1996 GMC Safari Owner's Manual - Page 334

Long Tripmighway Maintenance Schedule 45,000 Miles (75000 km) (Continued) - 52,500 Miles (87 500 km) 0Change engine oil and filter (or every 12 months, whichever occurs first). An Emission Control Service. In hilly or mountainous terrain. - When doing frequent trailer towing. - Uses such as found in taxi, police or delivery service. I f you do not useyour vehicle under any of these conditions, change thefluid and filter every 30,000 miles (50 000 km). 0Lubricate chassis components; see footnote## (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. ** Rotate 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 appropriateGM service manual for proper caliper service procedures. DATE ACTUAL MILEAGE SERVICED B Y 7-34