GMC 1997 Savana Van Owner's Manual page 314

Short TripKity Maintenance Schedule
--
Gasoline Engines
9,000 Miles (15 000 km)
0
Change engine oil and filter (or every
3 months, whichever occurs first).
An Emission Control Service.
0
Lubricate chassis components (or every
3 months, whichever occurs first).
(See footnote
#.)
needed.
(See
footnote **.)
0
Check axle fluid level and add fluid as
DATE ACTUAL MILEAGE
12,000 Miles (20 000 km)
0
Change engine oil and filter (or every
3 months, whichever occurs first).
An Emission Control Service.
0
Lubricate chassis components (or every
3 months, whichever occurs first).
(See footnote #.)
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
+.)
DATE ACTUAL MILEAGE SERVICED B Y
7-10