check engine GMC SAFARI 2003 Repair Manual

At Least Once a Year
Key Lock Cylinders Service
Lubricate the key lock cylinders with the lubricant
specied in Part D.
Body Lubrication Service
Lubricate all body door hinges, the body hood, fuel door
and rear compartment hinges, latches and locks
including interior glove box and console doors, hood
latch assembly, secondary latch, pivots, spring anchor,
release pawl and any moving seat hardware. Lubricate
the hood safety lever pivot and prop rod pivot. Part
D tells you what to use. More frequent lubrication may
be required when exposed to a corrosive environment.
Starter Switch Check
{CAUTION:
When you are doing this check, the vehicle
could move suddenly. If it does, you or others
could be injured. Follow the steps below.
1. Before you start, be sure you have enough room
around the vehicle.
2. Firmly apply both the parking brake and the regular
brake. SeeParking Brake on page 2-26if
necessary.
Do not use the accelerator pedal, and be ready to
turn off the engine immediately if it starts.
3. Try to start the engine in each gear. The starter
should work only in PARK (P) or NEUTRAL (N).
If the starter works in any other position, your
vehicle needs service.
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Automatic Transmission Shift Lock
Control System Check
{CAUTION:
When you are doing this check, the vehicle
could move suddenly. If it does, you or others
could be injured. Follow the steps below.
1. Before you start, be sure you have enough room
around the vehicle. It should be parked on a level
surface.
2. Firmly apply the parking brake. SeeParking Brake
on page 2-26if necessary.
Be ready to apply the regular brake immediately if
the vehicle begins to move.3. With the engine off, turn the key to the RUN
position, but don’t start the engine. Without applying
the regular brake, try to move the shift lever out
of PARK (P) with normal effort. If the shift lever
moves out of PARK (P), your vehicle needs service.
Ignition Transmission Lock Check
While parked, and with the parking brake set, try to turn
the ignition key to LOCK in each shift lever position.
The key should turn to LOCK only when the
shift lever is in PARK (P).
The key should come out only in LOCK.
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2003 - Safari OM

Parking Brake and Automatic
Transmission Park (P) Mechanism
Check
{CAUTION:
When you are doing this check, your vehicle
could begin to move. You or others could be
injured and property could be damaged. Make
sure there is room in front of your vehicle in
case it begins to roll. Be ready to apply the
regular brake at once should the vehicle begin
to move.Park on a fairly steep hill, with the vehicle facing
downhill. Keeping your foot on the regular brake, set the
parking brake.
To check the parking brake’s holding ability: With
the engine running and transmission in NEUTRAL
(N), slowly remove foot pressure from the regular
brake pedal. Do this until the vehicle is held by the
parking brake only.
To check the PARK (P) mechanism’s holding
ability: With the engine running, shift to PARK (P).
Then release the parking brake followed by the
regular brake.
Underbody Flushing Service
At least every spring, use plain water toush any
corrosive materials from the underbody. Take care to
clean thoroughly any areas where mud and other debris
can collect.
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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.
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.
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Check
Engine Light...............................................3-30
Gages Warning Light...................................3-35
Checking Brake Fluid......................................5-40
Checking Coolant............................................5-26
Checking Engine Oil........................................5-13
Checking Things Under the Hood
....................... 5-9
Checking Your Restraint Systems
......................1-68
Chemical Paint Spotting
...................................5-82
Child Restraints
Child Restraint Systems
...............................1-44
Infants and Young Children
...........................1-38
Lower Anchorages and Top Tethers for
Children (LATCH System)
..........................1-52
Older Children
.............................................1-35
Securing a Child Restraint Designed for the
LATCH System
........................................1-54
Securing a Child Restraint in a Center Seat
Position
..................................................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
...................................................1-48
Top Strap Anchor Location
............................1-50
Where to Put the Restraint
...........................1-47
Cigarette Lighter
.............................................3-17Cleaning
Inside of Your Vehicle..................................5-77
Outside of Your Vehicle................................5-79
Underbody Maintenance...............................5-82
Weatherstrips..............................................5-79
Cleaning Aluminum Wheels..............................5-81
Cleaning Exterior Lamps/Lenses.......................5-80
Cleaning Fabric/Carpet....................................5-77
Cleaning Glass Surfaces..................................5-78
Cleaning Interior Plastic Components.................5-78
Cleaning Leather............................................5-78
Cleaning the Top of the Instrument Panel...........5-78
Cleaning the Windshield and Wiper Blades.........5-81
Cleaning Tires................................................5-81
Cleaning Vinyl................................................5-78
Climate Control System...................................3-18
Rear ..........................................................3-21
Rear Air Conditioning System........................3-20
Rear Heating System...................................3-19
Compact Disc Messages..................................3-44
Compact Spare Tire........................................5-75
Composite Headlamps.....................................5-51
Control of a Vehicle.......................................... 4-5
Convenience Net............................................2-45
Coolant
Engine Temperature Gage............................3-29
Heater, Engine............................................2-21
Cooling System..............................................5-30
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E
Electrical System
Add-On Equipment......................................5-85
