GMC 1997 Safari Owner's Manual page 340

Short TripKity Maintenance Schedule
42,000 Miles (70 000 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 readfront axle fluid level and add fluid
as needed. Check constant velocity joints and
axle seals for leaking. ( S e e 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 BY:
45,000 Miles (75 000 km)
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 readfront axle fluid level and add
fluid as needed. Check constant velocity
joints and axle seals for leaking.
(See footnote
**.)
0
For Two-Wheel-Drive vehicles only: Clean
and repack the front wheel bearings (or at
each brake relining, whichever occurs first).
Cl Change automatic transmission fluid and
filter if the vehicle is mainly driven under
one or more of these conditions:
7-16