System Specifications

Cylinder head





Use new cylinder head bolts and tighten by hand
Tighten 30 Nm
Tighten 60 Nm
Turn additional 90° (1/4 turn)
Turn additional 90° (1/4 turn)

Max. permissible distortion 0.1 mm

Intake manifold





Fasten intake manifold bolts in a diagonal sequence and in steps
Tightening 11 Nm
Run engine for 5 minutes
Retighten 11 Nm

Camshaft bearing caps

Tighten bearing caps - E2 -, - E4 -, - A2 - and - A4 - for intake and exhaust camshafts, alternating and in diagonal sequence.
Tighten remaining bearing caps in diagonal sequence.








Camshaft bolt

Initial tightening 40 Nm
Final tightening 100 Nm plus 90° (1/4 turn)

Exhaust manifold





* Replace nuts