2003 Oldsmobile Bravada coolant level

How to Add Coolant to the Coolant
Recovery Tank
If you haven’t found a problem yet, but the coolant level
isn’t at the FULL COLD mark, add a
50/50 mixture of
clean, drinkable water and DEX-COOL@ engine coolant
at the coolant recovery tank. See
Engine Coolant on
page 5-22 for more information.
water to your cooli
-
system can be dangerous. Plain water, or
some other liquid such as 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: In cold weather, water can freeze and crack
the engine, radiator, heater core and other parts. Use the recommended coolant and the proper
coolant mixture. You
can be burned
.. jou 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.
When the coolant in the coolant recovery tank is at the
FULL COLD mark, start your vehicle.
5-28

Engine Fan Noise
6. Start the engine and let it run until you can feel the
upper radiator hose getting hot. Watch out for the
engine cooling fan.
7. By this time, the coolant level inside the radiator
filler neck may be lower.
If the level is lower, add
more of the proper
DEX-COOL@ coolant mixture
through the filler neck until the level reaches
the base of the filler neck.
8. 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 pressure cap is hand-tight. This vehicle has a clutched engine cooling
fan. When
the clutch is engaged, the fan spins faster to provide
more air to cool the engine. In most everyday driving
conditions the clutch is not engaged. This improves fuel
economy and reduces fan noise. Under heavy vehicle
loading, trailer towing, and/or high outside temperatures,
the fan speed increases when the clutch engages.
So
you may hear an increase in fan noise. This is
normal and should not be mistaken as the transmission
slipping or making extra shifts.
It is merely the cooling
system functioning properly. The fan will slow down
when additional cooling is not required and the clutch
disengages.
You may also hear this fan noise when you start the
engine.
It will go away as the fan clutch disengages.
5-32

Adding Washer Fluid
Open the cap with the
washer symbol on it. Add
washer fluid until the
tank is full.
Notice:
e
0
0
e
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.
Brakes
Brake Fluid
L A
L
L
1
Your brake master cylinder reservoir is filled with DOT-3
brake fluid. See
Engine Compartment Overview on
page
5-72 for the location of the reservoir.
There are only two reasons why the brake fluid level in
the reservoir might
go down. The first is that the
brake fluid goes down to an acceptable level during
normal brake lining wear. When new linings are put in,
the fluid level goes back up. The other reason is
that fluid is leaking out of the brake system.
5-34

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 Engine Oil on page 5-13 for further
details.
Engine Coolant Level Check
Check the engine coolant level and add DEX-COOL@
coolant mixture
if necessary. See Engine Coolant
on page 5-22
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
Windshield Washer Fluid on page 5-33 for further
details.
At Least Once a Month
Tire Inflation Check
Make sure tries are inflated to the correct pressures.
Don’t forget to check your spare tire. See
Tires on
page 5-52
for further details.
Cassette Tape Player Service
Clean cassette tape player. Cleaning should be done
every
50 hours of tape play. See Audio Systern(s)
on page 3-56 for further details.
6-1 0

CHECK WASHER FLUID ............. ......... 3-54
Checking Brake Fluid
................................... 5-35
Checking Coolant
......................................... 5-23
Checking Engine Oil
........................................ 5-14
Checking Things Under the Hood
...................... 5-10
Checking Your Restraint Systems
...................... 1-56
Chemical Paint Spotting
................................... 5-83
Child Restraints Center Seat Position
.................................... 1-45
Child Restraint Systems
... .................... 1-32
Infants and Young Children
........................... 1-29
Lower Anchorages and Top Tethers for
Children (LATCH System)
.............. ..... 1-38
Older Children
.................................... . 1-27
Securing a Child Restraint Designed for the LATCH System
.............................. 1-40
Securing a Child Restraint in a
Rear Outside Seat Position
........................ 1-40
Securing a Child Restraint in the
Right Front Seat Position
.......................... 1-42
Top Strap
................................................... 1-36
Top Strap Anchor Location
............................ 1-37
Where to Put the Restraint
........................... 1-35
Chime Level Adjustment
.................................. 3-91
Cigarette Lighter
............................................. 3-20
Cleaning Inside of Your Vehicle
.................................. 5-77
Outside of Your Vehicle
................................ 5-80
Underbody Maintenance
............................... 5-83
Video Screen
.............................................. 3-91 Cleaning
(cont.)
Weatherstrips
.............................................. 5-80
Cleaning Exterior Lamps/Lenses
....................... 5-80
Climate Controls Personalization
.................... 3-27
Dual Automatic
............................................ 3-21
Rear
.......................................................... 3-25
Steering Wheel Controls
............................... 3-27
Compact Disc Messages
.......................... 3-65, 3-76
Compass Calibration
.......... ..................... 2-31
Compass Operation
..................................... 2-30
Compass Variance
.......................................... 2-31
Content Theft-Deferrent
.................................... 2-16
Control of
a Vehicle ....................................... 4-5
Convenience Net
.................................. .. 2-44
Coolant Engine Temperature Gage
............................ 3-35
Climate Control System
Heater, Engine
............................................ 2-20
Cooling System
.............................................. 5-26
Cruise Control
................................................ 3-11
Cruise Control Light
........................................ 3-40
Current and Past Model Order Forms
................ 7-11
Customer Assistance Information Courtesy Transportation
...................... 7-7
Customer Assistance for Text
Telephone (TTY) Users
............................... 7-4
Customer Assistance Offices
........................... 7-4
Customer Satisfaction Procedure
..................... 7-2
GM Mobility Program for Persons with
Disabilities
................................................ 7-5
3

