2001 CADILLAC SEVILLE check engine

6-25 What to Use
Use a mixture of one-half clean, drinkable water and
one
-half DEX-COOL
coolant which won't damage
aluminum parts. If you use this coolant mixture, you
don't need to add anything else.
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 mixture will. Your vehicle's coolant
warning system is set for the proper coolant
mixture. With plain water or the wrong mixture,
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 mixture of clean, drinkable water
and DEX
-COOL
coolant.
NOTICE:
If you use an improper coolant mixture, your
engine could overheat and be badly damaged.
The repair cost wouldn't be covered by your
warranty. Too much water in the mixture can
freeze and crack the engine, radiator, heater core
and other parts.
If you have to add coolant more than four times a year,
have your dealer check your cooling system.
NOTICE:
If you use the proper coolant, you don't have to
add extra inhibitors or additives which claim to
improve the system. These can be harmful.

6-26 Checking Coolant
The engine coolant surge tank is located on the driver's
side of the engine. See ªEngine Compartment Overviewº
in the Index for more information on location.
The cooling system is under a lot of pressure when
it is hot. If the CHECK COOLANT LEVEL message
appears on the Driver Information Center, you will need
to add coolant.
CAUTION:
Turning 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.
The vehicle must be on a level surface. When your
engine is cold, the coolant level should be at the FULL
COLD mark, which is at or above the fill mark at the
forward edge of the surge tank.
If the CHECK COOLANT LEVEL message comes on
and stays on, it means you're low on engine coolant.

6-28
Power Steering Fluid
The power steering fluid
reservoir is located next
to the fuse relay center
on the passenger's side of
the engine.
See ªEngine Compartment Overviewº in the Index
for more information on location.
When to Check Power Steering Fluid
It is not necessary to regularly check power steering
fluid unless you suspect there is a leak in the system or
you hear an unusual noise. A fluid loss in this system
could indicate a problem. Have the system inspected
and repaired.
How to Check Power Steering Fluid
Turn the key off, let the engine compartment cool down,
wipe the cap and the top of the reservoir clean, then
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.
The level should be at the FULL COLD mark. If necessary,
add only enough fluid to bring the level up to the mark.
What to Use
To determine what kind of fluid to use, see
ªRecommended Fluids and Lubricantsº in the
Maintenance Schedule booklet. Always use the proper
fluid. Failure to use the proper fluid can cause leaks and
damage hoses and seals.
Windshield Washer Fluid
What to Use
When you need windshield washer fluid, be sure to read
the manufacturer's instructions before use. If you will be
operating your vehicle in an area where the temperature
may fall below freezing, use a fluid that has sufficient
protection against freezing.

6-29 Adding Washer Fluid
When your vehicle's windshield washer fluid level
becomes low, a CHECK WASHER FLUID message will
appear on the Driver Information Center (DIC). You will
need to add fluid soon.
The windshield washer fluid reservoir is located next to
the fuse relay center on the passenger's side of the
engine. See ªEngine Compartment Overviewº in the
Index for more information on location.Open the cap labeled WASHER FLUID. Add washer
fluid until the tank is full.
NOTICE:

When using concentrated washer fluid,
follow the manufacturer's instructions for
adding water.

Don't mix water with ready
-to-use washer
fluid. Water can cause the solution to freeze
and damage your washer fluid tank and
other parts of the washer system. Also,
water doesn't clean as well as washer fluid.

Fill your washer fluid tank only
three
-quarters full when it's very cold.
This allows for expansion if freezing
occurs, which could damage the tank if
it is completely full.

Don't use engine coolant (antifreeze) in
your windshield washer. It can damage
your washer system and paint.

6-50
By pressing the INFO button, the DIC screen will show
which tire(s) has the low or high pressure condition.
See ªInflation
-- Tire Pressureº in the Index for
information regarding correct tire inflation. If a tire is
low, you should stop as soon as possible and check all
your tires for damage. If a tire is flat, see ªIf a Tire
Goes Flatº in the Index.
NOTICE:
Do not use a tire sealant if your vehicle is equipped
with Tire Pressure Monitors. The liquid sealant
can damage the tire pressure monitor sensors.
Once a low or high tire pressure condition is detected,
the TPM system will display the CHECK TIRE
MESSAGE each time the engine is started, until
the tire(s) are set to the correct inflation pressure.
The Tire Loading
-Information Label, which is located
on the rear edge of the driver's door, shows the correct
inflation pressure for the tires on your vehicle.The TPM system also allows the driver to check the
air pressure status of each road tire using the Driver
Information Center (DIC). Each tire's air pressure will
be listed individually, in the following order: LF (left
front or driver's side front tire), RF (right front or
passenger's side front tire), RR (right rear or passenger's
side rear tire) and LR (left rear or driver's side rear tire).
See ªInflation
-- Tire Pressureº in the Index for
information regarding correct tire inflation. Also, see
ªDriver Information Center (DIC)º in the Index for
information on the DIC controls and displays.
If the DIC display doesn't show tire pressures or
the SERVICE TPM SYSTEM message appears,
see your dealer for service. The TPM system may not
work properly while the compact spare tire is installed.
Anytime you replace one or more tires or rotate your
tires, the TPM system will need to be reset. A special
tool is needed to reset the sensor identification codes,
see your dealer for service.
The TPM system can alert you about a low or high tire
pressure condition, but it doesn't replace normal tire
maintenance. See ªTiresº in the Index.

