1996 Chevrolet Blazer Owner's Manual - Page 347

30,000 Miles (50 000 km) 0Check readfront axle fluid level and add fluid as needed. Check constant velocity joints and axle seals for leaking.** 0Rotate tires. See "Tire Inspection and Rotation" in the Index for proper rotation pattern and additional information. During tire rotation, check brake calipers for freedom of movement. Refer to the appropriate GM service manual for proper caliper service procedures. 0Change engine oil and filter (or ev - 12 months, whichever occurs first). An Emission Control Service. 0Lubricate 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). 0Check readfront axle fluid level and add fluid as needed. Check constant velocity joints and axle seals for leaking.** (Continued) DATE ACTUAL MILEAGE SERVICED B Y 7-35