E
Electrical System
Add-on Equipment
...................................... 5-86
Fuses and Circuit Breakers
........................... 5-86
Headlamps
................................................. 5-86
Power Windows and Other Power Options
...... 5-86
Windshield Wiper Fuses
............................... 5-86
Electronically Controlled Air Suspension
System
...................................................... 4-43
Emergency Release for Opening Liftgate
............ 2-13
Emissions Inspection and Maintenance Programs
................................................... 3-38
Engine Air Cleaner/Filter
......................................... 5-1 8
Battery
....................................................... 5-38
Change Engine Oil Light
............................... 3-39
Check and Service Engine Soon Light
............ 3-35
Coolant
...................................................... 5-22
Coolant Heater
............................................ 2-20
Cooling System Inspection
............................ 6-15
Engine Compartment Overview
...................... 5-1 2
Exhaust ..................................................... 2-28
Fan Noise
.................................................. 5-32
Oil ............................................................. 5-13
Overheating
................................................ 5-24
Reduced Power Light
................................... 3-40
Starting
...................................................... 2-1 9
Coolant Temperature
Gage
........................... 3-35 Engine
Air Cleaner Filter Restriction
Indicator Check
............................. ... 6-11
Engine Compartment Fuse Block
................... 5-87
Engine Coolant Level Check
............................. 6-10
Engine Oil Additives
........................................ 5-17
Engine Oil Level Check
................................... 6-10
Engine Oil Scheduled Maintenance
..................... 6-5
Entertainment System Cleaning the Video Screen
........................... 3-91
DVD Distortion
............................................ 3-89
Entry Lighting
.............................................. 3-18
Environmental Concerns
........................ ... 4-17
Erasing HomeLinkO Buttons
................... ... 2-39
Exit Lighting
................................................... 3-18
Express-Down Window
.................................... 2-15
Extender, Safety Belt
....................................... 1-26
Exterior Lamps
........................................... 3-14
ENGINE COOLANT HOT/IDLE ENGINE
............. 3-52
F
FabridCarpet ................................................. 5-77
Filter
Engine Air Cleaner
...................................... 5-18
Finding a PTY Station
............................. 3-60, 3-69
Finding a Station
.................................... 3-58, 3-66
Finish Care
.................................................... 5-81
Finish Damage
............................................... 5-82
Fixed Mast Antenna
........................................ 3-91
Flash-to-Pass
................................................... 3-8
5

Flat Tire ......................................... 5-61
Flat Tire, Changing
......................................... 5-62
Fluid Automatic Transmission
................................ 5-20
Power Steering
........................................... 5-33
Windshield Washer
...................................... 5-33
FM
............................................................... 3-89
Fog Lamps
.................................................... 3-16
Following Distance
.......................................... 4-50
Footnotes
........................................................ 6-5
Front Axle ...................................................... 5-44
Front Storage Area
......................................... 2-42
Fuel
............................................................... 5-5
Additives ...................................................... 5-6
California Fuel
.............................................. 5-6
Filling Your Tank
........................................... 5-7
Fuels in Foreign Countries
.............................. 5-6
Gage
......................................................... 3-42
Gasoline Octane
........................................... 5-5
Gasoline Specifications .................................. 5-5
Low Warning Light
....................................... 3-42
System Inspection
....................................... 6-1 5
Fuel Information .............................................. 3-44
FUEL LEVEL LOW
.............................. .... ~~~~ 3-54
Fuses Fuses and Circuit Breakers
.......... ...... 5-86
Filling a Portable Fuel Container
..................... 5-9
G
Gage
Check Gages Warning Light
... ............... 3-41
Engine Coolant Temperature
................. 3-35
Fuel
.................................................. 3-42
Oil Pressure
..... ........ ............... 3-38
Speedometer
...................................... 3-30
Tachometer
............................................. 3-30
Garage Door Opener
....................................... 2-37
Gasoline Octane
........................ ......... 5-5
Speclflcatlons
............................................... 5-5
Gate Ajar Light
............................................... 3-42
Gate Operator and Canadian Programming
........ 2-39
Getting Familiar with Off-Road Driving
................ 4-17
Glass Surfaces
............................................... 5-79
Glove Box ..................................................... 2-41
GM Mobility Program for Persons with
Disabilities
...................................
Voltmeter Gage ........................................... 3-32
...
............. 7-5
Hazard Warning Flashers
................................... 3-5
Head Restraints
............................................... 1-5
Headlamps Headlamp High/Low-Beam Changer
.................... 3-8
Bulb Replacement
....................................... 5-47
Windshield Wiper
......................................... 5-86 Electrical System ......................................... 5-86
6