Chevrolet 1998 Express Van Owner's Manual page 347

Long Trip/Highway Maintenance Schedule
--
Gasoline Engines
90,000 Miles (150 000 km) (Continued)
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.
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 axle fluid level and add fluid as needed. (See footnote
**.)
0
Rotate tires. See "Tire Inspection and Rotation" in the Index for proper
rotation pattern and additional information. (See footnote
+.)
An Emission Control Service.
(See footnote #.)
100,000 Miles (166 000 km)
0
Inspect spark plug wires.
An Emission Control Service.
17
Replace spark plugs.
An
Emission Control Service.
DATE
I
+
MILEAGE
ACTUAL SERVICED BY:
I
DATE
I
MILEAGE
7-36