Cylinder Head Assembly: Specifications

Cylinder Head Bolts

Tighten cylinder head bolts in numerical order as shown in the figure with cylinder head bolts wrench (commercial service tool).





A: Bank 1
B: Bank 2
Arrow: Engine front

Tighten all cylinder head bolts 105 N-m (11 kg-m, 77 ft-lb)
Completely loosen all bolts in reverse order to 0 N-m (0 kg-m, 0 ft-lb)
Tighten all cylinder head bolts 40.0 N-m (4.1 kg-m, 30 ft-lb)
Tighten all cylinder head bolts 95° clockwise
Tighten all cylinder head bolts again 95° clockwise

Cylinder Head Bolt Inspection





Whenever the size difference between (C) and (B) exceeds the limit, replace bolts with new ones.

Limit [(C) - (B)] 0.18 mm (0.0071 in)

A: Measuring point
e: 48 mm (1.89 in)
d: 11 mm (0.43 in)

If reduction of outer diameter appears in a position other than (B), use it as (B) point.

Camshaft Bracket Bolts

Tighten camshaft bracket bolts in the following steps, in numerical
order as shown in the figure.





Arrow: Engine front

CAUTION:
Do not reuse washers.

Tighten No. 7 to 10 1.96 N-m (0.20 kg-m, 1 ft-lb)
Tighten No. 1 to 6 1.96 N-m (0.20 kg-m, 1 ft-lb)
Tighten No. 1 to 10 5.88 N-m (0.60 kg-m, 4 ft-lb)
Tighten No. 1 to 10 10.4 N-m (1.1 kg-m, 8 ft-lb)

Intake Manifold Fasteners Tightening Specifications

Exhaust Manifold Fasteners Specifications

Camshaft Sprocket Bolts Specifications