6-76 Wheel Nut Torque
100 lb-ft (140 N´m)
Capacities
Transaxle (4T80-E) 15.0 quarts (14.2 L). . . . . . . . . .
Crankcase (Engine Oil with
Filter Change) 7.5 quarts (7.1 L). . . . . . . . . . . . . . .
Engine Cooling System 12.5 quarts (11.8 L). . . . . . . .
Fuel Tank 18.5 U.S. gallons (70.1L). . . . . . . . . . . . . .
Refrigerant See charge label. . . . . . . . . . . . . . . . . . . .
under the hood
All capacities are approximate. When adding, be sure to
fill to the approximate level, as recommended in this
manual. Recheck fluid level after filling.
Normal Maintenance
Replacement Parts
Air Filter Element AC Type A1208C. . . . . . . . . . . . .
Fuel Filter Element AC Type GF
-627 . . . . . . . . . . . .
Engine Oil Filter AC Type PF
-58 . . . . . . . . . . . . . . . .
PCV Valve AC Type CV
-774C . . . . . . . . . . . . . . . . . .
Spark Plugs PT16EPR
-C13 (GM part 12561466) . . .
Gap: 0.050 inches (1.3 mm)
Windshield Wiper Blade
(Hook Type) 22 inches (56.5 cm). . . . . . . . . . . . . . .
Vehicle Dimensions
Wheel Base 112.2 inches (285.0 cm). . . . . . . . . . . . .
Length 201.0 inches (510.5 cm). . . . . . . . . . . . . . . . .
Height 55.4 inches (140.6 cm). . . . . . . . . . . . . . . . . . .
Width 75.0 inches (190.4 cm). . . . . . . . . . . . . . . . . . .
Front Tread 62.7 inches (159.3 cm). . . . . . . . . . . . . . .
Rear Tread 62.4 inches (158.6 cm). . . . . . . . . . . . . . .

7-12
2001 CADILLAC SERVICE PUBLICATIONS ORDERING INFORMATION
The following publications covering the operation and servicing of your vehicle can be purchased by filling out
the Service Publication Order Form in this book and mailing it in with your check, money order,
or credit card information to Helm, Incorporated (address below.)
CURRENT PUBLICATIONS FOR 2001 CADILLAC
SERVICE MANUALS
Service Manuals have the diagnosis and repair information
on engines, transmission, axle, suspension, brakes,
electrical, steering, body, etc.
RETAIL SELL PRICE: $120.00
TRANSMISSION, TRANSAXLE, TRANSFER CASE
UNIT REPAIR MANUAL
This manual provides information on unit repair service
procedures, adjustments and specifications for the
2001 GM transmissions, transaxles and transfer cases.
RETAIL SELL PRICE: $50.00
SERVICE BULLETINS
Service Bulletins give technical service information needed
to knowledgeably service General Motors cars and trucks.
Each bulletin contains instructions to assist in the
diagnosis and service of your vehicle.OWNER'S INFORMATION
Owner publications are written directly for Owners and
intended to provide basic operational information about
the vehicle.
Owner's Manual.
RETAIL SELL PRICE: $15.00
CURRENT & PAST MODEL ORDER FORMS
Service Publications are available for current and past
model GM vehicles. To request an order form, please
specify year and model name of the vehicle.
PLEASE COMPLETE THE ORDER FORM SHOWN ON
THE FOLLOWING PAGE AND MAIL TO:
Helm, Incorporated
P.O. Box 07130
Detroit, MI 48207OR ORDER TOLL FREE: 1-800-551-4123
Monday-Friday 8:00 AM ± 6:00 PM Eastern Time
Visit Helm, Inc. on the World Wide Web at: www.helminc.com
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