Cylinder Head Assembly

Specifications - 5.7L ENGINE






TORQUE









Cylinder Head Tightening Sequence.

Note: Cylinder Head bolts are not to be reused.






5. Tighten the cylinder head bolts in three steps using the sequence provided :
- Step 1- Snug tighten M12 cylinder head bolts, in sequence, to 34 Nm (25 ft. lbs.) and M8 bolts to 20 Nm (15 ft. lbs.) torque.
- Step 2- Tighten M12 cylinder head bolts, in sequence, to 54 Nm (40 ft. lbs.) and verify M8 bolts to 20 Nm (15 ft. lbs.) torque.
- Step 3- Turn M12 cylinder head bolts, in sequence, 90 degrees and tighten M8 bolts to 34 Nm (25 ft. lbs.) torque.

Intake Manifold Tightening Sequence

Install intake manifold retaining bolts, and tighten in sequence from the middle bolts towards the outside in a crisscross pattern. Torque fasteners to 12 Nm (105 in. lbs.).

Exhaust Manifold Torque and Sequence










Install manifold bolts and tighten to 25 Nm (18 ft. lbs.).