GMC 1995 Suburban Owner's Manual page 373

Every 30,000 Miles
( 5 0
000 km)
Air Cleaner Filter Replacement
Spark Plug Replacement
Fuel Filter Replacement
Cooling System Service (or every 24 months. whichever occurs first)
Every 50,000 Miles
( 8 3
000 km)
Automatic Transmission Service (severe conditions only)
Every 60,000 Miles (100 000 km)
Engine Accessory Drive Belt Inspection
Spark
PILI^
Wire Inspection
Ensine Timing Check
Fuel Tank, Cap and Lines Inspection
Schedule I! Definition
-
Gasoline Engines With Light Duty
Emissions
~ o l l o w Schedule I1
01z1.11
if none of the conditions from Schedule I is true.
Schedule
I1
Intervals
-
Gasoline Engines With Light Duty
Emissions
Every 7,500 Miles (12 500 km)
Engine Oil and Filter Change (or every I2 months. whichever occurs first)
Chassis Lubrication (or every I2 months, whichever occurs first)
Drive Axle Service
At 7,500 Miles (12
500
km)
-
Then Every 15,000 Miles ( 2 5 000 km)
Tire Rotation
7-5