2003 CHEVROLET SUBURBAN air filter

50,000 Miles (83 000 km)
qChange automatic transmission ¯uid and ®lter if the
vehicle's GVWR is over 8600 lbs or if the vehicle is
mainly driven under one or more of these conditions:
þ In heavy city traffic where the outside
temperature regularly reaches 90ÉF (32ÉC)
or higher.
þ In hilly or mountainous terrain.
þ When doing frequent trailer towing.
þ Uses such as found in taxi, police or delivery
service.
If you do not use your vehicle under any of these
conditions, change the ¯uid and ®lter at 100,000 miles
(166 000 km).
qChange transfer case ¯uid.
52,500 Miles (87 500 km)
qCheck rear/front axle ¯uid level and add ¯uid as
needed. Check constant velocity joints and axle seals
for leaking.
qRotate tires. See
Tire Inspection and Rotation on
page 5-69for proper rotation pattern and additional
information.(See footnote +.)
60,000 Miles (100 000 km)
qCheck rear/front axle ¯uid level and add ¯uid as
needed. Check constant velocity joints and axle seals
for leaking.
qRotate tires. See
Tire Inspection and Rotation on
page 5-69for proper rotation pattern and additional
information.(See footnote +.)
qReplace fuel ®lter.An Emission Control Service.
(See footnote ².)
qReplace engine air cleaner ®lter on vehicles without
a restriction indicator. If equipped with a change
indicator, inspect the indicator. If necessary, replace
the ®lter. If vehicle is driven in dusty/dirty conditions,
inspect the change indicator (if equipped) at every
engine oil change. See
Engine Air Cleaner/Filter on
page 5-23for more information.An Emission
Control Service. (See footnote ².)
qInspect Evaporative Control 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.
An Emission Control Service. (See footnote ².)
6-8

67,500 Miles (112 500 km)
qCheck rear/front axle ¯uid level and add ¯uid as
needed. Check constant velocity joints and axle seals
for leaking.
qRotate tires. See
Tire Inspection and Rotation on
page 5-69for proper rotation pattern and additional
information.(See footnote +.)
75,000 Miles (125 000 km)
qInspect engine air cleaner ®lter or change indicator
(if equipped). If necessary, replace the ®lter. If vehicle
is driven in dusty/dirty conditions, inspect ®lter or
change indicator (if equipped) at every engine oil
change. See
Engine Air Cleaner/Filter on page 5-23for more information.An Emission Control Service.
(See footnote ².)
qCheck rear/front axle ¯uid level and add ¯uid as
needed. Check constant velocity joints and axle seals
for leaking.
qRotate tires. See
Tire Inspection and Rotation on
page 5-69for proper rotation pattern and additional
information.(See footnote +.)
82,500 Miles (137 500 km)
qCheck rear/front axle ¯uid level and add ¯uid as
needed. Check constant velocity joints and axle seals
for leaking.
qRotate tires. See
Tire Inspection and Rotation on
page 5-69for proper rotation pattern and additional
information.(See footnote +.)
90,000 Miles (150 000 km)
qCheck rear/front axle ¯uid level and add ¯uid as
needed. Check constant velocity joints and axle seals
for leaking.
qReplace fuel ®lter.
An Emission Control Service.
(See footnote ².)
qReplace engine air cleaner ®lter on vehicles without
a restriction indicator. If equipped with a change
indicator, inspect the indicator. If necessary, replace
the ®lter. If vehicle is driven in dusty/dirty conditions,
inspect the change indicator (if equipped) at every
engine oil change. See
Engine Air Cleaner/Filter on
page 5-23for more information.An Emission
Control Service. (See footnote ².)
qRotate tires. SeeTire Inspection and Rotation on
page 5-69for proper rotation pattern and additional
information.(See footnote +.)
6-9

A
Accessory Power Outlets.................................3-19
Adding Washer Fluid.......................................5-44
Additional Program Information........................... 7-9
Additives, Fuel................................................. 5-6
Add-On Electrical Equipment...........................5-108
Adjustable Throttle and Brake Pedal..................2-24
Adjusting the Speakers (Balance/Fade).....3-75, 3-79,
3-90, 3-104
After Off-Road Driving.....................................4-40
Air Bag Systems.....................................1-73, 1-80
Adding Equipment to Your Air Bag-Equipped
Vehicle...................................................1-88
How Does an Air Bag Restrain?....................1-80
Passenger Sensing System...........................1-83
Servicing Your Air Bag-Equipped Vehicle.........1-87
What Makes an Air Bag In¯ate?....................1-80
What Will You See After an Air Bag In¯ates?......1-81
When Should an Air Bag In¯ate?...................1-79
Where Are the Air Bags?..............................1-76
Air Bag .........................................................3-39
Passenger Status Indicator...........................3-39
Readiness Light..........................................3-39
Air Cleaner/Filter, Engine.................................5-23
Air Conditioning..............................................3-28
All-Wheel Drive with Stabilitrak
ž........................2-34All-Wheel Drive...............................................5-55
AM-FM Radio.................................................3-73
AM .............................................................3-127
Antenna, Fixed Mast......................................3-129
Antenna, XMŸ Satellite Radio
Antenna System........................................3-129
Anti-Lock Brake, System Warning Light..............3-44
Anti-lock Brake System..................................... 4-7
Appearance Care............................................5-99
Care of Safety Belts...................................5-102
Chemical Paint Spotting..............................5-105
Cleaning the Inside of Your Vehicle................5-99
Cleaning the Outside of Your Vehicle............5-102
Finish Damage..........................................5-104
Sheet Metal Damage..................................5-104
Underbody Maintenance.............................5-105
Vehicle Care/Appearance Materials...............5-105
Weatherstrips............................................5-102
Approaching a Hill..........................................4-30
Ashtrays........................................................3-20
Audio Output................................................3-121
Audio System(s).............................................3-72
AM-FM Radio.............................................3-73
Audio Steering Wheel Controls....................3-126
Care of Your Cassette Tape Player...............3-127
Care of Your CD and DVD Player................3-129
1

