1995 GMC Sonoma Owner's Manual - Page 310

Maintenance ScheduleI 84,000 Miles (140 000 km) 0 change engine oil and filter (or every 3 months, whichever occurs first). An Emission 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 (or every 6 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* 87,000 Miles (145 000 km) 0 Change engine oil and filter (or every 3 months, whichever occurs first). An Emission ControlService. 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 (or every 6 months, whichever occurs first). 0 Check readfront axlefluid level and add fluid as needed. Check constant velocity joints and axle seals for leaking.** DATE MILEAGE ACTUAL SERVICED BY: 7-22