Cylinder Head

Cylinder Head





^ Cylinder head bolts are tightened by plastic zone tightening method. Whenever the size difference between d1 and d2 exceeds the limit, replace the bolts with new ones.
Limit (d1 - d2) 0.23 mm (0.0091 inch) or less
^ If reduction of outer diameter appears in a position other than d2, use it as d2 point.








Tighten the cylinder head bolts in six steps in the order shown.

Cylinder head bolts
Step 1 50.0 Nm (5.1 kg-m, 37 ft. lbs.)
Step 2 60° clockwise
Step 3 0 Nm (0 kg-m, 0 ft. lbs.) (loosen)
Step 4 34.3 - 44.1 Nm (3.5 - 4.4 kg-m, 26 - 32 ft. lbs.)
Step 5 75° - 80° (target: 75°) clockwise
Step 6 75° - 80° (target: 75°) clockwise