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Home >> Chevrolet >> 1989 >> Forward Control 6.2 J, Automatic, 3L80/M40 >> Repair and Diagnosis >> Engine Performance >> Adjustment >> Tune-Up - 6-CYL >> Specifications >> Service Intervals
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Service Intervals

REPLACEMENT INTERVALS

Component Interval (Miles)
Air Filter 30,000
Coolant 30,000
Fuel Filter 60,000
Oil & Filter
Normal Service 7500
Severe Service 3000
PCV Valve 60,000
Spark Plugs 30,000