S15/T15 Sonoma P/U 2WD V6-4.3L VIN X (1998)
5. Apply a 5 mm (0.197 inch) bead of adhesive GM P/N 12346141 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.
NOTICE: Refer to Fastener Notice in Service Precautions.
8. If reusing the fasteners, apply Threadlock GM P/N 12345382 or equivalent to the threads of the lower intake manifold bolts.
9. Install the lower intake manifold bolts.
NOTICE: Proper lower intake manifold fastener tightening sequence and torque is critical. Always follow the tightening sequence, and torque the
intake manifold bolts using the 3 step method. Failing to do so may distort the crankshaft bearing bore alignment and cause damage to the
crankshaft bearings.
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.).
