Cylinder Head Assembly

Cylinder Head Bolt Tightening Sequence and Specification: Cylinder Head with Screwdriver Access





Replace the Cylinder Head Bolts
Tighten the cylinder head bolts in - 1 to 8 - sequence
First step 40 Nm
Second step tighten additional 90°
Third step tighten additional 90°
Tighten the bolts - arrows - 8 Nm
Tighten the bolts - arrows - additional 90°





Install the bolts - 1 and 2 -.
First step 40 Nm
Second step tighten additional 90°
Third step tighten additional 90°


Cylinder Head Bolt Tightening Sequence and Specification: Cylinder Head without Screwdriver Access





Replace the Cylinder Head Bolts
Tighten the cylinder head bolts in - 1 to 10 - sequence
First step 40 Nm
Second step tighten additional 90°
Third step tighten additional 90°
Tighten the bolts - arrows - 8 Nm
Tighten the bolts - arrows - additional 90°


Checking Cylinder Head for Distortion





Check the cylinder head in several places for distortion using a straight edge and a feeler gauge.

Maximum permissible distortion 0.05 mm

Cylinder Head Cover Tightening Sequence and Specification





Replace the bolts
Hand tighten the bolts in several steps in - 1 to 6 - sequence.
Tighten the bolts in a - 1 to 6 - sequence to 8 Nm.
Tighten the bolts in a - 1 to 6 - sequence an additional 90°.
Make sure the cylinder head cover is not tilted.

Intake Manifold Fasteners Specifications

Exhaust Manifold Fasteners Specifications