1998 GMC Envoy Owner's Manual - Page 318

Short TripKity Maintenance Schedule The services shown in this schedule up to 100,000 miles ( 166 000 km) should be performed after 100,000 miles ( 166 000 km) at the same intervals. The services shown at 150,000 miles (240 000 k m ) should be performed at the same interval after 150,000 miles (240 000 ktn). See "Owner Checksand Services" and "Periodic Maintenance Inspections" following. I + A ~ o o time to check your brakes is during tire d rotation. See "Brake System Inspection" under "Periodic Maintenance Inspections" i n Part C of this schedule. Drive axle service (see "Recommended Fluids and Lubricants" in the Index for proper lubricant to use): -,-*,- .:..:, Footnotes 7 The U.S. Environmental Protection Agency or the California Air Resources Board has determined that the failure to perform this maintenance item will not nullify the emission warranty or limit recall liability prior to the life. completion of the vehicle's ~1sefu1 We, however. urge that all recommended maintenance services be performed at the indicated intervals and the maintenance be recorded. ## Lubricate the front suspension, ball joints, steering Locking Differential -- Drain fluid and refill at first engine oil change. At subsequent oil changes. check fluid level and add fluid as needed. If driving i n dusty areas or towing a trailer, drain fluid and refill every 15,000 miles (25 000 km). Standard Differential -- Check fluid level and add fluid as needed at every oil change. If driving i n dusty areas or towing a trailer. drain fluid and refill every 15,000 miles ( 2 5 000 km). More frequent lubrication may be required for hea\jy-duty or off-l-oad use. linkage, parking brake cable guides, propshaft splines. universal joints and brake pedal springs. 7-7