LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Buick >> 2002 >> Century V6-3.1L VIN J >> Repair and Diagnosis >> Specifications >> Mechanical Specifications >> Engine >> Intake Manifold
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Intake Manifold








Install NEW lower intake manifold bolts.

The torque specification is a 2-step process; tighten the vertical lower intake manifold bolts (the four middle ones) to 7 Nm (62 lb in). Tighten the diagonal lower intake manifold bolts (two on each end) to 7 Nm (62 lb in). Tighten the vertical lower intake manifold bolts (the four middle ones) to 13 Nm (115 lb in). Tighten the diagonal lower intake manifold bolts (two on each end) to 25 Nm (18 lb ft).