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Engine Controls - System/component Tests: Removal & Installation Chevrolet Pickup C1500

Testing & Diagnostics 30 illustrations ~159 words

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.

INSTALLATION

Lubricate new intake manifold tuning valve O-ring seal with clean engine oil. Install intake manifold tuning valve and attaching screws. Tighten screws to 18 inch lbs. (2.0 N.m). Connect electrical connector.

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