1998 GMC SIERRA gas mileage

1 Long Trip/Highway Maintenance Schedule -- Gasoline Engines 1
7,500 Miles (12 500 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).
Check rear/front 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 'k'l'.)
rotation pattern and additional information. (See footnote +.)
15,000 Miles (25 000 km)
Change engine oil and filter (or every 12 months, whichever occurs first).
0 Lubricate chassis components (or every 12 months, whichever occurs first).
An Efni.ssior.1 Contr-ol Service.
(See footnote #.)
DATE
I MILEAGE ACTUAL I SERVICEDBY I
I DATE I
MILEAGE SERVICED BY
17 Check rear/front 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
insulation for damage or looseness. Adjust or replace
as required.
This is n Noise Emissinr1 Contml Service. Applicable nnl~ to vehic1e.s
sold in the Uilited Stc1te.v.
0 Rotate tires. See "Tire Inspection and Rotation" in the Index for proper
rotation pattern and additional information. (See footnote
+.)
7-29
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Long Trip/Highway Maintenance Schedule -- Gasoline Engines I
22,500 Miles (37 500 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
(3 Rotate tires. See “Tire Inspection and Rotation” in the Index for proper
MILEAGE An Emission Control Service.
(See footnote #.)
velocity joints and axle seals for leaking. (See footnote **.)
rotation pattern and additional information. (See footnote +.)
30,000 Miles (50 000 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).
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
0 Replace fuel filter.
An Emission Control Service.
(See footnote #.)
velocity joints and axle seals for leaking. (See footnote *‘k.)
bearings (or at each brake relining, whichever occurs first).
rotation pat.tern and additional information. (See footnote
+.)
An Emission Control Service. (See footnote?.)
DATE I
7-30
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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
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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
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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
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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
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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
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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
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