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Home >> GMC >> 1993 >> Forward Control 7.4 N >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests >> Intake Manifold Tuning Valve Assembly >> Removal
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Intake Manifold Tuning Valve Assembly: Removal

Disconnect electrical connector. Remove tuning valve attaching screws, tuning valve and O-ring seal.

NOTE: The tuning valve is an electrical component. DO NOT  soak it in any liquid cleaner or solvent, damage may result. To avoid breaking tuning valve mounting ears, alternately tighten attaching screws until they engage mounting ear surface, then tighten each screw to specified torque.