GMC 1998 Savana Van Owner's Manual page 342

Long Tripmighway Maintenance Schedule
--
Gasoline Engines
I
30,000 Miles (50 000 km) (Continued)
0
Replace fuel filter.
An Emission Control Service. (See footnote?.)
0
Replace air cleaner filter.
An Emission Control Service,.
U
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 Emission Control Service. Applicable only to vehicles sold in the
United States.
37,500 Miles (62 500 km)
0
Change engine oil and filter (or every 12 months, whichever occurs first).
An Emission Control Service.
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 +.)
(See footnote
#.)
I
DATE
I
SERVICED BY:
7-30