Fuses and Circuit Breakers...........................5-86
Headlamp Wiring.........................................5-85
Power Windows and Other Power Options......5-85
Windshield Wiper Fuses...............................5-85
Emissions Inspection and
Maintenance Programs.................................3-32
Engine
Air Cleaner/Filter.........................................5-21
Battery.......................................................5-42
Check and Service Engine Soon Light............3-30
Compartment Overview................................5-12
Coolant......................................................5-25
Coolant Heater............................................2-21
Coolant Temperature Gage...........................3-29
Cooling System Inspection............................6-32
Cover........................................................5-17
Exhaust.....................................................2-30
Fan Noise..................................................5-36
Oil .............................................................5-13
Overheating................................................5-28
Starting......................................................2-20
Engine Coolant Level Check.............................6-27
Engine Oil Additives........................................5-16
Engine Oil Level Check...................................6-27Entry Lighting.................................................3-15
Erasing HomeLink
®Buttons..............................2-37
Except Cargo Vans.................................1-38, 1-47
Exit Lighting...................................................3-15
Express-Down Window....................................2-17
Extender, Safety Belt.......................................1-34
Exterior Lamps...............................................3-12
F
Filter
Engine Air Cleaner......................................5-21
Finding a Station....................................3-38, 3-41
Finish Care....................................................5-80
Finish Damage...............................................5-82
Fixed Mast Antenna........................................3-49
Flash-to-Pass................................................... 3-7
Flat Tire........................................................5-64
Flat Tire, Changing.........................................5-65
Fluid
Automatic Transmission................................5-22
Power Steering...........................................5-36
Windshield Washer
......................................5-37
FM
...............................................................3-49
Following Distance
..........................................4-37
Front Axle
......................................................5-49
Front Doors
..................................................... 2-8
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Fuel............................................................... 5-4
Additives...................................................... 5-6
California Fuel.............................................. 5-5
Filling a Portable Fuel Container..................... 5-9
Filling Your Tank........................................... 5-6
Fuels in Foreign Countries.............................. 5-6
Gage .........................................................3-36
Gasoline Octane........................................... 5-4
Gasoline Specifications.................................. 5-5
Low Warning Light.......................................3-36
System Inspection.......................................6-32
Fuel Regulator................................................2-21
Fuses
Fuses and Circuit Breakers...........................5-86
Windshield Wiper.........................................5-85
G
Gage
Check Gages Warning Light..........................3-35
Engine Coolant Temperature.........................3-29
Fuel..........................................................3-36
Oil Pressure...............................................3-33
Speedometer..............................................3-25
Voltmeter Gage...........................................3-27
Garage Door Opener.......................................2-33Gasoline
Octane........................................................ 5-4
Specifications............................................... 5-5
Gate Operator and Canadian Programming........2-36
GM Mobility Program for Persons with
Disabilities.................................................... 7-5
H
Hatch Release................................................2-15
Hazard Warning Flashers................................... 3-4
Head Restraints............................................... 1-5
Headlamp High/Low-Beam Changer.................... 3-7
Headlamp Wiring............................................5-85
Headlamps....................................................5-51
Bulb Replacement.......................................5-50
Front Turn Signal Lamps..............................5-54
Halogen Bulbs............................................5-50
Highway Hypnosis...........................................4-21
Hill and Mountain Roads..................................4-22
Hitches..........................................................4-35
HomeLink Transmitter, Programming..................2-34
HomeLink
®Transmitter....................................2-33
Hood
Checking Things Under.................................. 5-9
Release.....................................................5-10
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2003 - Safari OM

Horn ............................................................... 3-5
How to Add Coolant to the Coolant
Recovery Tank............................................5-31
How to Add Coolant to the Radiator..................5-33
How to Add Fluid............................................5-25
How to Check........................................5-23, 5-58
How to Check Lubricant...................................5-49
How to Check Power Steering Fluid..................5-37
How to Inspect the Engine Air Cleaner/Filter.......5-22
How to Use This Manual...................................... ii
How to Wear Safety Belts Properly...................1-18
Hydroplaning..................................................4-17
I
If No Steam Is Coming From Your Engine..........5-29
If Steam Is Coming From Your Engine...............5-28
If the Light Is Flashing.....................................3-31
If the Light Is On Steady.................................3-31
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.............................................2-19
