2003 GMC SAVANA check oil

82,500 Miles (137 500 km)
❑Check rear/front axleuid level and adduid as
needed. Check constant velocity joints and axle seals
for leaking.
❑Rotate tires. SeeTire Inspection and Rotation on
page 5-58for proper rotation pattern and additional
information.(See footnote +.)
90,000 Miles (150 000 km)
❑Inspect engine air cleanerlter change indicator.
If necessary, replace thelter. If vehicle is driven in
dusty/dirty conditions, inspectlter change indicator at
every engine oil change. SeeEngine Air Cleaner/Filter
on page 5-17for more information.An Emission
Control Service. (See footnote†.)
❑Check rear/front axleuid level and adduid as
needed. Check constant velocity joints and axle seals
for leaking.
❑Clean and repack the front wheel bearings
(or at each brake relining, whichever occursrst.)❑Replace fuellter.An Emission Control Service.
(See footnote†.)
❑Vehicles With GVWR Above 10,000 lbs. 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.
❑Rotate tires. SeeTire Inspection and Rotation on
page 5-58for proper rotation pattern and additional
information.(See footnote +.)97,500 Miles (162 500 km)
❑Check rear/front axleuid level and adduid as
needed. Check constant velocity joints and axle seals
for leaking.
❑Rotate tires. SeeTire Inspection and Rotation on
page 5-58for proper rotation pattern and additional
information.(See footnote +.)
6-10
2003 - Savana OM

Part B: Owner Checks and Services
Listed in this part are owner checks and services
which should be performed at the intervals specied to
help ensure the safety, dependability and emission
control performance of your vehicle.
Be sure any necessary repairs are completed at once.
Whenever anyuids or lubricants are added to your
vehicle, make sure they are the proper ones, as shown
in Part D.
At the First 100, 1,000 and 6,000
Miles (160, 1 600 and 10 000km)
For vehicles with dual wheels, check dual wheel nut
torque. For proper torque, seeCapacities and
Specifications on page 5-97.
At Each Fuel Fill
It is important for you or a service station attendant to
perform these underhood checks at each fuelfill.
Engine Oil Level Check
Check the engine oil level and add the proper oil if
necessary. SeeEngine Oil on page 5-13for further
details.
Engine Coolant Level Check
Check the engine coolant level and add DEX-COOL®
coolant mixture if necessary. SeeEngine Coolant
on page 5-22for further details.
Windshield Washer Fluid Level Check
Check the windshield washeruid level in the windshield
washer tank and add the properuid if necessary.
SeeWindshield Washer Fluid on page 5-36for further
details.
At Least Once a Month
Tire Inflation Check
Make sure tires are inated to the correct pressures.
Don’t forget to check your spare tire. SeeTires on
page 5-56for further details.
Cassette Tape Player Service
Clean cassette tape player. Cleaning should be done
every 50 hours of tape play. SeeAudio System(s)
on page 3-41for further details.
6-12
2003 - Savana OM

Throttle System Inspection
Inspect the throttle 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
and cruise control cables.
Rear Axle Service
Check the gear lubricant level in the rear axle and
add if needed. SeeRear Axle on page 5-47.Auid loss
may indicate a problem. Check the axle and repair it
if needed.
Transfer Case and Front Axle
(All-Wheel Drive) Inspection
Every 12 months, or at engine oil change intervals,
check front axle and transfer case and add lubricant
when necessary. Auid loss could indicate a problem.
Check and have it repaired, if needed. Check vent
hose at transfer case for kinks and proper installation.
Brake System Inspection
Inspect the complete system. Inspect brake lines and
hoses for proper hook-up, binding, leaks, cracks,
chang, etc. Inspect disc brake pads for wear and
rotors for surface condition. Inspect other brake parts,
including calipers, parking brake, etc. Check parking
brake adjustment. You may need to have your brakes
inspected more often if your driving habits or conditions
result in frequent braking.
6-17
2003 - Savana OM

