Component Tightening Specifications and Sequences

CYLINDER HEAD SUB-ASSEMBLY

Step 1
(1) Using a 10 mm bi-hexagon wrench, install and uniformly tighten the 8 cylinder head bolts with the plate washers in several steps and in the sequence shown in the illustration.
Torque 36 N*m (367 kgf/cm, 27 ft. lbs.)

Step 2
(1) Mark the cylinder head bolt head with paint as shown in the illustration.
(2) Tighten the cylinder head bolts another 90°.

Step 3
(1) Tighten the cylinder head bolts by an additional 90°.
(2) Check that the painted mark is now facing rearward.

CYLINDER HEAD LH

The cylinder head bolts are tightened in 3 progressive steps.

Apply a light coat of engine oil to the threads and under the heads of the cylinder head bolts.

Tighten the 2 bolts in the order shown in the illustration.
Torque 30 N*m (306 kgf/cm, 22 ft. lbs.)

CAMSHAFT BEARING CAP RH

Temporarily tighten the 8 bolts in the order shown in the illustration.
Torque 10 N*m (102 kgf/cm, 7 ft. lbs.)

CAMSHAFT BEARING CAP

Temporarily tighten the 8 bolts in the order shown in the illustration.
Torque 10 N*m (102 kgf/cm, 7 ft. lbs.)

MAIN BEARING CAP
Temporarily install the 8 main bearing cap bolts to the inside positions.

Insert the main bearing cap by hand until the clearance between the main bearing cap and the cylinder block is less than 6 mm (0.23 in.) by marking the 2 internal bearing cap bolts as a guide.
Bolt length: 100 to 102 mm (3.94 to 4.02 in.)

Using a plastic hammer, lightly tap the bearing cap to ensure a proper fit.
Apply a light coat of engine oil to the threads and under the heads of the 8 main bearing cap bolts.

Install the 8 main bearing cap bolts to the outside positions.
Bolt length 105.5 to 107.5 mm (4.15 to 4.23 in.)

Install the crankshaft bearing cap bolts.

The main bearing cap bolts are tightened in 2 progressive steps.

Step 1
Install and uniformly tighten the 16 main bearing cap bolts in the sequence shown in the illustration.
Torque 61 N*m (622 kgf/cm, 45 ft. lbs.)
If any of the main bearing cap bolts does not meet the torque specified, replace it.

Step 2
Mark the front of the bearing cap bolts with paint.
Tighten the bearing cap bolts another 90° in the order above.
Check that the painted mark is now at a 90° angle to the front.

Install and uniformly tighten the 8 main bearing cap bolts in several steps and in the sequence shown in the illustration.
Torque 52 N*m (525 kgf/cm, 38 ft. lbs.)

CONNECTING ROD CAP
The connecting cap bolts are tightened in 2 progressive steps.

Step 1
Install and alternately tighten the bolts of the connecting rod cap in several steps.
Torque 25 N*m (255 kgf/cm, 18 ft. lbs.)

Step 2
Mark the front side of each connecting cap bolt with paint.
Tighten the cap bolts another 90° as shown in the illustration.
Check the painted mark is now at a 90° angle to the front.

CRANKSHAFT PULLEY
Torque 250 N*m (2,550 kgf/cm, 184 ft. lbs.)

OIL PUMP

Install the oil pump cover with the 8 bolts.
Torque 9.1 N*m (93 kgf/cm, 81 in. lbs.)

WATER PUMP

Install a new water pump gasket and the water pump assembly with the 16 bolts.
Torque:
Bolt A 21 N*m (214 kgf/cm, 15 ft. lbs.)
Bolts B and C 9.1 N*m (93 kgf/cm, 81 in. lbs.)

EXHAUST MANIFOLD LH

Install a new gasket as shown in the illustration.
Install the exhaust manifold sub-assembly RH with the 6 nuts.
Torque 21 N*m (214 kgf/cm, 15 ft. lbs.)

EXHAUST MANIFOLD RH

Install a new gasket as shown in the illustration.
Install the exhaust manifold sub-assembly RH with the 6 nuts.
Torque 21 N*m (214 kgf/cm, 15 ft. lbs.)