bulb CHEVROLET EXPRESS CARGO VAN 2012 1.G Owners Manual

Black plate (2,1)Chevrolet Express Owner Manual - 2012
2012 Chevrolet Express Owner ManualM
Driving and Operating. . . . . . . . 9-1
Driving Information . . . . . . . . . . . . . 9-2
Starting and Operating . . . . . . . 9-16
Engine Exhaust . . . . . . . . . . . . . . 9-24
Automatic Transmission . . . . . . 9-25
Drive Systems . . . . . . . . . . . . . . . . 9-33
Brakes . . . . . . . . . . . . . . . . . . . . . . . 9-33
Ride Control Systems . . . . . . . . 9-35
Cruise Control . . . . . . . . . . . . . . . . 9-37
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . 9-40
Towing . . . . . . . . . . . . . . . . . . . . . . . 9-46
Conversions and Add-Ons . . . 9-58 Vehicle Care
. . . . . . . . . . . . . . . . . 10-1
General Information . . . . . . . . . . 10-2
Vehicle Checks . . . . . . . . . . . . . . . 10-4
Bulb Replacement . . . . . . . . . . 10-35
Electrical System . . . . . . . . . . . . 10-41
Wheels and Tires . . . . . . . . . . . 10-49
Jump Starting . . . . . . . . . . . . . . . 10-86
Towing . . . . . . . . . . . . . . . . . . . . . . 10-90
Appearance Care . . . . . . . . . . . 10-93
Service and Maintenance . . . 11-1
General Information . . . . . . . . . . 11-1
Maintenance Schedule . . . . . . . 11-3
Special Application Services . . . . . . . . . . . . . . . . . . . . 11-8
Additional Maintenance and Care . . . . . . . . . . . . . . . . . . . . 11-8
Recommended Fluids, Lubricants, and Parts . . . . . . 11-12
Maintenance Records . . . . . . . 11-15 Technical Data
. . . . . . . . . . . . . . . 12-1
Vehicle Identification . . . . . . . . . 12-1
Vehicle Data . . . . . . . . . . . . . . . . . . 12-2
Customer Information . . . . . . . 13-1
Customer Information . . . . . . . . 13-1
Reporting Safety Defects . . . . 13-19
Vehicle Data Recording and
Privacy . . . . . . . . . . . . . . . . . . . . 13-20
OnStar . . . . . . . . . . . . . . . . . . . . . . . 14-1
OnStar Overview . . . . . . . . . . . . . 14-1
OnStar Services . . . . . . . . . . . . . . 14-2
OnStar Additional Information . . . . . . . . . . . . . . . . . . 14-5
Index . . . . . . . . . . . . . . . . . . . . . i-1

Black plate (5,1)Chevrolet Express Owner Manual - 2012
Lighting 6-5
Hazard Warning Flashers
|(Hazard Warning Flashers):
Press this button located on top of
the steering column, to make the
front and rear turn signal lamps
flash on and off. This warns others
that you are having trouble. Press
again to turn the flashers off.
When the hazard warning flashers
are on, the vehicle's turn signals will
not work.
Turn and Lane-Change
Signals
G: An arrow on the instrument
panel cluster flashes in the direction
of the turn or lane change.
To signal a turn, move the lever all
the way up or down.
To signal a lane change, raise or
lower the lever until the arrow
starts to flash. The turn signal
automatically flashes three times
and if the Tow/Haul Mode is active
it flashes six times. Holding the
turn signal lever for more than
one second causes the turn signals
to flash continually until the lever
is released. The lever returns to its starting
position when released.
If after signaling a turn or lane
change the arrow flashes rapidly or
does not come on, a signal bulb
may be burned out.
Have any burned out bulbs
replaced. If the bulb is not burned
out, check the fuse. See
Fuses and
Circuit Breakers on page 10‑41.Turn Signal On Chime
If the turn signal is left on for more
than 1.2 km (0.75 mi), a chime
sounds at each flash of the turn
signal and the message TURN
SIGNAL ON also appears in the
Driver Information Center (DIC).
See Lamp Messages on page 5‑38.
To turn off the chime and message,
move the turn signal lever to the
off position.

