1996 GMC Savana Van Owner's Manual - Page 322

Short TriplCity Maintenance Schedule-- Gasoline Engines 90,000 Miles (150 000 km) 0Change engine oil and filter (or every 3 months, whichever occurs first). An Em,ission Control Service. 17 Replace air cleaner filter. An Emission Control Service. 0Rotate 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. Referto the appropriate GM service manual for proper caliper service procedures. 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 only to vehicles sold in the United States. 0Lubricate chassis components; see footnote ## (or every 3 months, whichever occurs first). 0Check axle fluid level and addfluid as needed. ** 0Clean and repackthe front wheel bearings (or at each brake relining, whichever occurs first). 0Replace fuel filter. An Emission Control Service. -f