1993 Buick Roadmaster Owner's Manual - Page 307

. . TO BE ,SERVICED (See explanation of Scheduled Maintenance Services Following Schedules I'and 11) . WHEN TO PERFORM Miles (kilometers) or Months, Whichever Occurs First , KILOMETERS (000) Item No. - . 8. Transmission Service See Explanationof Scheduled Maintenance I 1 Services Following Schedules and 1 9. Spark Plug Replacement" 10.Spark Plug.Wire.Inspection*T 11. EGR System Inspection*? 12.Air Cleaner Filter Replacement" Every 30!000 mi. (50 000 km) 13. ~ icleaner Inspection*? r 14.Fuel Tank, Cap & Lines'Inspectiori*f -t 15.En&e Timing & Distributor Check! . . The'services shown in schedule up to 45.000 miles (75 000 km) should be performed after45 000 this miles at the'same inte-Wals. I * f . . I An Emission Control Service. The U.S. Environmental Protection Agency determined that the failure to perform this maintenance item notnullify the emission warranty limit recall liability has will or prior to the completion of vehicle useful life. Gerieml Motors, however; that all recommendedmaintenanceservices be performed the indicated intervals and maintenance be.recorded "Section EMaintenance urges at the in Record". 305