System Specifications
Cylinder Head BoltsNOTE: The cylinder head bolts are torque-to-yield and must not be reused. New cylinder head bolts must be installed.
Stage 1 5 Nm (44 lb-inch)
Stage 2 15 Nm (11 lb-ft)
Stage 3 45 Nm (33 lb-ft)
Stage 4 additional 90 degrees
Stage 5 additional 90 degrees
Head face flatness 0.1 mm/general 0.05 mm/200 x 200 (0.0003 in/general) (0.0019 in/7.87 x 7.87)
Intake manifold bolts 18 Nm (13 lb-ft)
Camshaft Bearing Cap Bolts:
Stage 1: Tighten the camshaft bearing bolt caps one turn at a time until tight.
Stage 2 7 Nm (62 lb-inch).
Stage 3 16 Nm (12 lb-ft).
Camshaft Gear/Sprocket Torque 72 Nm (53 lb-ft)
Exhaust manifold-to-cylinder head studs 17 Nm (13 lb-ft)
Exhaust manifold nuts 54 Nm (40 lb-ft)