Coolant contains ethylene glycol, and it
will burn if the engine
parts are hot enough. Don’t
spill coolant on a hot engine.
To Add Coolant 4.6L (Northstar): If you need more coolant, add the
proper
mix at the coolant surPe tank.
A CAUTION:
lbrning the surge tank pressure cap when the engine and
radiator are hot
can allow steam and scalding liquids to blow
out and burn you badly. Never turn the surge tank pressure cap
-- even a little -- when the engine and radiator are hot.
You can be burned if you spill coolant on hot engine parts.
Coolant contains ethylene glycol, and it
will burn if the engine
parts are hot enough. Don’t spill coolant
on a hot engine.
To Check or Add Coolant: When the engine is cold, the coolant level
should be at
“FULL COLD,” or a little higher. Remove the pressure cap
from the surge tank;
use a flashlight as necessary to see into the tank. The
coolant Ievel should be at or above the seam inside the tank.
If you need more coolant, add the proper mix.

Downloaded from www.Manualslib.com manuals search engine MUTOR OR SURGE TANK
PRESSURE CAP
When you replace your radiator or surge tank pressure 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.
POWER STEERING FLUID
0
4.9 Liter
286

Downloaded from www.Manualslib.com manuals search engine MPERACE CAREIMATERL4LS ClYART
NUMBER
I 1050017 I 32 OZ. 10.946 Ll
1052277 12 02. (0.354 L)
10501 72 16 02. (0.473 L)
1050173 16 02. (0.473 L)
10501 74
32
OZ. (0.946 L) 1050214 16
OZ. (0.473 L)
1050244
6
LB. (2.72 KG) 1050429 23
02. (0.660 L) 1050427 16
OZ. (0.473 L)
1052349
8 OZ. (0.237 L) 1050729 12
02. (0.354 L)
+
1052870 16 OZ. (0.473 L)
1051
398 8 OZ. (0.237 L)
1 105151 5 I 32 02. (0.946 L)
+
1052367 16 02. (0.473 L)
1052753 1 GAL. (3.785 L)
1052271 I 23 02. (0.680 L)
1052358 I 12 OZ. 10.354 LI
I 1052535 I 16 OZ. (0.473 L)
DESCRIPTION
WASHER SOLVENT AND GAS
LINE DE-ICER
POWER STEERING FLUID SPRAY-A-SQUEAK
TAR AND ROAD OIL REMOVER
USAGE
WINDSHIELD WASHING SYSTEM AND GASCINE
POWER STEERING
WEATHER STRIPS-STOPS SQUEAKS ON METAL-TO-METAL AND METAL-TO-RUBBER CONTACT
REMOVES OLD WAXES, POLISHES,
I TAR AND ROAD OIL
CHROME CLEANER AND
I REMOVES RUST AND CORROSION
POLISH ON CHROMEAND STAINLESS I STEEL
WHITE SIDEWALL TIRE CLEANS WHITE AND BLACK TIRES
CLEANER
VINYULEATHER CLEANER
SPOT AND STAIN REMOVAL
ON FABRIC CLEANER SPOT AND STAIN REMOVAL
ON
. ___
LEATHER OR VINYL
CLOTH AND FABRIC
I
GLASS CLEANER I GLASS CLEANING AND SPOT I CLEANING ON VINYLS
MULTI-PURPOSE POWDERED
I CLEANS VINYL AND CLOTH ON
CLEANER
I DOOR TRIM, SEATS, AND
CARPET-ALSO. TIRES AND MATS
DOOR HINGES AND LATCHES
WASH-WAX (CONC.) EXTERIOR WASH
I CLOTH AND FABRIC
GM OPTIKLEEN
f WINDSHIELD WASHER SOLVENT
MAGIC MIRROR CLEANER
POLISH AND ANTI~FREEZE
EXTERIOR CLEANER AND POLISH
I
DEXRONQ HE I AUTOMATIC TRANSMISSION
GM ENGINE OIL
(ETHYLENE GLYCOL BASE) ANTI-FREEZE
ANTI-FREEZE COOLANT
YEAR ROUND COOLANT AND PERMANENT TYPE
USAGE
SUPPLEMENT (E.O.S.) SEE YOUR DEALER
FOR SPECIFIC
GM GEAR LUBRICANT
REAR AXLE
LIMITEDSLIP ADDITIVE I REAR AXLE
DELCO-SUPREME II BRAKE I BRAKE FLUID
324
I

