Cylinder Head Assembly
Cylinder HeadCombustion Chamber Depth - at Measurement Point 2.2 mm 0.087 in
Surface 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
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 New Cylinder Head Bolts
First Pass 60 N.m 44 lb ft
Final Pass 95 degrees
Camshaft Sprocket Bolt 140 N.m 103 lb ft
Exhaust Manifold Nut 16 N.m 12 lb ft
Exhaust Manifold Stud 18 N.m 13 lb ft
Lower Intake Manifold Bolt - Center 20 N.m 15 lb ft
Lower Intake Manifold Bolt - Corner 25 N.m 18 lb ft
Notice: Failure to tighten vertical bolts before the diagonal bolts may cause an oil leak.
Upper Intake Manifold Bolt/Stud 25 N.m 18 lb ft