1993 Pontiac Trans Sport Owner's Manual - Page 289

Maintenance Schedule Section A: Scheduled Maintenance Services lcont.1 ITEM NO. SERVICE ITEM NO. SERVICE 13 10 11 12 Exhaust Gas Recirculation(EGR)System Inspection (3.E Code D engineonly)*-Conduct the EGR system service as described in the service manual. To purchase a service manual, see the Index under Service Publications. AirCleanerFilterReplacement*-Replace every 30,000miles (50 000 k ) more often under m or dusty conditions.Ask your dealer for the proper replacement intervals for your driving conditions. Air Cleaner Inspection (3.W Code D engine only)**-Inspect all hoses and ducts for proper hookup. Make sure the valve works properly. 14 Fuel Tank, Cap and Lines Inspection*Inspect fuelt n , cap and lines for damage ak or leaks. Inspect fuel cap gasket for even filler neck an imprint or any damage. Replace parts as needed. Periodic replacementof the fuel filter is not required. EngineTimingandDistributorCheck (3.E Code D engine only)*-Adjust the timing to the underhood label specifications. Inspect the inside and outsideof the distributor cap and rotor for cracks, carbon trackingand corrosion. Cleanor replace as needed. *An Emission Control Service. ~2The US.Environmental Protection Agency has determined that the failure to per$orm this maintenance item not nulkfy the emission warranty or will limit recall liability prior to the completionof vehicle usejkl life. General Motors, however, urges that recommended maintenance sewices be all peflormed at the indicated intervals and maintenance be recorded Section E: Maintenance Record. the in ' i 288