1993 Buick Park Avenue Owner's Manual - Page 301

TO BE SERVICED (See Explanation of Scheduled Maintenance Services Following Schedules I and 11) WHEN TO PERFORM Miles (kilometers)or Months, Whichever Occurs First Every 30 000 mi. (50 000 km) or 24 months. See Explanation of Scheduled Maintenance Service Following Schedules I and I1 MILES (000) . . 6 9 12 15 18 KILOMETERS (000) 25 30 35 40 45 50 55 60 65 70 75 Ztem No. 6' 'ling System Service* a I I I 7. Transaxle Service 8* Spark Replacement* 9. Spark Plug Wire Inspection*? a a Replacement"? 11. Fuel Tank, Cap & Lines Inspection 12. Supercharger Oil Check (3.8L Code 1 engine only) Every 30 000 mi (50 000 km) a a Every 30 000 mi (50 000 km) or 36 months a The servicesshown in this schedule up 48 000 miles (80 000 km) should be performed after 48 000 miles at the same to intervals. * f An Emission Control Service. The U.S. Environmental Protection Agency has determined that the failure to perform this maintenance item will not nullify the emission warranty or limit recall liability prior to the completion of vehicle useful life. General Motors, however, urges that all recommended maintenance services be performed at the indicated intervals and the maintenance be recorded in "Section E:Maintenance Record".