2005 CHEVROLET AVALANCHE headlamp

Service............................................................5-3
Doing Your Own Service Work.........................5-4
Adding Equipment to the Outside of Your
Vehicle......................................................5-4
Fuel................................................................5-5
Gasoline Octane............................................5-5
Gasoline Specications....................................5-5
California Fuel...............................................5-5
Additives.......................................................5-6
Fuel E-85 (85% Ethanol).................................5-6
Fuels in Foreign Countries...............................5-7
Filling the Tank..............................................5-8
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...................................................5-15
Engine Oil Life System..................................5-18
Engine Air Cleaner/Filter................................5-20
Automatic Transmission Fluid.........................5-22
Engine Coolant.............................................5-25
Coolant Surge Tank Pressure Cap..................5-28
Engine Overheating.......................................5-28
Overheated Engine Protection Operating Mode . . .5-30Cooling System............................................5-30
Engine Fan Noise.........................................5-35
Power Steering Fluid.....................................5-36
Windshield Washer Fluid................................5-36
Brakes........................................................5-38
Battery........................................................5-41
Jump Starting...............................................5-42
Rear Axle.......................................................5-47
Four-Wheel Drive............................................5-48
Front Axle......................................................5-49
Bulb Replacement..........................................5-50
Halogen Bulbs..............................................5-50
Headlamps..................................................5-50
Front Turn Signal, Sidemarker and Parking
Lamps.....................................................5-53
Front Turn Signal, Sidemarker and Daytime
Running Lamps.........................................5-54
Daytime Running Lamps (DRL).......................5-56
Taillamps, Turn Signal, Stoplamps and
Back-up Lamps.........................................5-57
Replacement Bulbs.......................................5-58
Windshield Wiper Blade Replacement..............5-58
Section 5 Service and Appearance Care
5-1

Bulb Replacement
For the proper type of replacement bulbs, see
Replacement Bulbs on page 5-58.
For any bulb changing procedure not listed in this
section, contact your dealer.
Halogen Bulbs
{CAUTION:
Halogen bulbs have pressurized gas inside
and can burst if you drop or scratch the bulb.
You or others could be injured. Be sure to read
and follow the instructions on the bulb
package.
Headlamps
Vehicles with Body-Side Cladding
To replace a headlamp bulb, do the following:
1. Open the hood. SeeHood Release on page 5-10
for more information.
2. Remove the turn
signal/parking lamp
assembly by pressing
the release clip on
the outboard side of the
assembly and pulling
the outboard end
toward you.
3. Pull the inboard side of the assembly out from the
vehicle.
5-50

4. Pull the pins away from their clips and pull them up
until they completely release from the vehicle.
5. Pull the headlamp assembly out of the vehicle.A. Low-Beam Headlamp
B. High-Beam Headlamp
6. Turn the bulb connector counterclockwise and
pull it out of the assembly.
7. Unplug the electrical connector from the old bulb.
8. Plug in the electrical connector to the new bulb.
9. Place the connector with the new bulb into the
headlamp assembly and turn it clockwise until
it is tight.
10. Put the headlamp assembly back into the vehicle
and reinstall the two pins.
11. Place the inboard end of the turn signal/parking
lamp assembly into the pocket.
12. Push the outboard side of the assembly in
until the release clip snaps into place.
5-51

Vehicles without Body-Side Cladding
To replace a headlamp bulb, do the following:
1. Open the hood. SeeHood Release on page 5-10
for more information.
2. Remove the pin on the headlamp assembly by
turning the pin up and pulling it straight out.
3. Pull the headlamp assembly out.A. Low-Beam Headlamp
B. High-Beam Headlamp
4. Unplug the electrical connector.
5. Turn the old bulb counterclockwise and remove it
from the headlamp assembly.
6. Put the new bulb into the assembly and turn it
clockwise until it is tight.
7. Plug in the electrical connector.
8. Reinstall the headlamp assembly.
9. Install the pin and turn it into the locking feature.
5-52