Black plate (48,1)Chevrolet Express Owner Manual - 2012
9-48 Driving and Operating
Passing
More passing distance is needed
when towing a trailer. Because the
rig is longer, it is necessary to go
much farther beyond the passed
vehicle before returning to the lane.
Backing Up
Hold the bottom of the steering
wheel with one hand. Then, to move
the trailer to the left, move that hand
to the left. To move the trailer to the
right, move your hand to the right.
Always back up slowly and,
if possible, have someone
guide you.
Making Turns
Notice:Making very sharp turns
while trailering could cause the
trailer to come in contact with the
vehicle. The vehicle could be
damaged. Avoid making very
sharp turns while trailering.
When turning with a trailer, make
wider turns than normal. Do this so
the trailer will not strike soft shoulders, curbs, road signs, trees
or other objects. Avoid jerky or
sudden maneuvers. Signal well in
advance.
Turn Signals When Towing a
Trailer
The arrows on the instrument panel
flash whenever signaling a turn or
lane change. Properly hooked up,
the trailer lamps also flash, telling
other drivers the vehicle is turning,
changing lanes or stopping.
When towing a trailer, the arrows on
the instrument panel flash for turns
even if the bulbs on the trailer are
burned out. For this reason you may
think other drivers are seeing the
signal when they are not. It is
important to check occasionally to
be sure the trailer bulbs are still
working.
Driving on Grades
Reduce speed and shift to a
lower gear
beforestarting down a
long or steep downgrade. If the
transmission is not shifted down, the brakes might have to be used so
much that they would get hot and no
longer work well.
The vehicle can tow in D (Drive).
Shift the transmission to a lower
gear if the transmission shifts too
often under heavy loads and/or hilly
conditions.
When towing at high altitude on
steep uphill grades, consider the
following: Engine coolant will boil at
a lower temperature than at normal
altitudes. If the engine is turned off
immediately after towing at high
altitude on steep uphill grades, the
vehicle may show signs similar to
engine overheating. To avoid this,
let the engine run while parked,
preferably on level ground, with the
automatic transmission in P (Park)
for a few minutes before turning the
engine off. If the overheat warning
comes on, see
Engine Overheating
on page 10‑22.