Driving in Mud, Sand, Snow or Ice....................4-38
Driving in Water..............................................4-39
Driving On Grades..........................................4-75
Driving on Off-Road Hills.................................4-30
Driving on Snow or Ice....................................4-52
Driving Through Deep Standing Water...............4-44
Driving Through Flowing Water.........................4-44
Driving Uphill..................................................4-31
Driving with a Trailer.......................................4-73
Driving..........................................................4-40
At Night.....................................................4-40
City...........................................................4-45
Defensive..................................................... 4-2
Drunken....................................................... 4-2
Freeway.....................................................4-46
Hill and Mountain Roads..............................4-49
In Rain and on Wet Roads...........................4-42
Winter........................................................4-51
Dual Automatic Climate Control System.............3-25
Dual Climate Control System............................3-21
DVD Player..................................................3-114
DVD ............................................................3-129
Cleaning the Video Screen..........................3-129
Distortion..................................................3-126
Rear Seat Entertainment System..................3-114E
Easy Exit Seat...............................................2-67
Electrical System...........................................5-108
Add-On Equipment.....................................5-108
Fuses and Circuit Breakers.........................5-109
Power Windows and Other Power Options....5-108
Windshield Wiper Fuses.............................5-108
Electrochromic Mirror Operation................2-46, 2-49
Emissions Inspection and
Maintenance Programs.................................3-50
ENGINE COOLANT HOT.................................3-66
Engine Coolant Level Check.............................6-11
Engine Hour Meter Display...............................3-38
Engine Oil Additives........................................5-21
Engine Oil and Chassis Lubrication Scheduled
Maintenance................................................. 6-5
Engine Oil Level Check...................................6-11
ENGINE OVERHEATED..................................3-66
Engine..........................................................5-23
Air Cleaner/Filter.........................................5-23
Battery.......................................................5-48
Check and Service Engine Soon Light............3-47
Compartment Overview................................5-14
Coolant Heater............................................2-24
6

Engine (cont.)
Coolant Temperature Gage...........................3-45
Coolant......................................................5-29
Cooling System Inspection............................6-17
Exhaust.....................................................2-43
Fan Noise..................................................5-42
Oil .............................................................5-18
Overheating................................................5-33
Starting......................................................2-23
Entering or Exiting the Third Row Seats.............. 1-9
Entertainment System....................................3-129
Cleaning the Video Screen..........................3-129
DVD Distortion..........................................3-126
Entry Lighting.................................................3-17
Environmental Concerns..................................4-27
Erasing HomeLink
žButtons..............................2-60
Exit Lighting...................................................3-17
Express-Down Windows...................................2-17
Extender, Safety Belt.......................................1-46
Exterior Lamps...............................................3-14
F
Filter.............................................................5-23
Engine Air Cleaner......................................5-23
Finding a PTY Station
(RDS and XMŸ).......................3-80, 3-91, 3-104Finding a Station..................3-74, 3-78, 3-89, 3-102
Finish Care..................................................5-103
Finish Damage.............................................5-104
Fixed Mast Antenna.......................................3-129
Flash-To-Pass.................................................. 3-8
Flat Tire, Changing.........................................5-77
Flat Tire........................................................5-76
Fluid.............................................................5-26
Automatic Transmission................................5-26
Power Steering...........................................5-43
Windshield Washer......................................5-44
FM Stereo....................................................3-127
Fog Lamps....................................................3-16
Folding the Seatback.......................................1-16
Folding the Seatbacks.....................1-10, 1-12, 1-21
Following Distance..........................................4-74
Footnotes........................................................ 6-5
Four-Wheel Drive....................................2-29, 5-57
Four-Wheel-Drive Light....................................3-51
Front Axle Locking Feature...............................2-30
Front Axle......................................................5-58
Front Reading Lamps......................................3-18
Front Storage Area.........................................2-61
Frontal Air Bags.............................................1-79
Fuel Information Button....................................3-57
FUEL LEVEL LOW.........................................3-67
7