Capacities......................................................5-98
Capacities and Specifications............................5-97
Carbon Monoxide...........................4-24, 4-31, 2-30
Care of
Safety Belts................................................5-85
Your Cassette Tape Player............................3-74
Your CD Player...........................................3-76
Your CDs ...................................................3-76
Cargo Door Relocking....................................... 2-9
Cargo Vans and Cab and Chassis Models
with an Air Bag Off Switch............................1-48
Cargo Vans and Cab and Chassis Models
without an Air Bag Off Switch........................1-47
Cargo Vans with a Passenger Air Bag and
an Air Bag Off Switch, Passenger Vans and
Cab and Chassis Models..............................1-36
Cargo Vans with a Passenger Air Bag and
without an Air Bag Off Switch........................1-39
Cassette Tape Messages.................................3-57
Cassette Tape Player Service...........................6-12
CD Adapter Kits.............................................3-57
Center High Mounted Stoplamp
(CHMSL) ............................................3-14, 5-54
Center Passenger Position,
Safety Belts........................................1-23, 1-24
Chains, Tires..................................................5-65
Charging System Light....................................3-29Check
Engine Light...............................................3-33
Gages Warning Light...................................3-39
Check Engine Light.........................................3-33
Checking Brake Fluid......................................5-38
Checking Coolant............................................5-24
Checking Engine Oil........................................5-13
Checking Things Under the Hood....................... 5-9
Checking Your Restraint Systems......................1-75
Chemical Paint Spotting...................................5-88
Child Restraints
Child Restraint Systems...............................1-42
Infants and Young Children...........................1-36
Lower Anchorages and Top Tethers for
Children (LATCH System)..........................1-52
Older Children.............................................1-33
Securing a Child Restraint Designed for
the LATCH System...................................1-54
Securing a Child Restraint in a Center
Seat Position...................................1-56, 1-57
Securing a Child Restraint in a Rear
Outside Seat Position...............................1-54
Securing a Child Restraint in the Right
Front Seat Position...................................1-58
Top Strap...................................................1-49
Top Strap Anchor Location............................1-50
Where to Put the Restraint...........................1-45
3
2003 - Savana OM

Door (cont.)
Rear Door Security Locks.............................2-10
Rear Doors.................................................2-15
Sliding Side Door........................................2-11
Driver
Position, Safety Belt.....................................1-14
Driving
At Night.....................................................4-14
City ...........................................................4-19
Defensive..................................................... 4-2
Drunken....................................................... 4-3
Freeway.....................................................4-20
Hill and Mountain Roads..............................4-22
In Rain and on Wet Roads...........................4-16
Winter........................................................4-24
Driving On Grades..........................................4-44
Driving on Snow or Ice....................................4-24
Driving Through Deep Standing Water...............4-18
Driving Through Flowing Water.........................4-18
Driving with a Trailer.......................................4-42
Dual Stage Air Bags........................................1-68
Dual Tire Operation.........................................5-58E
Electrical System
Add-On Equipment......................................5-91
Fuses and Circuit Breakers...........................5-92
Headlamp Wiring.........................................5-91
Windshield Wiper Fuses...............................5-91
Electronic Road-Speed Governor.......................3-26
Emissions Inspection and
Maintenance Programs.................................3-36
Engine
Air Cleaner/Filter.........................................5-17
Battery.......................................................5-40
Change Engine Oil Light...............................3-37
Check and Service Engine Soon Light............3-33
Compartment Overview................................5-12
Coolant......................................................5-22
Coolant Heater............................................2-23
Coolant Temperature Gage...........................3-32
Cooling System Inspection............................6-16
Exhaust.....................................................2-30
Fan Noise..................................................5-34
Oil .............................................................5-13
Overheating................................................5-26
Starting......................................................2-22
5
2003 - Savana OM

Engine Compartment Fuse Block......................5-94
Engine Coolant Level Check.............................6-12
Engine Oil Additives........................................5-15
Engine Oil Level Check...................................6-12
Entry Lighting.................................................3-15
Exit Lighting...................................................3-15
Extender, Safety Belt.......................................1-32
Exterior Lamps...............................................3-12
F
Fabric/Carpet.................................................5-82
Filter
Engine Air Cleaner......................................5-17
Finding a PTY Station.............................3-52, 3-63
Finding a Station....................3-42, 3-45, 3-50, 3-61
Finish Care....................................................5-86
Finish Damage...............................................5-88
Fixed Mast Antenna........................................3-76
Flash-To-Pass Feature....................................... 3-7
Flat Tire........................................................5-65
Flat Tire, Changing.........................................5-66
Floor Console Fuse Block................................5-92
Fluid
Automatic Transmission................................5-19
Power Steering...........................................5-35
Windshield Washer......................................5-36FM ...............................................................3-74
Following Distance..........................................4-43
Footnotes........................................................ 6-5
Front Axle......................................................5-48
Fuel............................................................... 5-4
Additives...................................................... 5-6
California Fuel.............................................. 5-5
Filling a Portable Fuel Container..................... 5-9
Filling Your Tank........................................... 5-7
Fuels in Foreign Countries.............................. 5-6
Gage .........................................................3-40
Gasoline Octane........................................... 5-4
Gasoline Specifications.................................. 5-5
System Inspection.......................................6-16
Fuel Regulator................................................2-22
Fuses
Fuses and Circuit Breakers...........................5-92
Windshield Wiper.........................................5-91
G
Gage
Check Gages Warning Light..........................3-39
Engine Coolant Temperature.........................3-32
Fuel..........................................................3-40
Oil Pressure...............................................3-36
Speedometer..............................................3-25
Voltmeter Gage...........................................3-30
6
2003 - Savana OM

