2004 CHEVROLET AVALANCHE hood release

The main components of your instrument panel are the
following:
A. Air Outlets. SeeOutlet Adjustment on page 3-32.
B. Exterior Lamps Control. SeeExterior Lamps
on page 3-14.
C. Cargo/Top-Box Lamps Button. SeeExterior Lamps
on page 3-14.
D. Automatic Transfer Case Buttons (If Equipped). See
Four-Wheel Drive on page 2-38. Traction Assist
System (If Equipped). SeeTraction Assist System
(TAS) on page 4-9. Stabilitrak
®Button (If Equipped).
SeeStabilitrak®System on page 4-11.
E. OnStar®and Radio Steering Wheel Buttons (If
Equipped). SeeOnStar®System on page 2-59and
Audio Steering Wheel Controls on page 3-114.
F. Instrument Panel Cluster. SeeInstrument Panel
Cluster on page 3-34.
G. Shift Lever/Tow/Haul Selector Button. SeeAutomatic
Transmission Operation on page 2-34.
H. Audio System. SeeAudio System(s) on page 3-72.
I. Dome Override Button. SeeInterior Lamps on
page 3-20.J. Fog Lamps Button. SeeExterior Lamps on
page 3-14.
K. Turn Signal/Multifunction Lever. SeeTurn
Signal/Multifunction Lever on page 3-8.
L. Hood Release. SeeHood Release on page 5-10.
M. Tilt Lever. SeeTilt Wheel on page 3-7.
N. Driver Information Center (DIC) Buttons. SeeDriver
Information Center (DIC) on page 3-53.
O. Parking Brake Release. SeeParking Brake on
page 2-42.
P. Comfort Control Systems. SeeAutomatic Climate
Control System on page 3-22andDual Climate
Control System on page 3-29.
Q. Lighter (If Equipped) or Accessory Power Outlet
(If Equipped). SeeAshtrays and Cigarette Lighter on
page 3-22andAccessory Power Outlets on
page 3-21.
R. Accessory Power Outlet (If Equipped). See
Accessory Power Outlets on page 3-21.
S. Glove Box. SeeGlove Box on page 2-65.
3-5

Service............................................................5-3
Doing Your Own Service Work.........................5-4
Adding Equipment to the Outside
of Your Vehicle...........................................5-5
Fuel................................................................5-5
Gasoline Octane............................................5-5
Gasoline Specications....................................5-5
California Fuel...............................................5-6
Additives.......................................................5-6
Fuels in Foreign Countries...............................5-7
Filling Your Tank............................................5-7
Filling a Portable Fuel Container.......................5-9
Checking Things Under the Hood....................5-10
Hood Release..............................................5-10
Engine Compartment Overview.......................5-12
Engine Oil...................................................5-16
Engine Air Cleaner/Filter................................5-21
Automatic Transmission Fluid.........................5-23
Engine Coolant.............................................5-26
Coolant Surge Tank Pressure Cap..................5-29
Engine Overheating.......................................5-29
Cooling System............................................5-33Engine Fan Noise.........................................5-40
Power Steering Fluid.....................................5-41
Windshield Washer Fluid................................5-42
Brakes........................................................5-43
Battery........................................................5-47
Jump Starting...............................................5-48
Rear Axle.......................................................5-55
Four-Wheel Drive............................................5-56
Front Axle......................................................5-57
Bulb Replacement..........................................5-58
Halogen Bulbs..............................................5-58
Headlamps..................................................5-58
Front Turn Signal, Sidemarker and
Parking Lamps..........................................5-62
Front Turn Signal, Sidemarker and
Daytime Running Lamps.............................5-63
Daytime Running Lamps................................5-65
Center High-Mounted Stoplamp (CHMSL).........5-65
Taillamps.....................................................5-65
Replacement Bulbs.......................................5-66
Windshield Wiper Blade Replacement..............5-67
Section 5 Service and Appearance Care
5-1