6. Put the new bulb into the bulb socket.
7. Put the bulb socket into the turn signal assembly
and turn it clockwise until it locks (the sidemarker
lamp does not lock into place).
8. Place the inboard end of the turn signal/parking
lamp assembly into the pocket.
9. Push the outboard side of the assembly in until the
release clip snaps into place.
Front Turn Signal, Sidemarker and
Daytime Running Lamps
Vehicles without Body-Side Cladding
To replace a front turn signal, sidemarker, or DRL bulb,
do the following:
1. Remove the headlamp assembly as mentioned
previously. SeeHeadlamps on page 5-50for
more information.2. Press the retainer clip (arrow), located behind the
turn signal assembly, towards the outside of the
vehicle.
5-54

5. Remove the old bulb from the bulb socket.
6. Install a new bulb into the bulb socket.
7. Reinstall the bulb socket into the turn signal
assembly and turn it clockwise until it locks
(the sidemarker lamps does not lock into place).
8. Reinstall the turn signal assembly back onto the
vehicle placing the hook and posts on the inner
side into the alignment holes rst and then the outer
side into the retainer bracket. Push until you hear
a click.
9. Reinstall the headlamp assembly back into the
vehicle.Daytime Running Lamps (DRL)
Vehicles with Body-Side Cladding
The daytime running lamps (DRL) are located in the
front fascia near the fog lamps. They can be identied by
their square shape. To change a bulb, do the following:
1. Reach under the front fascia and locate the
DRL assembly. Be sure you are not picking the fog
lamp assembly, which is near the DRLs.
2. Turn the bulb socket
counterclockwise and
remove it from the DRL
assembly.
3. Pull out the old bulb from the socket.
4. Install a new bulb.
5. Reinstall the bulb socket back into the DRL
assembly and turn it clockwise until it is tight.
5-56

6. Press a new bulb into the socket and turn the
socket clockwise into the taillamp assembly
until it clicks.
7. Reinstall the taillamp assembly and tighten the
screws.
Replacement Bulbs
Exterior Lamp Bulb Number
Back-up Lamp 3157
Daytime Running Lamps (DRL) 4114K
Front Parking and Turn Signal
Lamp3157A or 3457NA
Headlamps
High-Beam *9011 or 9005
Low-Beam 9006
Stoplamp, Taillamp and Turn
Signal Lamp3157
Sidemarker Lamp 194
*Vehicles with Body-Side Cladding
For replacement bulbs not listed here, contact your
dealer.
Windshield Wiper Blade
Replacement
Windshield wiper blades should be inspected for wear
and cracking. SeeScheduled Maintenance on page 6-4
for more information.
Replacement blades come in different types and are
removed in different ways. For proper type and length,
seeNormal Maintenance Replacement Parts on
page 6-15.
To replace the windshield wiper blade assembly do the
following:
1. Lift the wiper arm and turn the blade until it is
facing away from the windshield.
5-58

If you need to replace any of your wheels, wheel bolts
or wheel nuts, replace them only with new GM
original equipment parts. This way, you will be sure to
have the right wheel, wheel bolts and wheel nuts
for your vehicle.
{CAUTION:
Using the wrong replacement wheels, wheel
bolts or wheel nuts on your vehicle can be
dangerous. It could affect the braking and
handling of your vehicle, make your tires lose
air and make you lose control. You could have
a collision in which you or others could be
injured. Always use the correct wheel, wheel
bolts and wheel nuts for replacement.
Notice:The wrong wheel can also cause problems
with bearing life, brake cooling, speedometer or
odometer calibration, headlamp aim, bumper height,
vehicle ground clearance and tire or tire chain
clearance to the body and chassis.
SeeChanging a Flat Tire on page 5-75for more
information.
Used Replacement Wheels
{CAUTION:
Putting a used wheel on your vehicle is
dangerous. You cannot know how it has been
used or how far it has been driven. It could fail
suddenly and cause a crash. If you have to
replace a wheel, use a new GM original
equipment wheel.
5-73