Cylinder Head Assembly
Cylinder HeadOverall Flatness End To End (maximum) 0.305 mm (0.012 inch)
Overall Flatness Side To Side (Maximum) 0.076 mm (0.003 inch)
Bore 102.0 mm (4.02 inch)
Stroke 120.0 mm (4.72 inch)
Compression Ratio 325 H.P 17.2:1
Cylinder Head Bolts
Lightly lubricate head bolts with engine oil and install. Using the sequence shown in, tighten bolts in the following steps:
a. Torque bolts to 70 Nm (52 ft. lbs.)
b. Back off 360 degrees in sequence
c. Torque bolts to 105 Nm (77 ft. lbs.)
d. Re-check all bolts to 105 Nm (77 ft. lbs.)
e. Tighten all bolts an additional 1/4 turn (90°)
Cylinder Head Cover Bolts 24 Nm (18 ft. lbs.)
Intake Manifold
Install the cover-to-cylinder head bolts that do not hold down the fuel rail.
Tighten the bolts to 24 Nm (18 ft. lbs.) torque.
Bolts-Exhaust Manifold to Cylinder Head-(Diesel Engine) 43 Nm (32 ft. lbs.)