Cylinder Head Assembly
Cylinder Head Surface VariationSurface Finish - Maximum 2.8 RA
Surface Flatness - Block Deck 0.08 mm Per 152 mm (0.003 in Per 6 in)
Cylinder Head Bolt Re-usability
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.
Cylinder Head Bolt
First Pass 60 N.m (44 lb ft)
Final Pass 140 degrees
Exhaust Manifold Bolt 20 N.m (15 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 7 N.m (62 lb in)
Final Pass 25 N.m (18 lb ft)
Upper Intake Manifold Bolt/Stud 25 N.m (18 lb ft)