2003 GMC SAFARI parking brake

Long Trip/Highway Scheduled
Maintenance
The services shown in this schedule up to
100,000 miles (166 000 km) should be repeated after
100,000 miles (166 000 km) at the same intervals for the
life of this vehicle. The services shown at 150,000 miles
(240 000 km) should be repeated at the same interval
after 150,000 miles (240 000 km) for the life of this
vehicle.
SeePart B: Owner Checks and Services on page 6-27
andPart C: Periodic Maintenance Inspections on
page 6-32.
Footnotes
†The U.S. Environmental Protection Agency or the
California Air Resources Board has determined that the
failure to perform this maintenance item will not nullify
the emission warranty or limit recall liability prior to
the completion of the vehicle’s useful life. We, however,
urge that all recommended maintenance services be
performed at the indicated intervals and the
maintenance be record.#Lubricate the front suspension, ball joints and kingpin
bushings, steering linkage and transfer case shift
linkage, parking brake cable guides and brake pedal
springs.
+A good time to check your brakes is during tire
rotation. See Brake System Inspection on page 6-33.
7,500 Miles (12 500 km)
❑Change engine oil andlter (or every 12 months,
whichever occursrst).An Emission Control
Service.
❑Lubricate chassis components (or every 12 months,
whichever occursrst).(See footnote #).
❑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 +).
6-19
2003 - Safari OM

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.
6-29
2003 - Safari OM

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.
6-30
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.
6-31
2003 - Safari 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.
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.
6-33
2003 - Safari OM

Part D: Recommended Fluids and
Lubricants
Fluids and lubricants identied below by name, part
number or specication may be obtained from your
dealer.
Usage Fluid/Lubricant
Engine OilEngine oil with the American
Petroleum Institute Certied for
Gasoline Engines starburst symbol
of the proper viscosity. To
determine the preferred viscosity for
your vehicle’s engine, seeEngine
Oil on page 5-13.
Engine Coolant50/50 mixture of clean, drinkable
water and use only
DEX-COOL
®Coolant. SeeEngine
Coolant on page 5-25.
Hydraulic Brake
SystemDelco Supreme 11 Brake Fluid or
equivalent DOT-3 brakeuid.
Windshield
Washer SolventGM Optikleen
®Washer Solvent or
equivalent.
Usage Fluid/Lubricant
Parking Brake
Cable GuidesChassis Lubricant (GM Part No.
U.S. 12377985, in Canada
88901242, or equivalent) or
lubricant meeting requirements of
NLGI #2, Category LB or GC-LB.
Power Steering
SystemGM Power Steering Fluid (GM Part
No. U.S. 1052884, in Canada
993294, or equivalent).
Automatic
TransmissionDEXRON
®-III Automatic
Transmission Fluid.
Key Lock
CylindersMulti-Purpose Lubricant, Superlube
(GM Part No. U.S. 12346241, in
Canada 10953474, or equivalent).
Chassis
LubricationChassis Lubricant (GM Part No.
U.S. 12377985, in Canada
88901242, or equivalent) or
lubricant meeting requirements of
NLGI #2, Category LB or GC-LB.
Front Wheel
BearingsWheel bearing lubricant meeting
requirements of NLGI #2, Category
GC or GC-LB (GM Part No. U.S.
1051344, in Canada 993037, or
equivalent).
6-34
2003 - Safari OM

Audio System(s) (cont.)
Theft-Deterrent Feature................................3-46
Understanding Radio Reception.....................3-49
Automatic Headlamp System............................3-13
Automatic Transmission
Fluid..........................................................5-22
Operation...................................................2-23
Automatic Transmission Check..........................6-28
Automatic Transmission Shift Lock Control
System Check.............................................6-30
B
Backing Up....................................................4-38
Battery..........................................................5-42
Battery Replacement......................................... 2-6
Battery Run-Down Protection............................3-16
Before Leaving on a Long Trip.........................4-20
Bench Seat............................................1-11, 1-57
Body Lubrication Service..................................6-29
Brake
Parking......................................................2-26
System Inspection.......................................6-33
System Warning Light..................................3-28
Brake Adjustment............................................5-42
Brake Fluid....................................................5-39
Brake Pedal Travel.........................................5-42
Brake Wear...................................................5-41
Brakes..........................................................5-39Braking........................................................... 4-6
Braking in Emergencies..................................... 4-8
Break-In, New Vehicle.....................................2-18
Bucket Seats, Rear.........................................1-12
Bulb Replacement...........................................5-50
Front Turn Signal Lamps..............................5-54
Halogen Bulbs............................................5-50
Headlamps.................................................5-51
Replacement Bulbs......................................5-56
Taillamps....................................................5-54
Buying New Tires...........................................5-60C
California Fuel.................................................. 5-5
Canada........................................................... 7-4
Canadian Owners................................................ ii
Canadian Roadside Assistance........................... 7-7
Canceling the Sliding Door Security Lock...........2-12
Capacities and Specifications............................5-92
Carbon Monoxide...........................4-24, 4-31, 2-30
Care of
Safety Belts................................................5-79
Your CD Player...........................................3-49
Your CDs ...................................................3-49
Cargo Vans...........................................1-41, 1-48
Center Passenger Position, Safety Belts.............1-27
Chains, Tires..................................................5-64
Charging System Light....................................3-27
2
2003 - Safari OM

O
Odometer......................................................3-25
Off-Road Recovery..........................................4-11
Oil
Engine.......................................................5-13
Pressure Gage............................................3-33
Older Children, Restraints................................1-35
Online Owner Center........................................ 7-3
Operation Tips................................................3-22
Other Warning Devices...................................... 3-5
Outlet Adjustment............................................3-22
Outside
Convex Mirror.............................................2-33
Manual Mirrors............................................2-32
Power Mirrors.............................................2-32
Overhead Console..........................................2-39
Owners, Canadian............................................... ii
Owner’s Information........................................7-11
P
Park (P)
Shifting Out of............................................2-29
Parking
Brake........................................................2-26
Over Things That Burn.................................2-30
Parking Brake and Automatic Transmission Park
(P) Mechanism Check..................................6-31Parking on Hills..............................................4-39
Park(P)
Shifting Into................................................2-27
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
Passing.................................................4-11, 4-38
Passlock
®......................................................2-18
Payload.........................................................4-31
Plan Ahead When Possible................................ 7-7
Playing a Compact Disc...................................3-42
Playing the Radio
...................................3-38, 3-40
Power
Accessory Outlets
........................................3-16
Door Locks
.................................................. 2-8
Electrical System
.........................................5-85
Seat
............................................................ 1-3
Steering Fluid
.............................................5-36
Windows
....................................................2-17
Power Steering
................................................ 4-9
Programmable Automatic Door Locks
.................. 2-9
Programming the HomeLink Transmitter
.............2-34
Q
Questions and Answers About Safety Belts
.........1-17
10
2003 - Safari OM