Cylinder Head Assembly: Specifications

CYLINDER HEAD TORQUE AND SEQUENCE






Cylinder Head Bolt
First Pass 30 Nm (22 lb ft)
Final Pass 155 degrees

HEAD BOLD REUSE/REPLACE

Note: Always use new cylinder head bolts.

SURFACE VARIATION - HEAD-TO-BLOCK

Cylinder Head
Surface Flatness - Block Deck
Longitude 0.050 mm (0.002 in)
Overall 0.1 mm (0.004 in)
Transverse 0.030 mm (0.0012 in)

Cylinder Block
Cylinder Head Deck Surface Flatness
Longitude 0.050 mm (0.002 in)
Overall 0.08 mm (0.0031 in)
Transverse 0.030 mm (0.0012 in)

INTAKE MANIFOLD TORQUE AND SEQUENCE






Intake Manifold to Cylinder Head Bolt and Nut 10 Nm (89 lb in)
Intake Manifold to Cylinder Head Stud 6 Nm (53 lb in)

CAMSHAFT BEARING CAP TORQUE AND SEQUENCE

Install the camshaft caps and hand start the camshaft cap bolts.
Tighten the camshaft cap bolts in increments of 3 turns until they are seated.
Tighten the camshaft caps to 10 Nm (89 lb in)

CRANKSHAFT PULLEY TORQUE

Crankshaft Balancer Bolt

First Pass 100 Nm (74 lb ft)
Final Pass 125 degrees

EXHAUST MANIFOLD TORQUE AND SEQUENCE






Exhaust Manifold to Cylinder Head Nut 14 Nm (10 lb ft)
Install NEW exhaust manifold nuts.