Cylinder Head Assembly: Specifications

Cylinder Head

CAUTION: Use care when installing the cylinder head. Damage to the cylinder block and or the cylinder head may result.

NOTE: Make sure the cylinder head is installed in its original position.

NOTE: Tighten the retaining bolts in the indicated sequence in six stages.

Install the cylinder head and install new cylinder head retaining bolts and washers.
Stage 1: tighten to 30 Nm.
Stage 2: tighten 90 degrees.
Stage 3: loosen 360 degrees.
Stage 4: tighten to 30 Nm.
Stage 5: tighten 90 degrees.
Stage 6: tighten 90 degrees.

Camshaft Bearing Cap Bolts

Install the camshaft bearing cap retaining bolts evenly.
Tighten the retaining bolts in the sequence shown to 10 Nm.

Exhaust Manifold LH - VIN Range: M45255->N52206





Install a new left-hand exhaust manifold gasket.
Tighten to 20 Nm.





Exhaust Manifold LH - VIN Range: N52207->N99999

Install a new left-hand exhaust manifold gasket.
Tighten to 20 Nm.

Install a new left-hand exhaust manifold gasket.
Tighten to 20 Nm.

Exhaust Manifold LH - VIN Range: N52207->N99999

Install a new left-hand exhaust manifold gasket.
Tighten to 20 Nm.

Intake Manifold





NOTE: The intake manifold retaining bolts in position 1, 4 and 5 are longer than the retaining bolts in position 2, 3 and 6.

Tighten to 10 Nm.
Complete the tightening sequence.

Lower Intake Manifold





Tighten the retaining bolts in the sequence
Tighten to 10 Nm.