GMC 1996 Sonoma Owner's Manual page 336

Long Tripmighway Maintenance Schedule
rn
90,000 Miles
(150
000 km) (Continued)
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.
An Emission Control Service.?
An Emission Control Service.
DATE SERVICED B Y ACTUAL MILEAGE
97,500 Miles (162 500 km)
0
Change engine oil and filter (or every
12 months, whichever occurs first).
An Ellzission Control 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 12 months,
whichever occurs first).
0
Check readfront axle fluid level and add
fluid as needed. Check constant velocity
joints and axle seals for leaking?
7-44