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Home >> Chevrolet >> 1991 >> Chevy Van G30, Van Cargo, 4.3 Z >> Repair and Diagnosis >> Engine Performance >> Engine Controls - Specifications >> Quick-Service >> Service Intervals & Specifications
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Service Intervals & Specifications

REPLACEMENT INTERVALS

Component Interval (Miles)
Air Filter 30,000
Coolant 30,000
Fuel Filter (1) 60,000
Oil & Filter (2) 7500
Spark Plugs 30,000
(1) On diesel engines, replace every 30,000 miles.
(2) On diesel engines, replace every 5000 miles.
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