1996 GMC Savana Van Owner's Manual - Page 329

Long TripMighwag Maintenance Schedule-- Gasoline Engines rn 30,000 Miles (50 000 km) Change engine oil and filter (or every 12 months, whichever occurs first). A1 1 0Vehicles With GVWR Above 8,500 lbs. Only: Inspect shields and underhood insulation for damage or looseness. Adjust or replace as required. This is a Noise Emission Control Service. Applicable onlyto vehicles sold in the United States. Emission ColztmI Service. 0Lubricate chassis components; see footnote # (or every 12 months, whichever occurs first). 0Check axle fluid level and add fluid as needed. *:k Clean and repack the front wheel bearings (or at each brake relining, whichever occurs first). Replace fuel filter. An Ernissinn Control Service. -f0Replace air cleaner filter. AI? 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 LI Noise Emission Corztvol Service. Applicable only to vehicles sold in the United States. 7-33