Service Procedures
5.2L - Cylinder Head Bolt Tightening Sequence:
3.9L - Cylinder Head Bolt Tightening Sequence:
Starting at top center, tighten all cylinder head bolts, in sequence, to 68 Nm (50 ft. lbs.) torque. Repeat procedure, tighten all cylinder head bolts to 143 Nm (105 ft. lbs.) torque. Repeat procedure to confirm that all bolts are at 143 Nm (105 ft. lbs.) torque.