1995 Pontiac Trans Sport Owner's Manual - Page 356

I MaintenanceSchedule I I 0Replace spark plugs. Service. 1 90,000 Miles (150 000 km) El Change engine oil and filter (orevery 3 months, whichever occurs first). An Emission Control Service. ln EInission ControI 0Replace air cleanerfilter. Replace filter more often under dusty conditions. An Emission Control Service. 0Lubricate the suspension and steering linkage, transaxle shift linkage, parking brake cable guides and underbody contact points and linkage (or every 6 months, whichever occurs first). 0Drain, flush and refill cooling system(or every 24 months, whichever occurs first). See "Engine Coolant" in the Index for what to use. Inspect hoses. Clean radiator, condenser, pressure cap and neck. Pressure test the cooling systemand pressure cap. An Emission Control Service. 0Inspect air cleaner hosesand ducts for proper hook-up (3.1L Code D engine only). Make sure the valve works properly. An Emission Control Service. c Rotate tires. See "TireInspection and ] Rotation" in the Index forproper rotation pattern and additional information. DATE ACTUAL MILEAGE SERVICED B Y 7-23