Cylinder Head Assembly: Specifications

Cylinder and Cylinder Head

Cylinder Head Tightening (Part 1 Of 2):

Cylinder Head Tightening (Part 2 Of 2):

Apply a thin coat of Optimoly HT, or equivalent to the cylinder head nuts and tighten them in two steps according to specified tightening sequence shown in the illustration above:
1st step: 20 Nm (18 ft. lbs.)
2nd step: turn additionally 90° ± 2°

Camshaft Housing to Heads
Cylinder Bolt (Outer M8 x 55)
Cylinder Bolt (Inner M8 x 30) 23 Nm (17 ft lb)

Camshaft Chain Sprocket Bolt
1st Stage: Setting Torque 20 Nm (15 ft lb)
2nd Stage Tightening Angle 90°

CAUTION: Fit special tool No. 9582 (1 piece cam sprocket) or tool No. 9191 (multiple piece cam sprocket), holding wrench, to the chain sprockets during tightening to reduce the strain on the chain drive and the locking devices.


Power Steering Drive
Power Steering Drive Sprocket Bolt 120 Nm

NOTE: Use Tool No. 9236 To Counterhold When Tightening.