mileage GMC SIERRA 1998 Owner's Manual

Long Trip/Highway Maintenance Schedule -- Gasoline Engines I
0 Vehicles With GVWR Above 8,500 lbs. Only: Inspect shields and underhood
insulation 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.
37,500 Miles (62 500 km)
c] Change engine oil and filter (or every 12 months, whichever occurs first).
0 Lubricate chassis components (or every 12 months, whichever occurs first).
Check readfront axle fluid level and add fluid as needed. Check constant
0 Rotate tires. See “Tire Inspection and Rotation” in the Index for proper
An Emission Control Service.
(See footnote #.)
velocity joints and axle seals for leaking. (See footnote **.)
rotation pattern and additional information. (See footnote +.)
45,000 Miles (75 000 km)
0 Change engine oil and filter (or every 12 months, whichever occurs first).
0 Lubricate chassis components (or every 12 months, whichever occurs first).
An Emission Control Service.
(See footnote #.) .
(Continued)
DATE I
MILEAGE
DATE MILEAGE
7-31
ProCarManuals.com

Long TriplHighway Maintenance Schedule -- -asoline Engines 1
45,000 Miles (75 000 km) (Continued)
0 Check readfront axle fluid level and add fluid as needed. Check constant
0 Vehicles With GVWR Above 8,500 lbs. Only: Inspect shields and underhood
velocity
joints and axle seals for leaking. (See footnote
:c*.)
insulation for damage or looseness. Adjust or replace as required.
This is a Noise Emission Control Service. Applicable only to \:elzicle.s
sold in the United States.
0 Rotate tires. See “Tire Inspection and Rotation” in the Index for proper
rotation pattern and additional information. (See footnote
+.)
50,000 Miles (83 000 km)
0 Change automatic transmission fluid and filter if the vehicle’s GVWR is over
8600 lbs. or if the vehicle is mainly driven under one or more of these conditions:
- In heavy city traffic where the outside temperature regularly reaches
MILEAGE
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 ?:out* vehicle under my of these conditions,
change the fluid nnd.filter at
100,000 miles (I 66 000 km).
Manual transmission fluid doesn’t require change.
7-32
ProCarManuals.com

Long Tripmighway Maintenance Schedule -- Gasoline Engines I
52,500 Miles (87 500 km)
0 Change engine oil and filter (or every 12 months, whichever occurs first).
0 Lubricate chassis components (or every 12 months, whichever occurs first).
0 Check readfront axle fluid level and add fluid as needed. Check constant
0 Rotate tires. See “Tire Inspection and Rotation” in the Index for proper
An Emissimz Control Service. MILEAGE
(See footnote #.)
velocity joints and axle seals for leaking. (See footnote **.)
rotation pattern and additional information. (See footnote +.)
60,000 Miles (100 000 km)
0 Change engine oil and filter (or every 12 months, whichever occurs first).
AH Emission Contmi Service.
0 Lubricate chassis components (or every 12 months, whichever occurs first).
0 Check readfront axle fluid level and add fluid as needed. Check constant
0 For Two-Wheel-Drive vehicles only: Clean and repack the front wheel
0 Rotate tires. See “Tire Inspection and Rotation” in the Index for proper
(See footnote
#.)
velocity
joints and axle seals for leaking. (See footnote :$*.)
bearings (or at each brake relining, whichever occurs first).
rotation pattern and additional information. (See footnote
+.)
(Continued)
I DATE I
SERVICED BY
7-33
ProCarManuals.com

Long Tripmighway Maintenance Schedule -- Gasoline Engines I
82,500 Miles (I37 500 km) DATE I
Change engine oil and filter (or evl_-,r I2 months, whichever occurs first).
An Emission Control Service.
Lubricate chassis components (or every 12 months, whichever occurs first).
(See footnote
#.)
Check rear/front axle fluid level and add fluid as needed. Check constant
velocity joints and axle seals for leaking. (See footnote
*4‘.)
Rotate tires. See “Tire Inspection and Rotation” in the Index for proper
rotation pattern and additional information. (See footnote
+.)
90,000 Miles (150 000 km)
0
0
0
Change engine oil and filter (or every 12 months, whichever occurs first).
An Emission Control Service.
Lubricate chassis components (or every 12 months, whichever occurs first).
(See footnote
#.)
Check redfront axle fluid level and add fluid as needed. Check constant
velocity joints and axle seals for leaking. (See footnote
**.)
For Two-Wheel-Drive vehicles only: Clean and repack the front wheel
bearings (or at each brake relining, whichever occurs first).
Replace fuel filter.
AI? Emissiorz Cnrztrol &r\Vice. (See footnote?.)
I MILEAGE ACTUAL I SERVICEDBY I
DATE I
7-36
ProCarManuals.com

Long Tripmighway Maintenance Schedule -- GasolineEngcI
0 Vehicles With GVWR Above 8,500 Ibs. Only: Inspect shields and underhood
insulation for damage or looseness. Adjust or replace
as required.
This is a Noise Ernissiorz Co?ztrol Service. Applicurble orzly to vehicles
sold in
the United States.
0 Rotate tires. See “Tire Inspection and Rotation” in the Index for proper
rotation pattern and additional information. (See footnote
+.)
97,500 Miles (162 500 km)
0 Change engine oil and filter (or every 12 months, whichever occurs first).
0 Lubricate chassis components (or every 12 months, whichever occurs first).
0 Check readfront axle fluid level and add fluid as needed. Check constant
0 Rotate tires. See “Tire lnspection and Rotation.’ in the Index for proper
An Emission Control Service.
(See footnote #.)
velocity joints and axle seals for leaking. (See footnote ‘%‘:’.)
rotation pattern and additional information. (See footnote +.)
DATE
MILEAGE
1 SERVICED BY: I
7-37
ProCarManuals.com

