1999 CHEVROLET MONTE CARLO engine coolant

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6-27
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.
Checking Coolant
The vehicle must be on a level surface. 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.

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6-28
If this LOW COOLANT
light comes on and stays on,
it means you're low on
engine coolant.
Adding Coolant
If you need more coolant, add the proper DEX
-COOL

coolant mixture at the coolant recovery tank, but be
careful not to spill it.
If the coolant recovery tank is completely empty, add
coolant to the radiator. (See ªEngine Overheatingº
in the Index.)
CAUTION:
Turning the radiator pressure cap when the
engine and radiator are hot can allow steam and
scalding liquids to blow out and burn 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.
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.

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6-31 Adding Washer Fluid
Open the cap labeled WASHER FLUID ONLY. 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.

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Scheduled Maintenance
7-13
150,000 Miles (240 000 km)

Drain, flush and refill cooling system (or every 60 months since last service,
whichever occurs first). See ªEngine Coolantº in the Index for what to use.
Inspect hoses. Clean radiator, condenser, pressure cap and neck. Pressure test
the cooling system and pressure cap.
An Emission Control Service.ACTUAL
SERVICED BY:MILEAGE
DATE

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7-14
Part B: Owner Checks and Services
Listed in this part are owner checks and services which
should be performed at the intervals specified to help
ensure the safety, dependability and emission control
performance of your vehicle.
Be sure any necessary repairs are completed at once.
Whenever any fluids or lubricants are added to your
vehicle, make sure they are the proper ones, as shown in
Part D.
At Each Fuel Fill
It is important for you or a service station attendant to
perform these underhood checks at each fuel fill.
Engine Oil Level Check
Check the engine oil level and add the proper oil if
necessary. See ªEngine Oilº in the Index for
further details.Engine Coolant Level Check
Check the engine coolant level and add DEX
-COOL

coolant mixture if necessary. See ªEngine Coolantº in
the Index for further details.
Windshield Washer Fluid Level Check
Check the windshield washer fluid level in the
windshield washer tank and add the proper fluid if
necessary. See ªWindshield Washer Fluidº in the Index
for further details.
At Least Once a Month
Tire Inflation Check
Make sure tires are inflated to the correct pressures.
See ªTiresº in the Index for further details.
Cassette Deck Service
Clean cassette deck. Cleaning should be done every
50 hours of tape play. See ªAudio Systemsº in the Index
for further details.

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7-20
Part D: Recommended Fluids
and Lubricants
NOTE: Fluids and lubricants identified below by name,
part number or specification may be obtained from
your dealer.
USAGE
FLUID/LUBRICANT
Engine OilEngine Oil with the American
Petroleum Institute Certified For
Gasoline Engines ªStarburstº
symbol of the proper viscosity. To
determine the preferred viscosity
for your vehicle's engine, see
ªEngine Oilº in the Index.
Engine Coolant50/50 mixture of clean, drinkable
water and use only GM
Goodwrench

DEX-COOL
or
Havoline
DEX-COOL

Coolant. See ªEngine Coolantº in
the Index.
Hydraulic Brake
SystemDelco Supreme 11
Brake Fluid
(GM Part No. 12377967 or
equivalent DOT
-3 Brake Fluid).
USAGEFLUID/LUBRICANT
Windshield
Washer SolventGM Optikleen
Washer Solvent
(GM Part No. 1051515)
or equivalent.
Power Steering
SystemGM Power Steering Fluid (GM
Part No. 1052884
- 1 pint,
1050017
- 1 quart, or equivalent).
Automatic
TransaxleDEXRON
-III Automatic
Transmission Fluid.
Key Lock
CylindersMulti-Purpose Lubricant,
Superlube
(GM Part
No. 12346241 or equivalent).
Hood Latch
Assembly,
Secondary Latch,
Pivots, Spring
Anchor and
Release PawlLubriplate
Lubricant Aerosol
(GM Part No. 12346293 or
equivalent) or lubricant meeting
requirements of NLGI # 2,
Category LB or GC
-LB.
Hood and Door
HingesMulti-Purpose Lubricant,
Superlube
(GM Part
No. 12346241 or equivalent).
Weatherstrip
ConditioningDielectric Silicone Grease (GM
Part No. 12345579 or equivalent).