Gasoline
Octane........................................................ 5-4
Specifications............................................... 5-5
Glass Surfaces...............................................5-84
GM Mobility Program for Persons with
Disabilities.................................................... 7-5
H
Hazard Warning Flashers................................... 3-4
Headlamp High/Low Beam Changer.................... 3-7
Headlamp Wiring............................................5-91
Headlamps....................................................5-50
Bulb Replacement.......................................5-50
Front Turn Signal, Sidemarker and
Parking Lamps.........................................5-52
Halogen Bulbs............................................5-50
Highway Hypnosis...........................................4-22
Hill and Mountain Roads..................................4-22
Hitches..........................................................4-41
Hood
Checking Things Under.................................. 5-9
Release.....................................................5-10
Horn ............................................................... 3-5
How to Add Coolant to the Coolant
Recovery Tank............................................5-29How to Add Coolant to the Radiator..................5-31
How to Add Fluid............................................5-22
How to Check........................................5-19, 5-57
How to Check Lubricant...................................5-47
How to Check Power Steering Fluid..................5-35
How to Inspect the Engine Air Cleaner/Filter..........5-18
How to Reset the CHANGE ENGINE OIL Light......5-16
How to Use This Manual...................................... ii
How to Wear Safety Belts Properly...................1-14
Hydroplaning..................................................4-18
I
If No Steam Is Coming From Your Engine..........5-27
If Steam Is Coming From Your Engine...............5-26
If the Light Is Flashing.....................................3-34
If the Light Is On Steady.................................3-35
If You Are Stuck in Sand, Mud, Ice or Snow.......4-28
If You Do Decide To Pull A Trailer.....................4-32
If You’re Caught in a Blizzard...........................4-26
Ignition Positions.............................................2-21
Ignition Transmission Lock Check......................6-15
Infants and Young Children, Restraints...............1-36
Inflation–Tire Pressure...................................5-57
Inside Day/Night Rearview Mirror......................2-32
7
2003 - Savana OM

Inspection
Brake System.............................................6-17
Engine Cooling System................................6-16
Exhaust System..........................................6-16
Fuel System...............................................6-16
Part C - Periodic Maintenance.......................6-16
Steering and Suspension..............................6-16
Throttle System...........................................6-17
Transfer Case and Front Axle
(All-Wheel Drive)......................................6-17
Instrument Panel
Cluster.......................................................3-24
Overview..................................................... 3-2
Instrument Panel Brightness Control..................3-14
Interior Lamps................................................3-14
Interior Plastic Components..............................5-84
J
Jump Starting.................................................5-41
K
Key Lock Cylinders Service..............................6-13
Keyless Entry System....................................... 2-4
Keys............................................................... 2-2
L
Lamps
Exterior......................................................3-12
Interior.......................................................3-14
Lamps On Reminder.......................................3-13
Lap Belt........................................................1-24
Lap-Shoulder Belt...........................................1-14
LATCH System
Child Restraints...........................................1-52
Securing a Child Restraint Designed for
the LATCH System...................................1-54
Leather.........................................................5-84
Leaving Your Vehicle.......................................2-11
Leaving Your Vehicle With the
Engine Running..........................................2-28
Light
Air Bag Off .................................................3-28
Air Bag Readiness.......................................3-27
Anti-Lock Brake System Warning...................3-32
Brake System Warning.................................3-31
Change Engine Oil......................................3-37
Charging System.........................................3-29
Check Gages Warning.................................3-39
Cruise Control.............................................3-38
Daytime Running Lamps Indicator..................3-39
Low Coolant Warning...................................3-33
8
2003 - Savana OM