Express 1/2 Ton Van V6-4.3L VIN X (2003)
5. Apply a 5 mm (0.197 inch) bead of adhesive GM P/N 12346141 (Canadian P/N 10953433) or equivalent to the rear top of the engine block.
6. Extend the adhesive bead 13 mm (0.50 inch) onto each lower intake manifold gasket.
7. Install the lower intake manifold onto the engine block.
8. If reusing the fasteners, apply threadlock GM P/N 12345382 (Canadian P/N 10953489) or equivalent to the threads of the lower intake manifold
bolts.
9. Install the lower intake manifold bolts.
Notice: Refer to Fastener Notice in Service Precautions.
10. Tighten the lower intake manifold bolts.
10.1.
Tighten the bolts on the first pass in sequence (1-8) to 3 Nm (27 inch lbs.).
10.2.
Tighten the bolts on the second pass in sequence (1-8) to 12 Nm (106 inch lbs.).
