Tightening Specifications

Cylinder Head Bolts

Outer Diameter Inspection





- Whenever size difference between (B) and (A) exceeds limit, replace the bolt.

Limit [(B) - (A)] 0.18 mm (0.0071 in)
c 55 mm (2.17 in)
d 12 mm (0.47 in)

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

Tightening Sequence





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

First pass 40.0 N-m (4.1 kg-m, 30 ft-lb)
Second pass Tighten 75°
Third pass Completely loosen all bolts in reverse order
Fourth pass 40.0 N-m (4.1 kg-m, 30 ft-lb)
Fifth pass Tighten 90°
Final pass Tighten 90°

Camshaft Bearing Cap Mounting Bolts





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

First pass 1.96 N-m (0.20 kg-m, 1 ft-lb)
Second pass 5.88 N-m (0.60 kg-m, 4 ft-lb)
Final pass 10.4 N-m (1.1 kg-m, 8 ft-lb)

Intake Manifold Bolts Specifications

Exhaust Manifold Studs and Nuts Tightening Specifications

Camshaft Gear/Sprocket Bolts Specifications