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Intake Manifold (Lower) INSTALLATION(7.4L): Overview GMC Envoy I

Mechanical 2 illustrations

Use NEW gaskets if old gaskets are damaged. Install gaskets with "THIS SIDE UP" stamp facing up. Apply Loctite® 242 (12345382) or equivalent, to lower intake manifold bolts. Tighten lower intake manifold bolts in sequence to specification. see scheme 5 See TORQUE SPECIFICATIONS table. To complete installation, reverse removal procedure. see scheme 4

Scheme 6

Scheme 6: INTAKE MANIFOLD (LOWER) INSTALLATION(7.4L)

Scheme 7

Scheme 7