GMC Workshop Service and Repair Manuals > S15/T15 Sonoma P/U 2WD V6-4.3L VIN X (1998) > Engine, Cooling and Exhaust | Engine | Cylinder Head Assembly | Valve Spring | Component Information | Service and Repair

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13. Install the spark plugs.
14. Install the valve rocker arms to the cylinder head.

GMC Workshop Service and Repair Manuals