Tightening Torque & Sequences

CYLINDER HEAD TORQUE & SEQUENCE:

Tighten the 10 cylinder head bolts in 6 stages, in the sequence shown.
Stage 1: Tighten to 40 Nm (30 lb-ft).
Stage 2: Tighten an additional 90 degrees (one-quarter turn).
Stage 3: Loosen a minimum of one full turn (360 degrees).
Stage 4: Tighten to 40 Nm (30 lb-ft).
Stage 5: Tighten an additional 90 degrees (one-quarter turn).
Stage 6: Tighten an additional 90 degrees (one-quarter turn).







HEAD BOLT REUSE/REPLACE:

NOTE: The cylinder head bolts must be discarded and new bolts installed. They are a tighten-to-yield design and cannot be reused.

INTAKE MANIFOLD TORQUE & SEQUENCE:

Tighten the bolts in the sequence shown.
Tighten to 25 Nm (18 lb-ft).







CAMSHAFT BEARING CAP TORQUE & SEQUENCE:

Tighten the bolts in the sequence shown.
Tighten to 10 Nm (89 lb-in).






MAIN BEARING CAP TORQUE & SEQUENCE:

NOTE: The jackscrews are a part of the main bearing cap assembly and are screwed into the main caps, not the cylinder block.

Back out the 10 jackscrews against the cylinder block in 2 stages, in the sequence shown.
Stage 1: Tighten to 5 Nm (44 lb-in).
Stage 2: Tighten to 10 Nm (89 lb-in).





Install the 10 main bearing cap bolts and tighten in 2 stages, in the sequence shown.
Stage 1: Tighten to 10 Nm (89 lb-in).
Stage 2: Tighten to 21 Nm (15 lb-ft).





Tighten the 10 main bearing cap bolts in 2 stages, in the sequence shown.
Stage 1: Tighten to 40 Nm (30 lb-ft).
Stage 2: Tighten an additional 90 degrees.






ROD BEARING CAP TORQUE & SEQUENCE:

Tighten the 16 connecting rod bearing cap bolts in 3 stages, in the sequence shown.
Stage 1: Tighten to 23 Nm (17 lb-ft).
Stage 2: Tighten to 43 Nm (32 lb-ft).
Stage 3: Rotate an additional 90-120 degrees.






CRANKSHAFT PULLEY TORQUE & SEQUENCE:

Install the bolt and washer and tighten the crankshaft pulley bolt in 4 stages.
Stage 1: Tighten to 120 Nm (89 lb-ft).
Stage 2: Loosen 360 degrees.
Stage 3: Tighten to 50 Nm (37 lb-ft).
Stage 4: Rotate an additional 90 degrees (one-quarter turn).






FLYWHEEL/FLEX PLATE TORQUE & SEQUENCE:

Position the flexplate and install the 6 bolts in the sequence shown.
Tighten to 80 Nm (59 lb-ft).






OIL PUMP TORQUE & SEQUENCE:

Position the oil pump and install the 3 bolts loosely. Tighten the bolts in the sequence shown.
Tighten to 10 Nm (89 lb-in)






EXHAUST MANIFOLD TORQUE & SEQUENCE:

Install a new LH exhaust manifold gasket the LH exhaust manifold and 8 new nuts.
Tighten to 20 Nm (177 lb-in) in the sequence shown.





Install a new RH exhaust manifold gasket the RH exhaust manifold and 8 new nuts.
Tighten to 20 Nm (177 lb-in) in the sequence shown.






WATER PUMP TORQUE & SEQUENCE:

Position the coolant pump pulley on the coolant pump and install the 4 bolts.
Tighten to 25 Nm (18 lb-ft).