1999 Chevrolet Express Van Owner's Manual - Page 326

yellowblue Short Trip/City Scheduled Maintenance -- Gasoline Engines 60,000 Miles (100 000 km) (Continued) Clean and repack the front wheel bearings (or at each brake relining, whichever occurs first). Vehicles With GVWR Above 10,000 lbs. Only: Inspect shields 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. Inspect engine accessory drive belt. An Emission Control Service. Replace fuel filter. An Emission Control Service. (See footnote[.) j Conduct Exhaust Gas Recirculation (EGR) system inspection as described in the service manual. An Emission Control Service. (See footnote[.) j Conduct evaporative control system inspection. Check all fuel and vapor lines and hoses for proper hook-up, routing and condition. Check that the purge valve works properly (if equipped). Replace as needed. An Emission Control Service. (See footnote[.) j Replace air cleaner filter. An Emission Control Service. j Inspect fuel tank, cap and lines for damage or leaks. Inspect fuel cap gasket for any damage. Replace parts as needed. An Emission Control Service. (See footnote[.) j j j j 7-18