Cylinder Head Assembly: Specifications
CYLINDER HEAD (for Bank 1)If a stud bolt is deformed or the threads are damaged, replace it.
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 N*m (367 kgf*cm, 27 ft.*lbf)
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 marks are now facing rearward.
CYLINDER HEAD (for Bank 2)
If a stud bolt is deformed or the threads are damaged, replace it.
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 N*m (367 kgf*cm, 27 ft.*lbf)
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 marks are now facing rearward.
Install the 2 bolts in the order shown in the illustration.
Torque 30 N*m (306 kgf*cm, 22 ft.*lbf)
Cylinder head sub-assembly
Standard warpage
Cylinder head lower side 0.05 mm (0.0020 in.)
Intake side 0.08 mm (0.0031 in.)
Exhaust side 0.08 mm (0.0031 in.)
Maximum warpage 0.10 mm (0.0039 in)
CAMSHAFT BEARING CAP (for Bank 1)
Uniformly install the 9 bolts in several steps in the order shown in the illustration.
Torque 10 N*m (102 kgf*cm, 7 ft.*lbf)
CAMSHAFT BEARING CAP (for Bank 2)
Uniformly install the 8 bolts in several steps in the order shown in the illustration.
Torque 10 N*m (102 kgf*cm, 7 ft.*lbf)
EXHAUST MANIFOLD LH
Install the exhaust manifold to the cylinder head with the 6 nuts in the order shown in the illustration.
Torque 21 N*m (214 kgf*cm, 15 ft.*lbf)
EXHAUST MANIFOLD RH
Install the exhaust manifold to the cylinder head with the 6 nuts in the order shown in the illustration.
Torque 21 N*m (214 kgf*cm, 15 ft.*lbf)