Cylinder Head Assembly
Cylinder HeadCylinder Head Height/Thickness - Measured from the Cylinder Head Deck to the Valve Rocker Arm Cover Seal Surface 120.2 mm 4.732 in
Surface Flatness - Block Deck - Measured Within a 152.4 mm (6.0 in) Area 0.08 mm 0.003 in
Surface Flatness - Block Deck - Measuring the Overall Length of the Cylinder Head 0.1 mm 0.004 in
Surface Flatness - Exhaust Manifold Deck 0.13 mm 0.005 in
Surface Flatness - Intake Manifold Deck 0.08 mm 0.0031 in
Valve Guide Installed Height - Measured from the Spring Seat Surface to the Top of the Guide 17.32 mm 0.682 in
Camshaft Sprocket Bolt - First Pass 75 N.m 55 lb ft
Camshaft Sprocket Bolt - Final Pass 50 degrees
Cylinder Head Bolt
Important: The cylinder head bolts are of a torque-to-yield design and are NOT to be reused.
Cylinder Head M8 Bolts - in Sequence 30 N.m 22 lb ft
Cylinder Head M11 Bolts - First Pass in Sequence 30 N.m 22 lb ft
Cylinder Head M11 Bolts - Second Pass in Sequence 90 degrees
Cylinder Head M11 Bolts - Final Pass in Sequence 70 degrees
Exhaust Manifold Bolts - First Pass 15 N.m 11 lb ft
Exhaust Manifold Bolts - Final Pass 20 N.m 15 lb ft
Intake Manifold Bolts - First Pass in Sequence 5 N.m 44 lb in
Intake Manifold Bolts - Final Pass in Sequence 10 N.m 89 lb in
Intake Manifold Sight Shield Retainer Bolts 5 N.m 44 lb in
J 41798 M8 Bolt 25 N.m 18 lb ft
J 41798 M10 Bolts 50 N.m 37 lb ft