Long Tripmighway Maintenance Schedule -- Gasoline Engines I
100,000 Miles (166 000 km)
0
0
0 0
Inspect spark plug wires.
An E~nission Control Service.
Replace spark plugs.
An Emission Control Service.
Change automatic transmission fluid and filter if the vehicle’s GVWR is over
8600 lbs. or if the vehicle is mainly driven under one or more of these condi\
tions:
- In heavy city traffic where the outside temperature regularly reaches
- In hilly or mountainous terrain.
- When doing frequent trailer towing.
- Uses such as found in taxi, police or delivery service.
Manual transmission fluid doesn’t require change.
If you haven’t used your vehicle under severe service conditions listed
previously and, therefore, haven’t changed your automatic transmission fluid,
change both the fluid and filter.
Manual transmission fluid doesn’t require change.
Inspect Positive Crankcase Ventilation (Pcv) valve.
At7 Emission Control Service.
90°F (32°C) or higher.
DATE
MILEAGE I SERVICED B’
7-38
ProCarManuals.com

1 Long Tripmighway Maintenance Schedule -- Gasoline Engines
150,000 Miles (240 000 km) DATE
Drain, flush and refill cooling system (or every 60 months since last service,
Inspect hoses. Clean radiator, condenser, pressure cap
and neck. Pressure test
the cooling system and pressure cap.
An Emissim Control Sc~l-~?ic.r.
whichever occurs first). See "Engine Coolant" in the Index for what to use. MILEAGE
7-39
ProCarManuals.com

For prompt assistance, please have the following information
available to give
the Customer Assistance Representative:
Your name, address, home and business
telephone numbers
0 Vehicle Identification Number (This is available
from the vehicle registration or title, or the plate at
the top
left of the instrument panel and visible
through the windshield.)
0 Dealership name and location
Vehicle delivery date and present mileage
0 Nature of concern
We encourage you to call
us so we can give your inquiry
prompt attention. However,
if you wish to write GMC,
address your inquiry to:
GMC Customer Assistance
3 1 E. Judson Street 1607-04
Pontiac, MI 48342-2230
In Canada, write to:
General Motors of Canada Limited
Customer Comlnunication Centre,
163-005
1908 Colonel Sam Drive
Oshawa, Ontario
L 1 H 8P7 Refer to your
Wmanty and Owner Assistance Information
booklet for addresses
of GM Overseas off'ices.
When contacting GMC, please remember that your concern
will likely be resolved in the dealership, using the dealer's
facilities, equipment and personnel. That is why we suggest
you follow Step One
first if you have a concern.
Customer Assistance for Text
Telephone (TTY) Users
To assist customers who are deaf, hard of hearing,
or speech-impaired and who use Text Telephones
(TTYs), GMC has TTY equipment available
at
its Customer Assistance Center. Any TTY
user can communicate with GMC by dialing:
1 -800-GMC-8583. (TTY users in Canada can
dial 1-800-263-3830.)
8-4
ProCarManuals.com

Del~m? Trip Routing: Custom-made, computerized
maps using the most direct or scenic route are provided
free
of charge. Maps include points of interest and list
GMC dealers along the route. Trip Routing also includes
a national hotel discount book and a book
of coupons.
State and local maps available upon request. Please
be prepared to furnish your Vehicle Identification
Number
(VIN).
Trip InterrLtption Assistonce: GMC will reimburse any
reasonable trip interruption expenses (up to $500.00)
when directly associated with warranty disablement. Trip
Interruption service covers expenses such as meals and
overnight lodging
if vehicle disablement occurs at least
150 miles (240 km) from your home or rental property.
Please Note: you will be required to obtain prior
approval from GMC Roadside Assistance and pay for
expenses at the time
of disablement. Original receipts
should be submitted to GMC Roadside Assistance for
reimbursement. A service representative will provide
assistance when you call. The Roadside Assistance services listed are available
to
retail and retail lease customers operating
1998 GMC
light duty trucks for a period of 3 years/36,000 miles
(60 000 km). All services must be pre-arranged by
GMC Roadside Assistance.
Over-the-phone assistance, such as providing the name
of the closest dealer or minor technical advice, etc., is
available to all owner/operators
of GMC trucks,
regardless
of vehicle or mileage.
ProCarManuals.com

Just dial GMC Roadside Assistance at
1 -800-GMC-8782 (1 -800-462-8782, Roadside
Assistance prompt) to reach a qualified representative
who can assist
you.
Your Roadside Assistance representative will ask for the
following information when your call is received:
Vehicle Identification Number (VIN)
Name and home address
Telephone number and location from which YOLI
Location, license plate number and color of your
Mileage of vehicle and description of problem
are
calling
GMC truck
Roadside Assistance is available
23 hours a day, 7 days
a week, 365 days a year, including weekends and
holidays. Should you have any questions about roadside
assistance, call the GMC Roadside Assistance Center or
contact your dealer.
Canadian Roadside Assistance
Vehicles purchased in Canada have an extensive
Roadside Assistance program accessible from anywhere
in Canada or the United States. Please refer to the
separate brochure provided by the dealer
or call
1-800-268-6800 for emergency services.
a-7
ProCarManuals.com