Chevrolet 1993 Astro Passenger Owner's Manual page 312

Scheduled Maintenance Services
SCHEDULED MAINTENANCE SERVICES FOR
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If your driving conditions meet those specified in "Scheduled Maintenance
I
Services" in this Section, use Maintenance Sc
Spark Plug Wire Inspection*
Engine Timing Check*
Fuel Tank, Cap and Lines Inspection*
Engine Accessory Drive Belt Inspection*
Tire and Wheel ation
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Drive Axle
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Brake Systems Inspection**
FOOTNOTES:
*An Emission Control Service
**See "Explanation of Scheduled Maintenance Services" in this section.
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