Chevrolet 1997 Astro Owner's Manual page 366

100,000 Miles (I66 000
km)
0
Inspect spark plug wires.
0
Replace spark plugs.
0
Inspect. Positive Crankcase Ventilation
(Pcv)
valve.
An Emission Control Sewice.
An Emission Control Service.
An Emission Control Service.
.
DATE ACTUAL MILEAGE SERVICED BY:
-
150,000 Miles (240 000 km)
0
Drain, flush and refill cooling system
(or every 60 months since last service,
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 system and pressure cap.
An Emission Control Service.
DATE
I
ACTUAL MILEAGE SERVICED
BY