1995 GMC Sonoma Owner's Manual - Page 306

I Schedule Maintenance (Continued) I I 0 Inspect spark plug wires. An Emission Control Service. Replace fuel filter. An Emission Control Service. 0 Replace air cleanerfilter. Replace filter more often under dusty conditions. An Emission Control Service. I7 Inspect fuel tank, cap and lines for damage orleaks. Inspect fuel cap gasket for any damage. Replace parts as needed. An Emission Control Service. -f DATE ACTUAL MILEAGE SERVICED B Y 63,000 Miles (105 000 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 redfront axle fluid level and add fluid as needed. Check constant velocity joints and axle seals for leaking.:k'l: 7- 18