Cylinder Head Assembly: Specifications

Cylinder Head Bolt No.1* (a):
Tightening torque (20 Nm -> 40 Nm -> +60� -> +80� (2.0 kgf-m -> 4.1 kgf-m -> +60� -> +80�, 15.0 lbf-ft -> 29.5 lbf-ft -> +60� -> +80�))

Cylinder Head Bolt No.2 (b):
Tightening torque 25 Nm (2.5 kgf-m, 18.5 lbf-ft)





Note:
Tighten cylinder head bolts No.1 in numerical order ("1" - "10") evenly and gradually.


Bolt Re-usability
Note:
When cylinder head bolts No. 1 are reused, make sure that they are not deformed exceeding the service limit referring to Cylinder Head Bolt No.1 Inspection Cylinder Head Bolt No.1 Inspection.




Distortion of mating surface of cylinder head and cylinder head gasket
Limit 0.03 mm (0.0011 in.)










Distortion of seating face of intake manifold and exhaust manifold on cylinder head
Limit 0.05 mm (0.0019 in.)












Camshaft Housing Bolt
Tightening torque 11 Nm (1.1 kgf-m, 8.5 lbf-ft)





Note:
Tighten camshaft housing bolts in numerical order ("1" - "21") evenly and gradually.


Exhaust Manifold Specifications
Camshaft Gear/Sprocket Specifications