Checking Things Under
the Hood
{CAUTION:
Things that burn can get on hot engine parts
and start a re. These include liquids like fuel,
oil, coolant, brake uid, windshield washer and
other uids, and plastic or rubber. You or
others could be burned. Be careful not to drop
or spill things that will burn onto a hot engine.
Hood Release
To open the hood, do the following:
1. Pull the handle located
inside the vehicle to
the lower left of
the steering wheel.
5-10

2. Then go to the front of the vehicle and push left on
the secondary hood release, located under the front
emblem for vehicles with gray body–side cladding
or above the emblem for vehicles with no body–side
cladding.
3. Lift the hood.
Before closing the hood, be sure all ller caps are on
properly. Pull down the hood and close it rmly. Vehicles with Body-Side Cladding
Vehicles without Body-Side Cladding
5-11

(f)Lubricate all key lock cylinders, hood latch assembly,
secondary latch, pivots, spring anchor, release pawl,
midgate hinges, side storage box door hinges, tailgate
hinges, tailgate linkage, outer tailgate handle pivot points,
latch bolt, fuel door hinge, locks and folding seat
hardware. More frequent lubrication may be required
when exposed to a corrosive environment. Applying
silicone grease on weatherstrips with a clean cloth will
make them last longer, seal better and not stick or
squeak.
(g)Add uid as needed. A uid loss could indicate a
problem; repair as needed. Check vent hose at transfer
case for kinks and proper installation.
(h)Change automatic transmission uid and lter if the
vehicle is mainly driven under one or more of these
conditions:
In heavy city traffic where the outside temperature
regularly reaches 90°F (32°C) or higher.
In hilly or mountainous terrain.
When doing frequent trailer towing.
Uses such as found in taxi, police or delivery
service.(i)Drain, ush and rell cooling system. See Engine
Coolant on page 5-26for what to use. Inspect hoses.
Clean radiator, condenser, pressure cap and ller neck.
Pressure test the cooling system and pressure cap.
(j)A uid loss in any vehicle system could indicate a
problem. Have the system inspected and repaired and
the uid level checked. Add uid if needed.
(k)Inspect system. Check all fuel and vapor lines and
hoses for proper hook-up, routing and condition.
Check that the purge valve works properly (if equipped).
Replace as needed.
6-9

H
Hazard Warning Flashers................................... 3-6
Head Restraints............................................... 1-7
Headlamp High/Low-Beam Changer.................... 3-9
Headlamps....................................................5-58
Bulb Replacement.......................................5-58
Daytime Running Lamps...............................5-65
Front Turn Signal, Sidemarker and Daytime
Running Lamps........................................5-63
Front Turn Signal, Sidemarker and Parking
Lamps....................................................5-62
Halogen Bulbs............................................5-58
Headphones.................................................3-100
Heated Seats................................................... 1-4
Heating.........................................................3-27
Highway Hypnosis...........................................4-42
Hill and Mountain Roads..................................4-43
Hitches..........................................................4-74
HomeLink
®Transmitter....................................2-61
HomeLink®Transmitter, Programming................2-62
Hood
Checking Things Under................................5-10
Release.....................................................5-10
Horn............................................................... 3-7
How to Add Coolant to the Coolant Surge Tank......5-35How to Add Fluid............................................5-26
How to Check Lubricant...................................5-55
How to Check Power Steering Fluid..................5-42
How to Use This Manual...................................... ii
How to Wear Safety Belts Properly...................1-14
Hydroplaning..................................................4-37
I
If No Steam Is Coming From Your Engine..........5-32
If Steam Is Coming From Your Engine...............5-30
If the Light is Flashing.....................................3-48
If the Light Is On Steady.................................3-48
If You Are Caught in a Blizzard.........................4-47
If You Are Stuck in Sand, Mud, Ice or Snow.......4-49
If You Do Decide To Pull A Trailer.....................4-69
Ignition Positions.............................................2-31
Illuminated Visor Vanity Mirrors.........................2-26
Infants and Young Children, Restraints...............1-32
Ination - Tire Pressure...................................5-76
Instrument Panel
Cluster.......................................................3-34
Overview..................................................... 3-4
Instrument Panel Brightness.............................3-20
Instrument Panel Fuse Block..........................5-120
Interior Lamps................................................3-20
8