Cylinder Head Assembly
Cylinder HeadSurface Finish - Maximum 2.8 Ra
Surface Flatness - Block Deck 0.08 mm per 152 mm 0.003 in per 6 in
Surface Flatness - Exhaust Manifold Deck 0.1 mm 0.004 in
Surface Flatness - Intake Manifold Deck 0.1 mm 0.004 in
Camshaft Sprocket Bolt 140 N.m 103 lb ft
Cylinder Head Bolt
Notice: This component uses torque-to-yield bolts. When servicing this component do not reuse the bolts, New torque-to-yield bolts must be installed. Reusing used torque-to-yield bolts will not provide proper bolt torque and clamp load. Failure to install NEW torque-to-yield bolts may lead to engine damage.
Install the NEW cylinder head bolts.
First Pass 60 N.m 44 lb ft
Final Pass 95 degrees
Exhaust Manifold Nut 16 N.m 12 lb ft
Exhaust Manifold Stud 18 N.m 13 lb ft
Upper Intake Manifold Bolt/Stud 25 N.m 18 lb ft
Lower Intake Manifold Bolt - Center
First Pass 7 N.m 62 lb in
Final Pass 13 N.m 115 lb in
Lower Intake Manifold Bolt - Corner
First Pass 13 N.m 115 lb in
Final Pass 25 N.m 18 lb ft