GMC 1998 Savana Van Owner's Manual page 348

Long TrWHighway Maintenance Schedule
--
Gasoline Engines
I
90,000 Miles ;O
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 (1 66 000 km)
Inspect spark plug wires.
0
Replace spark plugs.
An Emission Control Service.
An Emission Control Service.
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DATE
I
7-36