Safari Van 2WD V6-4.3L VIN X (2003)
4. Install a NEW seal on the fuel meter body assembly.
5. Lubricate the seal with clean engine oil.
6. Install a NEW upper intake manifold to lower intake manifold gasket in the groove of the upper intake manifold.
7. Install the upper intake manifold onto the lower intake manifold. See: Intake Manifold Assemble (LU3)
8. If reusing the fasteners, apply threadlock GM P/N 12345382 or equivalent to the threads of the upper intake manifold attaching bolts.
Notice: Refer to Fastener Notice in Service Precautions.
9. Install the upper intake manifold attaching studs.
9.1.
Tighten the upper intake manifold attaching studs on the first pass to 5 Nm (44 inch lbs.).
9.2.
Tighten the upper intake manifold attaching studs on the final pass to 9 Nm (80 inch lbs.).
10. Install the fuel lines to the fuel meter body assembly.
11. Install the EVAP canister purge valve.