Black plate (1,1)Chevrolet Express Owner Manual - 2012
Vehicle Care 10-1
Vehicle Care
General Information
General Information . . . . . . . . . . 10-2
California Proposition65 Warning . . . . . . . . . . . . . . . . . 10-2
California Perchlorate Materials Requirements . . . . 10-2
Accessories and Modifications . . . . . . . . . . . . . . . 10-3
Vehicle Checks
Doing Your OwnService Work . . . . . . . . . . . . . . . 10-4
Hood . . . . . . . . . . . . . . . . . . . . . . . . 10-4
Engine Compartment Overview . . . . . . . . . . . . . . . . . . . 10-6
Engine Oil . . . . . . . . . . . . . . . . . . . 10-7
Engine Oil Life System . . . . . 10-10
Automatic Transmission Fluid (4-Speed Transmission) . . . 10-11
Automatic Transmission Fluid (6-Speed
Transmission) . . . . . . . . . . . . . 10-13
Engine Air Cleaner/Filter . . . . 10-16
Cooling System . . . . . . . . . . . . 10-18
Engine Coolant . . . . . . . . . . . . . 10-18
Engine Overheating . . . . . . . . 10-22 Engine Fan . . . . . . . . . . . . . . . . . 10-24
Power Steering Fluid . . . . . . . 10-24
Washer Fluid . . . . . . . . . . . . . . . 10-25
Brakes . . . . . . . . . . . . . . . . . . . . . 10-26
Brake Fluid . . . . . . . . . . . . . . . . . 10-27
Battery . . . . . . . . . . . . . . . . . . . . . 10-28
All-Wheel Drive . . . . . . . . . . . . . 10-29
Front Axle . . . . . . . . . . . . . . . . . . 10-30
Rear Axle . . . . . . . . . . . . . . . . . . 10-31
Noise Control System . . . . . . 10-31
Starter Switch Check . . . . . . . 10-33
Automatic Transmission Shift
Lock Control Function
Check . . . . . . . . . . . . . . . . . . . . . 10-33
Ignition Transmission Lock Check . . . . . . . . . . . . . . . . . . . . . 10-33
Park Brake and P (Park) Mechanism Check . . . . . . . . 10-34
Wiper Blade Replacement . . . . . . . . . . . . . . 10-34
Bulb Replacement
Bulb Replacement . . . . . . . . . . 10-35
Halogen Bulbs . . . . . . . . . . . . . . 10-35
Headlamps . . . . . . . . . . . . . . . . . 10-35
Front Turn Signal,Sidemarker, and Parking
Lamps . . . . . . . . . . . . . . . . . . . . 10-37
Taillamps . . . . . . . . . . . . . . . . . . . 10-38 Center High-Mounted
Stoplamp (CHMSL) . . . . . . . 10-39
License Plate Lamp . . . . . . . . 10-40
Replacement Bulbs . . . . . . . . . 10-40
Electrical System
Electrical System Overload . . . . . . . . . . . . . . . . . . 10-41
Fuses and Circuit Breakers . . . . . . . . . . . . . . . . . . 10-41
Engine Compartment Fuse Block . . . . . . . . . . . . . . . . . . . . . 10-42
Floor Console Fuse Block . . . . . . . . . . . . . . . . . . . . . 10-46
Wheels and Tires
Tires . . . . . . . . . . . . . . . . . . . . . . . . 10-49
Tire Sidewall Labeling . . . . . . 10-50
Tire Designations . . . . . . . . . . . 10-52
Tire Terminology andDefinitions . . . . . . . . . . . . . . . . 10-54
Tire Pressure . . . . . . . . . . . . . . . 10-56
Tire Pressure Monitor System . . . . . . . . . . . . . . . . . . . 10-58
Tire Pressure Monitor Operation . . . . . . . . . . . . . . . . . 10-59
Tire Inspection . . . . . . . . . . . . . . 10-62
Tire Rotation . . . . . . . . . . . . . . . 10-62
Dual Tire Rotation . . . . . . . . . . 10-64

Black plate (35,1)Chevrolet Express Owner Manual - 2012
Vehicle Care 10-35
Bulb Replacement
For the proper type of replacement
bulbs, seeReplacement Bulbs on
page 10‑40.
For any bulb‐changing procedure
not listed in this section, contact
your dealer.
Halogen Bulbs
{WARNING
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
Composite Headlamp
A. High‐Beam Headlamp
B. Low‐Beam Headlamp
To remove the headlamp assembly
from the vehicle and access the
bulbs:
1. Open the hood. See Hood on
page 10‑4 for more information.2. Remove the two bolts from the
headlamp assembly.
3. Lift the headlamp assembly to release the lower tabs from the
radiator support.
4. Turn the headlamp forward and upward to remove it from the
grille.

Black plate (36,1)Chevrolet Express Owner Manual - 2012
10-36 Vehicle Care
5. Disconnect the electricalconnector.
6. Turn the bulb counterclockwise one quarter turn to remove it
from the headlamp assembly.
7. Install the new bulb into the headlamp assembly and connect
the electrical connector.
8. Reverse the steps to reinstall the headlamp assembly. To prevent headlamp vibration
and shortened bulb life, be sure
to insert the headlamp assembly
tabs in the slots at the lower
portion of the housing.
Sealed‐Beam Headlamp
A. Headlamp retainer screws
B. Headlamp retainer
C. Sealed‐beam headlamp bulb
1. Remove the four screws (A)
from the headlamp retainer (B).
Pull the retainer (B) out and set
it aside. 2. Pull the bulb (C) forward to gain
access to the electrical
connector.
3. Disconnect the electrical
connector (B) and remove the
headlamp bulb (A).
4. Reverse Steps 1 through 3 to reinstall the headlamp.

