oil change CHEVROLET EXPRESS 2004 User Guide

Scheduled Maintenance
Service MaintenanceIMaintenanceII
Change engine oil and lter. SeeEngine Oil on page 5-13. Reset oil
life system. SeeEngine Oil Life System on page 5-16.An Emission
Control Service.••
Lubricate chassis components.See footnote #.••
Visually check for any leaks or damage.See footnote (j).••
Inspect engine air cleaner lter or change indicator (if equipped). If necessary,
replace lter. SeeEngine Air Cleaner/Filter on page 5-17.An Emission Control
Service. See footnotes † and (l).•
Rotate tires and check ination pressures and wear. SeeTires on page 5-52.••
Inspect brake system.See footnote (a).••
Check engine coolant and windshield washer uid levels and add uid
as needed.••
Perform any needed additional services. See “Additional Required Services” in
this section.••
Inspect suspension and steering components.See footnote (b).•
Inspect engine cooling system.See footnote (c).•
Inspect wiper blades.See footnote (d).•
Inspect restraint system components.See footnote (e).•
Lubricate body components.See footnote (f).•
Check transmission uid level and add uid as needed.•
Inspect shields, vehicles with GVWR above 10,000 lbs (4 536 kg) only.See
footnote (g).•
Inspect throttle system.See footnote (m).•
6-5

(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

D
Daytime Running Lamps..................................3-14
Daytime Running Lamps Indicator Light.............3-37
Defensive Driving............................................. 4-2
Doing Your Own Service Work........................... 5-4
Dome Lamp Override......................................3-15
Dome Lamps.................................................3-15
Door
60/40 Swing-Out Side Door...........................2-12
Cargo Door Relocking.................................... 2-8
Locks.......................................................... 2-7
Power Door Locks......................................... 2-8
Rear Door Security Locks............................... 2-8
Rear Doors.................................................2-13
Sliding Side Door........................................2-10
Driver
Position, Safety Belt.....................................1-15
Driving
At Night.....................................................4-15
City...........................................................4-19
Defensive..................................................... 4-2
Drunken....................................................... 4-2
Freeway.....................................................4-20
Hill and Mountain Roads..............................4-22
In Rain and on Wet Roads...........................4-16
Rocking Your Vehicle to Get it Out.................4-28
Winter........................................................4-24
Dual Tire Operation.........................................5-59
E
Electrical System
Add-On Equipment......................................5-92
Engine Compartment Fuse Block...................5-94
Floor Console Fuse Block.............................5-93
Fuses and Circuit Breakers...........................5-92
Headlamp Wiring.........................................5-92
Windshield Wiper Fuses...............................5-92
Engine
Air Cleaner/Filter.........................................5-17
Battery.......................................................5-37
Change Engine Oil Light...............................3-35
Check and Service Engine Soon Light............3-32
Coolant......................................................5-22
Coolant Heater............................................2-21
Coolant Temperature Gage...........................3-31
Engine Compartment Overview......................5-12
Exhaust.....................................................2-27
Fan Noise..................................................5-32
Fuel Regulator............................................2-20
Oil .............................................................5-13
Overheating................................................5-24
Reduced Power Light...................................3-37
Speed Limiter.............................................3-24
Starting......................................................2-20
Entry Lighting.................................................3-16
Event Data Recorders (EDR)............................. 7-9
Exit Lighting...................................................3-16
4

Light (cont.)
Brake System Warning.................................3-29
Change Engine Oil......................................3-35
Charging System.........................................3-28
Check Gages Warning.................................3-38
Cruise Control.............................................3-36
Daytime Running Lamps Indicator..................3-37
Highbeam On.............................................3-37
Malfunction Indicator....................................3-32
Reduced Engine Power................................3-37
Safety Belt Reminder...................................3-25
Security.....................................................3-36
Stabilitrak
®Indicator.....................................3-31
Stabilitrak®Not Ready..................................3-30
Tow/Haul Mode...........................................3-38
Lighting
Entry.........................................................3-16
Exit...........................................................3-16
Locking Rear Axle............................................ 4-7
Lockout Protection............................................ 2-9
Locks
Cargo Door Relocking.................................... 2-8
Door........................................................... 2-7
Lockout Protection......................................... 2-9
Power Door.................................................. 2-8
Rear Door Security Locks............................... 2-8
Loss of Control...............................................4-14
M
Maintenance Schedule
Additional Required Services........................... 6-6
At Each Fuel Fill.........................................6-10
At Least Once a Month................................6-10
At Least Once a Year..................................6-11
At the First 100, 1,000 and 6,000 Miles
(160, 1 600 and 10 000km).......................6-10
Introduction.................................................. 6-2
Maintenance Footnotes.................................. 6-8
Maintenance Record....................................6-16
Maintenance Requirements............................. 6-2
Normal Maintenance Replacement Parts.........6-15
Owner Checks and Services.........................6-10
Recommended Fluids and Lubricants.............6-13
Scheduled Maintenance................................. 6-4
Using Your................................................... 6-3
Your Vehicle and the Environment................... 6-2
Malfunction Indicator Light................................3-32
Manual Seats................................................... 1-3
Manual Windows............................................2-15
Mirrors
Manual Rearview Mirror................................2-29
Outside Camper-Type Mirrors........................2-29
Outside Convex Mirror.................................2-30
Outside Heated Mirrors................................2-31
7

Mirrors (cont.)
Outside Manual Mirror..................................2-29
Outside Power Mirrors..................................2-30
MyGMLink.com................................................ 7-3
N
New Vehicle Break-In......................................2-18
Noise Control System, Tampering......................5-45
Normal Maintenance Replacement Parts............6-15
O
Odometer......................................................3-24
Odometer, Trip...............................................3-24
Off-Road Recovery..........................................4-12
Oil
Change Engine Oil Light...............................3-35
Engine.......................................................5-13
Pressure Gage............................................3-34
Older Children, Restraints................................1-31
Online Owner Center........................................ 7-3
OnStar
®System.............................................2-31
Other Warning Devices...................................... 3-6
Outlet Adjustment............................................3-20Outside
Camper-Type Mirrors....................................2-29
Convex Mirror.............................................2-30
Heated Mirrors............................................2-31
Manual Mirror.............................................2-29
Power Mirrors.............................................2-30
Owner Checks and Services.............................6-10
Owners, Canadian............................................... ii
P
Park (P)
Shifting Into................................................2-25
Shifting Out of............................................2-26
Parking
Brake........................................................2-24
Over Things That Burn.................................2-27
Passing.........................................................4-12
Passlock
®......................................................2-18
Power
Accessory Outlets........................................3-16
Door Locks.................................................. 2-8
Reduced Engine Light..................................3-37
Retained Accessory (RAP)............................2-19
Seat............................................................ 1-4
Steering Fluid.............................................5-32
Windows....................................................2-16
Pretensioners, Safety Belt................................1-30
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