trailer CHEVROLET EXPRESS 2003 Owner's Guide

Fuse Usage
38 Powertrain Control Module Ignition 1
39 Oxygen Sensor B
40 Oxygen Sensor A
41 Windshield Wipers
42 Right Headlamp - Low Beam
43 Left Headlamp - Low Beam
44 Left Headlamp - High Beam
45 Right Headlamp - High Beam
46Truck Body Control
Module-Accessory
47 Front Windshield Wiper
48 Anti-Lock Brakes
49 Ignition A
50 Trailer
51 Climate Control Blower
52 Ignition B
63 Spare
64 SpareFuse Usage
Relays Usage
53 Windshield Wiper
54 Air Conditioning
55 Spare
56 Headlamp - High Beam
57 Fuel Pump
58 Headlamp - Low Beam
59 Horn
61 Starter
62 Spare
Circuit Breaker Usage
60 Power Seat
5-96

(g)Vehicles with GVWR above 10,000 lbs (4 536 kg)
only: Inspect shields for damage or looseness. Adjust or
replace as required. This is a Noise Emission Control
Service. Applicable only to vehicles sold in the
United States.
(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 5-22for 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.
(l)If you drive regularly under dusty conditions, inspect
the lter at each engine oil change.
(m)Check system for interference or binding and for
damaged or missing parts. Replace parts as needed.
Replace any components that have high effort or
excessive wear. Do not lubricate accelerator or cruise
control cables.
6-9

Signals, Turn and Lane-Change.......................... 3-8
Sliding Side Door............................................2-10
Spare Tire.....................................................5-82
Installing....................................................5-72
Removing...................................................5-69
Storing.......................................................5-80
Specications, Capacities.................................5-97
Speedometer..................................................3-24
Stabilitrak
®System........................................... 4-8
Stabilitrak®Indicator Light.................................3-31
Stabilitrak®Not Ready Light..............................3-30
Starting Your Engine.......................................2-20
Steering........................................................4-10
Steering Wheel, Tilt Wheel................................. 3-6
Storage Areas................................................2-32
Stuck in Sand, Mud, Ice or Snow......................4-28
Sun Visors.....................................................2-17
Swing-Out Side Door, 60/40.............................2-12
Swing-Out Windows........................................2-17
T
Taillamps.......................................................5-49
Theft-Deterrent, Radio.....................................3-71
Theft-Deterrent Systems...................................2-18
Passlock
®...................................................2-18
Tilt Wheel........................................................ 3-6Tires.............................................................5-52
Aluminum Wheels, Cleaning..........................5-88
Buying New Tires........................................5-62
Chains.......................................................5-66
Changing a Flat Tire....................................5-68
Cleaning....................................................5-88
Dual Tire Operation.....................................5-59
If a Tire Goes Flat.......................................5-67
Ination -- Tire Pressure...............................5-58
Inspection and Rotation................................5-60
Installing the Spare Tire................................5-72
Removing the Flat Tire.................................5-72
Removing the Spare Tire and Tools...............5-69
Secondary Latch System..............................5-77
Spare Tire..................................................5-82
Storing a Flat or Spare Tire and Tools............5-80
Tire Sidewall Labelling..................................5-53
Tire Terminology and Denitions....................5-56
Uniform Tire Quality Grading.........................5-63
Wheel Alignment and Tire Balance.................5-64
Wheel Replacement.....................................5-65
When It Is Time for New Tires......................5-62
Top Strap......................................................1-46
Top Strap Anchor Location...............................1-47
Tow/Haul Mode Light.......................................3-38
Towing
Recreational Vehicle.....................................4-34
Towing a Trailer..........................................4-34
Your Vehicle...............................................4-34
11