Engine Torque Specifications

TORQUE






CYLINDER HEAD









If your bolt has the short head (1), use the following torque specifications:
First: All to 30 Nm (25 ft. lbs.)
Second: All to 61 Nm (45 ft. lbs.)
Third: All to 61 Nm (45 ft. lbs.)
Fourth: All an additional 90°

CAUTION: Do not use a torque wrench for the Fourth step.

If your bolt has the long head (2), use the following torque specifications:
First: All to 30 Nm (25 ft. lbs.)
Second: All to 73 Nm (54 ft. lbs.)
Third: All to 73 Nm (54 ft. lbs.)
Fourth: All an additional 90°

CAUTION: Do not use a torque wrench for the Fourth step.

HEAD BOLT REUSE/REPLACE

The cylinder head bolts are tightened using a torque plus angle procedure. The bolts must be examined BEFORE reuse. If the threads are necked down the bolts must be replaced.

INTAKE MANIFOLD





Intake Manifold-Bolts 24 Nm (18 ft. lbs.)

CAMSHAFT BEARING CAP





Camshaft Bearing Cap-Bolts
M6 Bolts 12 Nm (106 in. lbs.)
M8 Bolts 30 Nm (22 ft. lbs.)

MAIN BEARING CAP









If your bolt heads look like this (1,2), use the following torque specifications:

Tighten bolts using a three step method, in the sequence shown.
Tighten bolts to 15 Nm (11 ft. lbs.)
Tighten bolts to 27 Nm (20 ft. lbs.)
Rotate an additional 45°.

If your bolt heads do not look like this (1,2), use the following torque specifications:

Tighten bolts using a three step method, in the sequence shown.
Tighten bolts to 15 Nm (11 ft. lbs.)
Tighten bolts to 45 Nm (33 ft. lbs.)
Rotate an additional 45°.


FLYWHEEL/FLEX PLATE





Flywheel-to-Crankshaft bolts 95 Nm (70 ft.lbs.)

Flex Plate to Crankshaft-Bolts 29 Nm + 51° (22 ft. lbs. + 51°)

OIL PUMP





NOTE: Use a three step procedure when tightening BSM mounting bolts.

For new 180 mm bolts, use the following torque specifications:

Tighten new 180 mm BSM mounting bolts as follows:
Tighten to 15 Nm (11 ft. lbs.) in the sequence shown.
Tighten to 33 Nm (24 ft. lbs.) in the sequence shown.
Rotate bolts an additional 90° in the sequence shown.

For 185 mm bolts, use the following torque specifications:

Tighten 185 mm BSM mounting bolts as follows:
Tighten to 15 Nm (11 ft. lbs.) in the sequence shown.
Tighten to 29 Nm (22 ft. lbs.) in the sequence shown.
Rotate bolts an additional 90° in the sequence shown.

EXHAUST MANIFOLD





Exhaust Manifold-Bolts 34 Nm (25 ft. lbs.)

WATER PUMP

Water pump to water pump adapter 22 Nm (16 lbs. ft.)
Water pump assembly to engine block 24 Nm (18 lbs. ft.)