Component Tightening Specifications and Sequences
Cylinder HeadCYLINDER HEAD SUB-ASSEMBLY (for Bank 1)
Step 1
Using a 10 mm bi-hexagon wrench, install and uniformly tighten the 8 cylinder head bolts with the plate washers in several steps, in the sequence shown in the illustration.
Torque 36 Nm (367 kgf-cm, 27 ft. lbs.)
Step 2
Mark the cylinder head bolt head with paint as shown in the illustration.
Tighten the cylinder heads bolts another 90° in the sequence shown in step 1.
Step 3
Tighten the cylinder head bolts by an additional 90° in the sequence shown in step 1.
Check that the painted mark is now facing rearward.
CYLINDER HEAD SUB-ASSEMBLY (for Bank 2)
HINT: The cylinder head bolts are tightened in 3 progressive steps.
Step 1
Using a 10 mm bi-hexagon wrench, install and uniformly tighten the 8 cylinder head bolts with the plate washers in several steps, in the sequence shown in the illustration.
Torque 36 Nm (367 kgf-cm, 27 ft. lbs.)
Step 2
Mark the cylinder head bolt heads with paint as shown in the illustration.
Tighten the cylinder head bolts another 90° in the sequence shown in step 1.
Step 3
Tighten the cylinder head bolts by an additional 90° in the sequence shown in step 1.
Check that the painted mark is now facing rearward.
Install the 2 bolts in the order shown in the illustration.
Torque 30 Nm (306 kgf-cm, 22 ft. lbs.)
CYLINDER HEAD SET BOLT
Using a vernier caliper, measure the minimum diameter of the elongated thread at the measuring point.
Minimum outside diameter 10.70 mm (0.4213 inch)
HINT:
If a visual check reveals no excessively thin areas, check the center of the bolt (see illustration) and find the area that has the lowest diameter.
If the diameter is less than the minimum, replace the cylinder head bolt.
Intake Manifold
Install and uniformly tighten the 6 bolts and 4 nuts in several passes.
Torque 21 Nm (214 kgf-cm, 15 ft. lbs.)
Intake air surge tank assembly x Intake manifold 18 Nm (184 kgf-cm, 13 ft. lbs.)
Intake air surge tank assembly x Intake manifold 18 Nm (184 kgf-cm, 13 ft. lbs.)
Throttle body x Intake air surge tank assembly 10 Nm (102 kgf-cm, 7 ft. lbs.)
Intake manifold x Cylinder head sub-assembly 21 Nm (214 kgf-cm, 15 ft. lbs.)
Intake air surge tank x Intake manifold
5 mm hexagon wrench 18 Nm (184 kgf-cm, 13 ft. lbs.)
for Bolt 21 Nm (214 kgf-cm, 15 ft. lbs.)
for Nut 16 Nm (163 kgf-cm, 12 ft. lbs.)
Camshaft Bearing Cap
CAMSHAFT BEARING CAP (for Bank 1)
Temporarily install the 8 bolts in the order shown in the illustration.
Torque 10 Nm (102 kgf-cm, 7 ft. lbs.)
CAMSHAFT BEARING CAP (for Bank 2)
Temporarily install the 8 bolts in the order shown in the illustration.
Torque 10 Nm (102 kgf-cm, 7 ft. lbs.)
Main Bearing Cap
Confirm the front marks and numbers of the main bearing caps and install the bearing caps on the cylinder block.
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 inch) by marking the 2 internal bearing cap bolts as a guide.
Bolt length 100.0 to 102.0 mm (3.937 to 4.016 inch)
Using a plastic-faced 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 (4.154 to 4.232 inch)
Install the crankshaft bearing cap bolts.
HINT: 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 Nm (622 kgf-cm, 45 ft. lbs.)
If any of the main bearing cap bolts does not meet the specified torque, replace it.
Step 2
Mark the front of the bearing cap bolts with paint.
Tighten the bearing cap bolts another 90° in the order shown in step 1.
Check that the painted mark is now at a 90° angle to the front.
Check that the crankshaft turns smoothly.
Install and uniformly tighten the 8 main bearing cap bolts in several steps, in the sequence shown in the illustration.
Torque 52 Nm (530 kgf-cm, 38 ft. lbs.)
Bolt length:
45 mm (1.77 inch) for bolt A
30 mm (1.18 inch) for except bolt A
Check that the crankshaft turns smoothly.
Rod Bearing 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 Nm (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 in the order in step 1.
Check that the painted mark is now at a 90° angle to the front.
Crankshaft Pulley
Torque 250 Nm (2,549 kgf-cm, 184 ft. lbs.)
Flex Plate
Uniformly install and tighten the 8 bolts in the sequence shown in the illustration.
Torque 178 Nm (1,815 kgf-cm, 132 ft. lbs.)
Oil Pump
Oil pump cover x Timing chain cover 9.0 Nm (92 kgf-cm, 80 inch lbs.)
Plug x Oil pump cover 49 Nm (500 kgf-cm, 36 ft. lbs.)
Exhaust Manifold
EXHAUST MANIFOLD SUB-ASSEMBLY LH
Install the manifold with the 6 nuts.
Torque 21 Nm (214 kgf-cm, 15 ft. lbs.)
EXHAUST MANIFOLD SUB-ASSEMBLY RH
Install the manifold with the 6 nuts.
Torque 21 Nm (214 kgf-cm, 15 ft. lbs.)
No. 2 exhaust heat insulator x Exhaust manifold 8.5 Nm (87 kgf-cm, 75 inch lbs.)
No. 2 manifold stay x Exhaust manifold 34 Nm (347 kgf-cm, 25 ft. lbs.)
No. 2 manifold stay x Cylinder block 34 Nm (347 kgf-cm, 25 ft. lbs.)
Exhaust manifold LH x Front exhaust pipe assembly 62 Nm (632 kgf-cm, 46 ft. lbs.)
Exhaust manifold RH x Center exhaust pipe assembly 62 Nm (632 kgf-cm, 46 ft. lbs.)
Water Pump
Water pump pulley x Water pump 21 Nm (214 kgf-cm, 15 ft. lbs.)
Water pump x Cylinder block
for bolt A 21 Nm (214 kgf-cm, 15 ft. lbs.)
for bolt B 9.0 Nm (92 kgf-cm, 80 inch lbs.)
for bolt C 9.0 Nm (92 kgf-cm, 80 inch lbs.)