GMC 1997 Savana Van Owner's Manual page 340

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).
(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
+.)
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).
(See footnote
#.)
0
Check axle fluid level and add fluid as
needed. (See footnote **.)
An Emission Control Service.
DATE ACTUAL MILEAGE SERVICED BY:
7-36