Black plate (37,1)Chevrolet Express Owner Manual - 2012
Vehicle Care 10-37
Front Turn Signal,
Sidemarker, and
Parking Lamps
A. Front Parking and TurnSignal Lamp
B. Front Sidemarker Lamp To replace the front turn signal,
sidemarker, and/or parking lamp
bulb(s):
1. Use a small tool to unlatch the
outboard clip on the lamp by
pushing inboard and prying the
lamp assembly forward.
2. Remove the lamp from the grille.
3. Turn the bulb socket counterclockwise one quarter
turn and remove it from the
lamp assembly. 4. Remove the bulb from the
socket by pulling it straight out.
5. Replace the bulb.
6. Turn the bulb socket clockwise to reinstall it in the lamp
assembly.
7. Reinstall the lamp assembly into the grille until the outboard clip
snaps into place.

Black plate (38,1)Chevrolet Express Owner Manual - 2012
10-38 Vehicle Care
Taillamps
To replace a taillamp/turn signal
lamp or back‐up lamp bulb:
1. Remove the two inboard nutsfrom the inside of the taillamp
assembly.
2. The third nut (C) is under theapplique piece (B) above the
lamp. Remove the two inboard
applique nuts. Pull the
applique (B) straight rearward
slightly to clear the studs. Then
rotate the applique (B) just far
enough to gain access to the
outer push pins (A).
3. Carefully disconnect the push pins (A) from the applique
bracket
4. Remove the third nut (C) from the upper outboard side of
the lamp. 5. Remove the taillamp assembly
from the vehicle.
6. Remove the taillamp/turn signallamp (A) or back‐up lamp (B)
bulb socket by turning it
counterclockwise one quarter
turn and pulling it out of the lamp
assembly.
7. Remove the bulb by pulling it straight out.

Black plate (39,1)Chevrolet Express Owner Manual - 2012
Vehicle Care 10-39
8. Push the new bulb into thesocket.
9. Reinstall the bulb socket by turning it clockwise into the lamp
assembly.
10. Reverse Steps 1 through 5 to reinstall the taillamp assembly
and applique.Center High-Mounted
Stoplamp (CHMSL)
The Center High-Mounted Stoplamp
(CHMSL) is located above the rear
doors at the center of the vehicle.
To replace a bulb:
1. Remove the two screws from theCHMSL assembly.
2. Remove the CHMSL assembly. 3. Turn the bulb socket
counterclockwise one quarter
turn to remove it from the lamp
assembly.
4. Pull the old bulb straight out of the socket and push the new
bulb into the socket.
5. Turn the bulb socket clockwise one quarter turn to install it in the
lamp assembly.
6. Reinstall the CHMSL assembly and two screws.
Do not block or damage the CHMSL
when items are loaded on the roof
of the vehicle.

Black plate (40,1)Chevrolet Express Owner Manual - 2012
10-40 Vehicle Care
License Plate Lamp
To replace one of these bulbs:
A. Bulb Socket
B. License Plate Bulb Assembly
C. Screws
1. Remove the screws (C) thatsecure the license plate bulb
assembly (B).
2. Turn the bulb socket (A) counterclockwise and pull the
bulb straight out of the socket. 3. Install the new bulb.
4. Reverse steps 1 and 2 to
reinstall the license plate bulb
assembly.
Replacement Bulbs
Exterior Lamp Bulb
Number
Back-up,
Rear Parking,
Stoplamp, and
Turn Signal Lamp 3157KX
Center
High‐Mounted Stop
Lamp (CHMSL) 912LL
Front Parking and
Turn Signal Lamp 3157KX
Front
Sidemarker Lamp 194LL
License
Plate Lamp 194LLExterior Lamp
Bulb
Number
Headlamps
Composite
High-Beam
Headlamp 9005LL
Composite
Low-Beam
Headlamp 9006LL
Sealed Beam
Headlamp H6054
For replacement bulbs not listed
here, contact your dealer.