Cylinder Head Assembly

Important: The cylinder head bolts are NOT reusable.

Cylinder Head M8 Bolts - in Sequence 30 Nm (22 ft. lbs.)
Cylinder Head M11 Bolts - First Pass in Sequence 30 Nm (22 ft. lbs.)
Cylinder Head M11 Bolts - Second Pass in Sequence 90 degrees
Cylinder Head M11 Bolts - Final Pass in Sequence 70 degrees





Intake Manifold Bolts - First Pass in Sequence 5 Nm (44 inch lbs.)
Intake Manifold Bolts - Final Pass in Sequence 10 Nm (89 inch lbs.)
Intake Manifold Wiring Harness Stud 10 Nm (89 inch lbs.)
J41798 M8 Bolt 25 Nm (18 ft. lbs.)
J41798 M10 Bolts 50 Nm (37 ft. lbs.)





Exhaust Manifold Bolts - First Pass 15 Nm (11 ft. lbs.)
Exhaust Manifold Bolts - Final Pass 25 Nm (18 ft. lbs.)

Camshaft Retainer Bolts - Hex Head Bolts 25 Nm (18 ft. lbs.)
Camshaft Retainer Bolts - TORX (R) Head Bolts 15 Nm (11 ft. lbs.)
Camshaft Sprocket Bolts 35 Nm (26 ft. lbs.)

Cylinder Head
Cylinder Head Height/Thickness - Measured from the Cylinder Head Deck to the Valve Rocker Arm Cover Seal Surface 120.2 mm (4.732 inch)
Surface Flatness - Block Deck - Measured within a 152.4 mm (6.0 inch) Area 0.08 mm (0.003 inch)
Surface Flatness - Block Deck - Measuring the Overall Length of the Cylinder Head 0.1 mm (0.004 inch)
Surface Flatness - Exhaust Manifold Deck 0.13 mm (0.005 inch)
Surface Flatness - Intake Manifold Deck 0.08 mm (0.0031 inch)
Valve Guide Installed Height - Measured from the Spring Seat Surface to the Top of the Guide 17.32 mm (0.682 inch)