1997 GMC Suburban Owner's Manual - Page 363

Short Trip/City Maintenance Schedule -- Gasoline Engines I 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 m should be performed at at 150,000 miles (240 000 k ) the same interval after 150,000 miles (240 000 km). See "Owner Checks and Services'' and "Periodic Maintenance Inspections''following. and kingpin bushings should not be lubricatedunless their temperature is 10°F (- 12°C) or higher, or they could be damaged. tire rotation. See "Brake System Inspection" under "Periodic Maintenance Inspection" in Part C of this schedule. service (see "Recommended Fluids and Lubricants" in the Index for proper lubricant touse): 0 + A good time to check your brakes is during * * Drive axle Footnotes The U.S. Environmental Protection Agency or the California Air Resources Board has determined that the failure toperform this maintenance item will not nullify the emission warranty or limitrecall liability prior to the completion of the vehicle's useful life. We, however, urge that all recommended maintenance services be performed at the indicated intervals and the maintenance be recorded. # Lubricate the front suspension, kingpin bushings, 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 in dusty areas ortowing a trailer, drain fluidand refill every 15,000 miles (25 000 km). Standard Differential -- Check fluid level and add fluid asneeded at every oil change. If driving in dusty areas ortowing a trailer, drain fluid and refill every 15,000 miles (25 000 km). More frequent lubricationmay be required for heavy-duty or off-road use. 0 steering linkage, transmission shift linkage, transfer case shift linkage, parking brake cable guides, front axle propshaft splinesand brake pedal springs. Ball joints 0 7-7