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9-3
Cleaning 6-50 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Aluminum Wheels 6-55 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Exterior Lamps/Lenses 6-54 . . . . . . . . . . . . . . . . . . . . . . . .
Fabric 6-50 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fabric Protection 6-52 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Glass Surfaces 6-53 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inside of Your Vehicle 6-50 . . . . . . . . . . . . . . . . . . . . . . . . .
Instrument Panel 6-52 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Interior Plastic Components 6-52 . . . . . . . . . . . . . . . . . . . . .
Leather 6-52 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Outside of Your Vehicle 6-54 . . . . . . . . . . . . . . . . . . . . . . . .
Special Problems 6-51 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Stains 6-50 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tires 6-56 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Vinyl 6-52 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Wheels 6-55 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Windshield and Wiper Blades 6-53 . . . . . . . . . . . . . . . . . . .
Climate Control System 3-2 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Clock, for Systems with Automatic Tone Control,
Setting the 3
-6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Comfort Controls 3-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Compact Disc Player
Care 3
-20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Errors 3-13 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Compact Spare Tire 5-34 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Console Storage 2-40 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Control of a Vehicle 4-6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Convenience Net 2-41 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Convex Outside Mirror 2-39 . . . . . . . . . . . . . . . . . . . . . . . . . . Coolant 6
-25 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Adding 6-28 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Bleed Valves 5-19 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Checking 6-27 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Heater, Engine 2-16 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Radiator 5-18 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Recovery Tank 5-15 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
What to Use 6-26 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
When Trailer Towing 4-38 . . . . . . . . . . . . . . . . . . . . . . . . . .
Cooling System 5-12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Courtesy Lamps 2-36 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Courtesy Transportation 8-8 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cruise Control 2-32 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cupholders 2-39, 2-40 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Customer Assistance
for Text Telephone Users 8
-4 . . . . . . . . . . . . . . . . . . . . . . . .
Information 8-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Offices 8-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Customer Satisfaction Procedure 8-2 . . . . . . . . . . . . . . . . . . . .
Damage
Finish 6-56 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Sheet Metal 6-56 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Daytime Running Lamps 2-35 . . . . . . . . . . . . . . . . . . . . . . . . .
Dead Battery 5-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Defects, Reporting Safety 8-10 . . . . . . . . . . . . . . . . . . . . . . . .
Defensive Driving 4-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Defogger, Rear Window 3-4 . . . . . . . . . . . . . . . . . . . . . . . . . .

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9-4
Defogging 3-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Defrosting 3-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Dimensions, Vehicle 6-70 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Dolby B Noise Reduction 3-10 . . . . . . . . . . . . . . . . . . . . . . . .
Dome Lamp Bulb Replacement 6-41 . . . . . . . . . . . . . . . . . . . .
Door Locks 2-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Drive Position, Automatic Transaxle 2-20 . . . . . . . . . . . . . . . .
Driver Position 1-12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Driving
City 4
-20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Defensive 4-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Drunken 4-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Freeway 4-21 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
In a Blizzard 4-27 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
In Foreign Countries 6-5 . . . . . . . . . . . . . . . . . . . . . . . . . . .
In the Rain 4-17 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Night 4-15 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
On Curves 4-10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
On Grades While Towing a Trailer 4-37 . . . . . . . . . . . . . . .
On Hill and Mountain Roads 4-23 . . . . . . . . . . . . . . . . . . . .
On Snow or Ice 4-26 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Through Water 4-19 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Wet Roads 4-17 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Winter 4-25 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
With a Trailer 4-35 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Drunken Driving 4-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical Equipment
Adding 2-15, 2-16, 2-44, 3-18, 6-60 . . . . . . . . . . . . . . . . . .
Engine 6-10, 6-11, 6-12, 6-13 . . . . . . . . . . . . . . . . . . . . . . . .
Coolant 6-25 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Coolant Heater 2-16 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Coolant Level Check 7-14 . . . . . . . . . . . . . . . . . . . . . . . . . .
Coolant Temperature Gage 2-55 . . . . . . . . . . . . . . . . . . . . .
Coolant Temperature Light 2-54 . . . . . . . . . . . . . . . . . . . . .
Exhaust 2-27 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Identification 6-59 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Oil Level Check 7-14 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Overheating 5-9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Running While Parked 2-28 . . . . . . . . . . . . . . . . . . . . . . . . .
Specifications 6-69 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Starting Your V6 2-14, 2-15 . . . . . . . . . . . . . . . . . . . . . . . .
Engine Air Cleaner/Filter 6-20 . . . . . . . . . . . . . . . . . . . . . . . . .
Engine Cooling When Trailer Towing 4-38 . . . . . . . . . . . . . . .
Engine Oil 6-14 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Adding 6-15 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Additives 6-19 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Checking 6-15 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Used 6-19 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
What Kind to Use 6-16 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
When to Change 6-19 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ethanol 6-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Exhaust, Engine 2-27 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Exterior Lamps 2-35 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .