2003 GMC SAFARI oil change
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93,000 Miles (155 000 km)
❑Change engine oil and lter (or every 3 months,
whichever occurs rst).An Emission Control Service.
❑Lubricate chassis components (or every 3 months,
whichever occurs rst).(See footnote #.)
❑Check rear/front axle uid level and add uid as
needed. Check constant velocity joints and axle seals
for leaking.
96,000 Miles (160 000 km)
❑Change engine oil and lter (or every 3 months,
whichever occurs rst).An Emission Control Service.
❑Lubricate chassis components (or every 3 months,
whichever occurs rst).(See footnote #.)
❑Check rear/front axle uid level and add uid 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 +.)
99,000 Miles (165 000 km)
❑Change engine oil and lter (or every 3 months,
whichever occurs rst).An Emission Control Service.
❑Lubricate chassis components (or every 3 months,
whichever occurs rst).(See footnote #.)
❑Check rear/front axle uid level and add uid as
needed. Check constant velocity joints and axle seals
for leaking.
100,000 Miles (166 000 km)
❑Inspect spark plug wires.An Emission Control
Service.
❑Replace spark plugs.An Emission Control Service.
❑If you haven’t used your vehicle under severe service
conditions listed previously and, therefore, haven’t
changed your automatic transmission uid, change
both the uid and lter.
❑Change transfer case uid.
❑Inspect Positive Crankcase Ventilation (PCV) valve.
An Emission Control Service.
150,000 Miles (240 000 km)
❑Drain, ush and re ll cooling system (or every
60 months since last service, whichever occurs rst).
SeeEngine Coolant on page 5-25for what to use.
Inspect hoses. Clean radiator, condenser, pressure
cap and neck. Pressure test cooling system and
pressure cap.An Emission Control Service.
❑Inspect engine accessory drive belt.An Emission
Control Service.
6-18
2003 - Safari OM
Page 325 of 376
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 and lter (or every 12 months,
whichever occurs rst).An Emission Control
Service.
❑Lubricate chassis components (or every 12 months,
whichever occurs rst).(See footnote #).
❑Check rear/front axle uid level and add uid 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
Page 326 of 376
15,000 Miles (25 000 km)
❑Change engine oil and lter (or every 12 months,
whichever occurs rst).An Emission Control Service.
❑Lubricate chassis components (or every 12 months,
whichever occurs rst).(See footnote #).
❑Inspect engine air cleaner lter. SeeEngine Air
Cleaner/Filter on page 5-21for more information.An
Emission Control Service. (See footnote†.)
❑Check rear/front axle uid level and add uid as
needed. Check constant velocity joints and axle seals
for leaking.
❑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.
If you do not use your vehicle under any of these
conditions, change thefluid andfilter every 50,000 miles
(83 000 km).
❑Rotate tires. SeeTire Inspection and Rotation on
page 5-58for proper rotation pattern and additional
information.(See footnote +).
22,500 Miles (37 500 km)
❑Change engine oil and lter (or every 12 months,
whichever occurs rst).An Emission Control
Service.
❑Lubricate chassis components (or every 12 months,
whichever occurs rst).(See footnote #).
❑Check rear/front axle uid level and add uid 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 +).
30,000 Miles (50 000 km)
❑Change engine oil and lter (or every 12 months,
whichever occurs rst).An Emission Control
Service.
❑Lubricate chassis components (or every 12 months,
whichever occurs rst).(See footnote #).
❑Check rear/front axle uid level and add uid as
needed. Check constant velocity joints and axle seals
for leaking.
❑For Two-Wheel-Drive vehicles only: Clean and
repack the front wheel bearings (or at each
brake relining, whichever occurs rst).
❑Change automatic transmission uid and lter if the
vehicle is mainly driven under one or more of these
conditions:
6-20
2003 - Safari OM
Page 327 of 376
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.
If you do not use your vehicle under any of these
conditions, change thefluid andfilter every 50,000 miles
(83 000 km).
❑Rotate tires. SeeTire Inspection and Rotation on
page 5-58for proper rotation pattern and additional
information.(See footnote +).
❑Replace fuel lter.An Emission Control Service. (See
footnote†).
❑Replace engine air cleaner lter. SeeEngine Air
Cleaner/Filter on page 5-21for more information.
An Emission Control Service.37,500 Miles (62 500 km)
❑Change engine oil and lter (or every 12 months,
whichever occurs rst).An Emission Control
Service.
❑Lubricate chassis components (or every 12 months,
whichever occurs rst).(See footnote #).
❑Check rear/front axle uid level and add uid 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 +).
6-21
2003 - Safari OM
Page 328 of 376
45,000 Miles (75 000 km)
❑Change engine oil and lter (or every 12 months,
whichever occurs rst).An Emission Control
Service.
❑Lubricate chassis components (or every 12 months,
whichever occurs rst).(See footnote #).
❑Inspect engine air cleaner lter. SeeEngine Air
Cleaner/Filter on page 5-21for more information.An
Emission Control Service. (See footnote†.)
❑Check rear/front axle uid level and add uid as
needed. Check constant velocity joints and axle seals
for leaking.
❑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.If you do not use your vehicle under any of these
conditions, change thefluid andfilter every 50,000 miles
(83 000 km).
❑Rotate tires. SeeTire Inspection and Rotation on
page 5-58for proper rotation pattern and additional
information.(See footnote +).
50,000 Miles (83 000 km)
❑If you haven’t used your vehicle under severe
conditions listed previously and, therefore, haven’t
changed your automatic transmission uid, change
both the uid and lter.
❑Change transfer case uid.
52,500 Miles (87 500 km)
❑Change engine oil and lter (or every 12 months,
whichever occurs rst).An Emission Control
Service.
❑Lubricate chassis components (or every 12 months,
whichever occurs rst).(See footnote #).
❑Check rear/front axle uid level and add uid 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 +).
6-22
2003 - Safari OM
Page 329 of 376
60,000 Miles (100 000 km)
❑Change engine oil and lter (or every 12 months,
whichever occurs rst).An Emission Control
Service.
❑Lubricate chassis components (or every 12 months,
whichever occurs rst).(See footnote #).
❑Check rear/front axle uid level and add uid as
needed. Check constant velocity joints and axle seals
for leaking.
❑For Two-Wheel-Drive vehicles only: Clean and
repack the front wheel bearings (or at each
brake relining, whichever occurs rst).
❑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.If you do not use your vehicle under any of these
conditions, change thefluid andfilter every
50,000 miles (83 000 km).
❑Rotate tires. SeeTire Inspection and Rotation on
page 5-58for proper rotation pattern and additional
information.(See footnote +).
❑Replace fuel lter.An Emission Control Service. (See
footnote†).
❑Replace engine air cleaner lter. SeeEngine Air
Cleaner/Filter on page 5-21for more information.
An Emission Control Service.
67,500 Miles (112 500 km)
❑Change engine oil and lter (or every 12 months,
whichever occurs rst).An Emission Control
Service.
❑Lubricate chassis components (or every 12 months,
whichever occurs rst).(See footnote #).
❑Check rear/front axle uid level and add uid 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 +).
6-23
2003 - Safari OM
Page 330 of 376
75,000 Miles (125 000 km)
❑Change engine oil and lter (or every 12 months,
whichever occurs rst).An Emission Control
Service.
❑Lubricate chassis components (or every 12 months,
whichever occurs rst).(See footnote #).
❑Inspect engine air cleaner lter. SeeEngine Air
Cleaner/Filter on page 5-21for more information.An
Emission Control Service. (See footnote†.)
❑Check rear/front axle uid level and add uid as
needed. Check constant velocity joints and axle seals
for leaking.
❑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.If you do not use your vehicle under any of these
conditions, change thefluid andfilter every 50,000 miles
(83 000 km).
❑Rotate tires. SeeTire Inspection and Rotation on
page 5-58for proper rotation pattern and additional
information.(See footnote +).
82,500 Miles (137 500 km)
❑Change engine oil and lter (or every 12 months,
whichever occurs rst).An Emission Control
Service.
❑Lubricate chassis components (or every 12 months,
whichever occurs rst).(See footnote #).
❑Check rear/front axle uid level and add uid 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 +).
6-24
2003 - Safari OM
Page 331 of 376
90,000 Miles (150 000 km)
❑Change engine oil and lter (or every 12 months,
whichever occurs rst).An Emission Control
Service.
❑Lubricate chassis components (or every 12 months,
whichever occurs rst).(See footnote #).
❑Check rear/front axle uid level and add uid as
needed. Check constant velocity joints and axle seals
for leaking.
❑For Two-Wheel-Drive vehicles only: Clean and
repack the front wheel bearings (or at each
brake relining, whichever occurs rst).
❑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.If you do not use your vehicle under any of these
conditions, change thefluid andfilter every
50,000 miles (83 000 km).
❑Replace fuel lter.An Emission Control Service. (See
footnote†).
❑Replace engine air cleaner lter. SeeEngine Air
Cleaner/Filter on page 5-21for more information.
An Emission Control Service.
❑Rotate tires. SeeTire Inspection and Rotation on
page 5-58for proper rotation pattern and additional
information.(See footnote +).
97,500 Miles (162 500 km)
❑Change engine oil and lter (or every 12 months,
whichever occurs rst).An Emission Control
Service.
❑Lubricate chassis components (or every 12 months,
whichever occurs rst).(See footnote #).
❑Check rear/front axle uid level and add uid 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 +).
6-25
2003 - Safari OM