1995 GMC Sonoma Owner's Manual - Page 304

Maintenance Schedule I 51,000 Miles (85 000 km) 0 Change engine oil and filter (or every 3 months, whichever occurs first). An Ernission 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 rearjfront axle fluid level and add fluid as needed. Check constant velocity joints and axle seals for leaking.'':4: DATE ACTUAL MILEAGE SERVICED BY: 54,000 Miles (90 000 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.:'::': 0 Rotate tires. See "Tire Inspection and Rotation" in the Index for proper rotation pattern and additional information. 7 - 16