2002 CHEVROLET C3500 HD bulb

2-31 Turn and Lane Change Signals
The turn signal has two upward (for right) and two
downward (for left) positions. These positions allow you
to signal a turn or a lane change.
To signal a turn, move the lever all the way up or down.
When the turn is finished, the lever will return
automatically.
An arrow located on the
instrument panel cluster will
flash in the direction of the
turn or lane change.
To signal a lane change, just raise or lower the lever
until the arrow starts to flash. Hold it there until you
complete your lane change. The lever will return by
itself when you release it.If you move the lever all the way up or down, and the
arrow flashes at twice the normal rate, a signal bulb
may be burned out and other drivers may not see your
turn signal.
If a bulb is burned out, replace it to help avoid an
accident. If the arrows don't go on at all when you
signal a turn, check for burned
-out bulbs and a blown
fuse. See ªFuses and Circuit Breakersº in the Index.
Headlamp High/Low-Beam Changer
To change the headlamps from low to high beam or high
to low beam, pull the multifunction lever all the way
toward you. Then release it.
When the high beams are
on, this light located on the
instrument panel cluster
also will be on.

4-35 Passing
You'll need more passing distance up ahead when
you're towing a trailer. And, because you're a good
deal longer, you'll need to go much farther beyond
the passed vehicle before you can return to your lane.
Backing Up
Hold the bottom of the steering wheel with one hand.
Then, to move the trailer to the left, just 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. Your vehicle could be damaged.
Avoid making very sharp turns while trailering.
When you're turning with a trailer, make wider
turns than normal. Do this so your trailer won't
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 your instrument panel will flash whenever
you signal a turn or lane change. Properly hooked up,
the trailer lamps will also flash, telling other drivers
you're about to turn, change lanes or stop.
When towing a trailer, the arrows on your instrument
panel will flash for turns even if the bulbs on the trailer
are burned out. Thus, you may think drivers behind you
are seeing your signal when they are not. It's important
to check occasionally to be sure the trailer bulbs are
still working.

6-
6-1
Section 6 Service and Appearance Care
Here you will find information about the care of your vehicle. This section begins with service and fuel information,
and then it shows how to check important fluid and lubricant levels. There is also technical information about your
vehicle, and a part devoted to its appearance care.
6
-2 Service
6
-3 Fuel (Gasoline Engine)
6
-5 Fuels in Foreign Countries (Gasoline Engines)
6
-5 Filling Your Tank (Gasoline Engine)
6
-7 Filling a Portable Fuel Container
6
-7 Checking Things Under the Hood
6
-10 Noise Control System
6
-11 Engine Oil (Gasoline Engine)
6
-15 Engine Air Cleaner/Filter (Gasoline Engines)
6
-17 Automatic Transmission Fluid
6
-20 Manual Transmission Fluid
6
-22 Hydraulic Clutch
6
-23 Rear Axle
6
-24 Engine Coolant
6
-27 Radiator Pressure Cap (Gasoline Engine)
6
-28 Power Steering Fluid6
-29 Windshield Washer Fluid
6
-30 Brakes
6
-34 Battery
6
-35 Bulb Replacement
6
-39 Windshield Wiper Blade Replacement
6
-40 Tires
6
-50 Appearance Care
6
-51 Cleaning the Inside of Your Vehicle
6
-54 Cleaning the Outside of Your Vehicle
6
-58 GM Vehicle Care/Appearance Materials
6
-59 Vehicle Identification Number (VIN)
6
-60 Electrical System
6
-66 Replacement Bulbs
6
-66 Capacities and Specifications
6
-68 Normal Maintenance Replacement Parts

6-35 Vehicle Storage
If you're not going to drive your vehicle for 25 days
or more, remove the black, negative (
-) cable from
the battery. This will help keep your battery from
running down.
CAUTION:
Batteries have acid that can burn you and gas
that can explode. You can be badly hurt if you
aren't careful. See ªJump Startingº in the Index
for tips on working around a battery without
getting hurt.
Contact your dealer to learn how to prepare your vehicle
for longer storage periods.
Bulb Replacement
For any bulb changing procedure not listed in this
section, contact your dealer. See ªReplacement Bulbsº
in the Index for the proper types of bulbs to use.
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.

6-37 Front Parking/Turn Signal Lamps
(Sealed-Beam Headlamps)
1. Remove the screws at
the inside edge of the
parking/turn signal
lamp assembly.
2. Remove the lamp assembly by swinging it out from
the inside edge and sliding it out at the outside edge.
3. Squeeze the tab on the side of the lamp socket while
turning the socket counterclockwise.
4. Pull the socket out of the
lamp assembly.
5. Push in gently on the bulb, turn it counterclockwise
and remove it from the socket.
6. Put the new bulb into the socket, gently press in on
the bulb and turn it clockwise until it is tight.
7. Put the socket back into the lamp assembly and turn
it clockwise until it locks.
8. Put the parking/turn signal lamp assembly back into
the vehicle and tighten the screws.

6-38 Roof Marker Lamps
1. Remove the screws and lift off the lens.
2. Pull the bulb straight out of the socket.
3. Put a new bulb into the socket and push it in until
it is tight.
4. Reinstall the lens and tighten the screws.
Taillamps
1. Using your hands, peel the rubber seal away from
the lens.
2. Lift the lens off the
lamp assembly.3. Slide the socket out of the lamp assembly.
4. Push in gently on
the bulb, turn it
counterclockwise
and remove it from
the socket.
5. Put in a new bulb and, pushing in gently, turn it
clockwise until it is tight.
6. Put the socket back in the lamp assembly and
reinstall the lens and lens seal.

6-66
Replacement Bulbs
Lamps Quantity Number
Sealed Beam Headlamps 2 H6054
Front Marker Lamp 2 194
Front Parking and Turn Lamp 4 2357NA
Rear Parking Lamp 2 3057
Rear Stop and Turn Lamp 2 3057
Back
-up Lamp2 3156
Roof Marker Lamps 5 194
For any bulb not listed here, contact your dealer.
Capacities and Specifications
All capacities are approximate. When adding, be sure
to fill to the appropriate level or as recommended in
this manual.
Please refer to ªRecommended Fluids and Lubricantsº
in the Index for more information.
Engine TypeVIN
CodeSpark Plug
Gap
ªVORTECº 8100 V8 G 0.060 inches
(1.52 mm)
Wheels and Tires
Model Description Torque
Front 5 bolts (5/8 in.)
175 lb
-ft (240 N´m)
Rear 10 bolts (5/8 in.)
175 lb
-ft (240 N´m)
Tire Pressure See the Certification/Tire label on the
rear edge of the driver's door or the
incomplete vehicle document in the cab.