Engine Torque Specifications

TORQUE

5.7L ENGINE










CYLINDER HEAD BOLTS





Using the sequence shown, tighten the cylinder head bolts 1 through 10 to 34 Nm (25 ft. lbs.).
Using the sequence shown, tighten the cylinder head bolts 11 through 15 to 20 Nm (15 ft. lbs.).
Using the sequence shown, tighten the cylinder head bolts 1 through 10 to 54 Nm (40 ft. lbs.).
Using the sequence shown, tighten the cylinder head bolts 11 through 15 to 20 Nm (15 ft. lbs.).
Using the sequence shown, rotate the cylinder head bolts 1 through 10 90°.
Using the sequence shown, tighten the cylinder head bolts 11 through 15 to 34 Nm (25 ft. lbs.).

INTAKE MANIFOLD





Using the sequence shown, tighten the intake manifold bolts to 12 Nm (9 ft. lbs.).

THROTTLE BODY






CAUTION: The throttle body mounting bolts MUST be tightened to specifications. Over tightening can cause damage to the throttle body or the intake manifold.

Tighten mounting bolts (as shown) in a mandatory torque criss-cross pattern sequence to 5.6 Nm (50 in. lbs.).

MAIN BEARING CAPS





Tighten main bearing cap bolts to 13 Nm (10 ft. lbs.) in the sequence shown.
Tighten main bearing cap bolts to 27 Nm (20 ft. lbs.) in the sequence shown.
Rotate main cap bolts an additional 90° in the sequence shown.





Install the crossbolts with new seal washer. Starting with crossbolt A.
Tighten crossbolt to 28 Nm (21 ft. lbs.).
Repeat crossbolt tightening procedure.

FLEX PLATE





Using the sequence shown, tighten the flexplate retaining bolts to 95 Nm (70 ft. lbs.).

OIL PUMP





Tighten the oil pump retaining bolts to 28 Nm (250 in. lbs.) in the sequence shown.

EXHAUST MANIFOLD





Install manifold bolts and tighten to 25 Nm (18 ft. lbs.) in the sequence shown.