GMC 1996 Sonoma Owner's Manual page 305

I
Short TripKity Maintenance Schedule
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30,000 Miles (50 000 km)
0
Change engine oil and filter (or every
3 months, whichever occurs first).
An Emission Cor.ztrol Service.
0
Lubricate the front suspension, ball joints,
steering linkage and transfer case shift
linkage, parking brake cable guides,
propshaft splines, universal joints, brake
pedal springs and clutch pedal springs at
every oil change (or every 3 months,
whichever occurs first).
0
Check readfront axle fluid level and add
fluid as needed. Check constant velocity
joints and axle seals for leaking.+''k
0
For Two-Wheel-Drive vehicles only: Clean
and repack the front wheel bearings (or at
each brake relining, whichever occurs first).
Replace fuel filter.
0
Replace air cleaner filter.
0
Rotate tires. See "Tire Inspection and
Rotation" in the Index for proper rotation
pattern and additional information.
An Enlission Control Service.?
An Emission Control Service.
DATE ACTUAL MILEAGE SERVICED
BY:
7-13