Downloaded from www.Manualslib.com manuals search engine I
The Northstar engine is designed to require less maintenance than many
other
DOHC V-8 engines. Engine systems are designed to remind the
driver when service is required.
An oil life index indicator monitors
ongoing operating conditions and reminds the driver when an oil change
is needed.
A low coolant warning message keeps track of the level of this
vital fluid. Direct acting hydraulic tappets provide maintenance free zero
lash operation
of the 32 valves from idle to the 6500 rpm redline. The
camshafts are driven by a two stage roller chain assembly which is
designed to provide quiet maintenance free operation. Platinum tipped
spark plugs increase the replacement interval
to 100,OO miles.
The four valve per cylinder design provides more efficient engine
breathing which results in higher power than comparable
two valve
engines. The central location
of each spark plug ensures a fast and
complete burning
of the fuel/air mixture. The induction system uses
smooth thermoplastic tubes
to channel air into the cylinders. The
smoothness
of the tubes is equivalent to the elaborate port polishing
methods used for race car engines. Careful design using the shape and
length
of the tubes boosts horsepower by using sonic pressure waves
created by the motion
of the inlet valves to increase the amount of air
entering each cylinder.
The Northstar engine
is also designed to be very durable. The aluminum
block has cast-in-place iron cylinder liners for greater wear resistance.
High strength forged steel connecting rods support the free floating
piston pins
in bronze bushings for superior high speed performance. The
fillits
of the nodular iron crankshaft undergo a high pressure compression
rolling operation
to improve their resistance to fatigue.
Quiet operation
is enhanced by the use of special materials and designs.
The front cover of the engine is stamped from laminated steel which
damps out noise. Special cam cover gasket seals isolate valve train
operation.
The fuel injectors are placed inside the induction system
housing
to eliminate the clicking noise which is common to other fuel
injected engines.
The Northstar engine
is designed to provide years of efficient, reliable,
satisfying operation. We
think it is also just plain fun to drive.
33 7

Downloaded from www.Manualslib.com manuals search engine r
r
F
r
P
P
r
t
SUBJECT INDEX
A
Acc (Ignition Key Position) ............................ 80
Accessory Power. Retained .......................... 327
Adding
Brake Fluid
..................................... 293
Electrical Equipment ............................. 326
Engine Coolant ....................... 240.245.283. 285
EngineOil ...................................... 271
Power Steering Fluid ............................. 288
Transaxle Fluid .................................. 281
Additives. Engine Oil ............................... 275
Adjustment. Brake ................................. 184
Adult Safety Belt Usage .. 1 ........................... 18
-Air Bag ............................................ 30
Aircleaner ....................................... 277
Air Cleaner Replace ................ See Maint . Book. p.22
Air Cleaner Filter Replacement ...................... 301
Air Conditioner .................................... 147
Air Outlets .................................... ._. .. 146
Air System ........................................ 146
Alarm. How To Turn Off Theft ......................... 77
Alcohol. Driving Under The Influence Of .............. 175
Alcohol in Gasoline ................................. 263
Aluminum Wheels. Cleaning ......................... 322
AMAX@ .......................................... 154
AM Radio Reception ............................... 153
AM Stereo Radio Reception ......................... 154
Antifreeze ..................................... 237. 245
Anti-Lock Brakes .................................. 181
Anti-Lock Brake System Warning Light ............. 129. 181
Anti-Theft Tips ..................................... 75
Appearance Care ................................... 315
Arm. Wearing A Safety Belt Under Your ................ 28
Ashtrays .......................................... 121
Astroroof .......................................... 119
Automatic Air Conditioning System ................... 147
Automatic Door Lock ................................ 68
Automatic Overdrive ................................. 86
Antenna. Cleaning Radio .-. .. _ ........................ 164
r I I
1

Downloaded from www.Manualslib.com manuals search engine Comfort Controls and Audio Systems .................. 146
Compact Disc Player. Care Of Your ................... 163
Compact Disc Sound Systems ........................ 161
Compact Spare Tire ................................ 258
Computer That Shows Fuel Economy .................. 135
Console. Center ...................................... 73
Contents. Thble Of ........ See Front of Owner Info . Manual
Control Of
A Vehicle ............................... 178
Control. Loss Of ................................... 189
Controls. Features And ............................... 63
Convex Outside Mirror .............................. 118
Coolant. Engine: Proper Solution To Use ............ 237. 245
Coolant. Safety Warnings About ................... 233. 245
Cooling System ................................. 235. 243
Cruise Control ..................................... 104
Cruise Control. Change Speed With ................... 107
Cruise Control. Get Out Of .......................... 109
Cruise Control On Hills ............................. 108
Cruise Control. lhming Off .......................... 109
Curves. Driving On ................................. 184
Cooling System Service .............. See Maint . Book. p.20
D
Damage To Finish .................................. 323
Damage To Sheet Metal ............................. 323
Damage Warnings .................................... 2
Daytime Running Lights (Canada Only) ............... 113
Defensive Driving .................................. 174
Defogger. Rear Window ............................. 151
Defrost ........................................... 150
Delco Sound Systems ............................... 155
DEXRON IIE@ ................................... 281
Dimensions. Vehicle ................................ 349
Disc Brake Wear Indicators .......................... 183
Disposal. Used Oil ................................. 276
Door Locks ........................................ 65
Door;Security Lock. Rear ............................ 67
Downhill. Parking .................................. 206
Downshifting ....................................... 87
Driver Information Center ........................... 136
Driver Information Center Messages .................. 137
Driver’s Side S.I.R. (“Air Bag”) ........................ 30
Dead Battery. What To Do If You Have A .............. 223
Delco-Bose Gold Series Compact Disc Music Sys ........ 160
4