1996 GMC Suburban Owner's Manual - Page 337

I ~~~ Short TripKity Maintenance Schedule -- Gasoline Engines] IS,OOO Miles (25 000 km) 0Change engine oiland filter (or every 3 months, whichever occurs first). An Emission Control Service. 0If your engine has a thermostatically controlled cooling fan, inspect all hoses and ducts for proper hook-up (or every 12 months, whichever occurs first). Be sure the valve works properly. This is a Noise Emission Control Service. Applicable onlyto vehicles sold in the United States. 0Lubricate chassis components; see footnote # (or every 3 months, whichever occurs first). 0Check readfront axle fluid level and add fluid as needed. Check constant velocity joints and axle seals for leaking.** 0For Two-Wheel-Drive vehicles only: Clean and repack the front wheel bearings (or at each brake relining,whichever occurs first). 0Vehicles With GVWR Above 8,500 lbs. Only: Inspect shieldsand underhood insulation for damageor looseness. Adjust or replace as required. is LI Noise Emission This Control Service. Applicable only to vehicles in sold the United States. DATE ACTUAL MILEAGE SERVICED BY: 7-9