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Home >> GMC >> 1998 >> Forward Control 6.5 F >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 6 (Engine Controls - Specifications - 5.7L) >> Quick-Service >> Service Intervals & Specifications
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Service Intervals & Specifications

WARNING: This page is about a different variant/trim than selected.
REPLACEMENT INTERVALS

Component Interval (Miles)
Accessory Drive Belt (1) 30,000
Air Cleaner (1) 15,000
Engine Coolant 30,000
Fuel Filter (2)
Oil & Filter 3000
Spark Plugs 100,000
(1) Inspect and replace as necessary.
(2) No scheduled replacement interval is given by manufacturer. Check and replace as necessary.