Ignition Transmission Lock Check......................6-30Infants and Young Children, Restraints...............1-38
Inflation -- Tire Pressure..................................5-58
Inspection
Brake System.............................................6-33
Engine Cooling System................................6-32
Exhaust System..........................................6-32
Fuel System...............................................6-32
Part C - Periodic Maintenance.......................6-32
Steering, Suspension and Front Drive Axle
Boot and Seal.........................................6-32
Throttle System...........................................6-33
Transfer Case and Front Axle
(All-Wheel Drive)......................................6-33
Installing a Garage Door Opener.......................2-40
Instrument Panel
Cluster.......................................................3-24
Overview..................................................... 3-2
Instrument Panel Brightness Control..................3-15
Instrument Panel Fuse Block............................5-86
Interior Lamps................................................3-15
J
Jump Starting.................................................5-43
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K
Key Lock Cylinders Service..............................6-29
Keyless Entry System....................................... 2-4
Keys............................................................... 2-2
L
Lamps
Exterior......................................................3-12
Interior.......................................................3-15
Lamps On Reminder.......................................3-13
Lap Belt........................................................1-27
Lap-Shoulder Belt...................................1-19, 1-29
LATCH System
Child Restraints...........................................1-52
Securing a Child Restraint Designed for the
LATCH System........................................1-54
Latches, Seatback............................................ 1-6
Leaving Your Vehicle.......................................2-10
Leaving Your Vehicle With the Engine
Running.....................................................2-28
Light
Air Bag Readiness.......................................3-26
Anti-Lock Brake System Warning...................3-29
Brake System Warning.................................3-28Light (cont.)
Charging System.........................................3-27
Check Gages Warning.................................3-35
Low Fuel Warning.......................................3-36
Malfunction Indicator....................................3-30
Safety Belt Reminder
...................................3-25
Security
.....................................................3-34
Service All-Wheel-Drive
................................3-34
Tow/Haul Mode
...........................................3-35
Loading Your Vehicle
.......................................4-29
Locking Rear Axle
............................................ 4-8
Locks
Door
........................................................... 2-7
Front Doors
.................................................. 2-8
Leaving Your Vehicle
....................................2-10
Power Door
.................................................. 2-8
Programmable Automatic Door Locks
............... 2-9
Long Trip/Highway Definition
.............................. 6-6
Long Trip/Highway Intervals
............................... 6-6
Long Trip/Highway Scheduled Maintenance
........6-19
Loss of Control
...............................................4-13
Low Fuel Warning Light
...................................3-36
Luggage Carrier
..............................................2-45
Lumbar
Manual Controls
............................................ 1-3
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M
Maintenance, Normal Replacement Parts............5-94
Maintenance Schedule
At Each Fuel Fill.........................................6-27
At Least Once a Month................................6-27
At Least Once a Year..................................6-29
At Least Twice a Year..................................6-28
Brake System Inspection..............................6-33
Engine Cooling System Inspection.................6-32
Exhaust System Inspection...........................6-32
Fuel System Inspection................................6-32
How This Section is Organized....................... 6-3
Introduction.................................................. 6-2
Long Trip/Highway Scheduled Maintenance.....6-19
Maintenance Requirements............................. 6-2
Part A - Scheduled Maintenance Services......... 6-4
Part B - Owner Checks and Services.............6-27
Part C - Periodic Maintenance Inspections......6-32
PartD-Recommended Fluids and
Lubricants
...............................................6-34
PartE-Maintenance Record
........................6-36
Selecting the Right Schedule
.......................... 6-5
Short Trip/City Scheduled Maintenance
............. 6-7
Steering, Suspension and Front Drive Axle
Boot and Seal Inspection
..........................6-32
Throttle System Inspection
............................6-33Maintenance Schedule (cont.)
Transfer Case and Front Axle (All-Wheel
Drive) Inspection......................................6-33
Using Your................................................... 6-4
Your Vehicle and the Environment................... 6-2
Maintenance When Trailer Towing.....................4-40
Making Turns.................................................4-38
Malfunction Indicator Light................................3-30
Manual Lumbar Controls.................................... 1-3
Manual Seats................................................... 1-2
Manual Windows............................................2-17
Matching Transmitter(s) to Your Vehicle............... 2-5
Mexico, Central America and Caribbean
Islands/Countries (Except Puerto Rico
and U.S. Virgin Islands)................................. 7-5
Mirrors
Manual Rearview Mirror................................2-32
Outside Convex Mirror.................................2-33
Outside Manual Mirrors................................2-32
Outside Power Mirrors..................................2-32
Model Reference................................................ vi
MyGMLink.com................................................ 7-3
N
New Vehicle Break-In......................................2-18
Normal Maintenance Replacement Parts............5-94
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2003 - Safari OM