Cylinder Head Assembly: Specifications
Cylinder headAlways use new cylinder head bolts
Tightening Sequence:
Cylinder Head Bolts (16)
1st step 37.3 - 41.2 Nm (3.8 - 4.2 kgf.m, 27.5 - 30.4 ft. lbs.)
2nd step 120° ± 2°
3rd step 90° ± 2°
Clyinder Head Bolt (1)
18.62 - 23.52 Nm (1.9 - 2.4 kgf.m, 13.74 - 17.36 ft. lbs.)
Flatness of cylinder head gasket surface
Standard Less than 0.05 mm (0.002 in.) [Less than 0.02 mm (0.0008 in.) /150 x 150]
Flatness of manifold gasket surface
Standard Less than 0.03 mm (0.001in)/110x110
Intake manifold
1st 3.9 - 5.9 Nm (0.4 - 0.6 kgf.m, 2.9 - 4.3 ft. lbs.)
2st 18.62 - 23.52 Nm (1.9 - 2.4 kgf.m, 13.74 - 17.36 ft. lbs.)
3st Repeat 2nd step twice or more
NOTE: Be careful of the installation direction. a - h: 1st step order 1 - 8: 2nd step order
Camshafts
1st step 5.9 Nm (0.6 kgf-m, 4.3 ft. lbs.)
2nd step 9.80 - 11.76 Nm (1.0 1.2 kgf.m, 7.23 - 8.68 ft. lbs.)
CVVT and camshaft sprocket 64.68 - 76.44 Nm (6.6 - 7.8 kgf-m, 47.74 - 56.4 ft. lbs.)
Exhaust manifold 39.2 - 44.1 Nm (4.0 4.5 kgf.m, 28.92 - 32.53 ft. lbs.)