Cylinder Head Assembly: Locations

Assembly overview

Note:
^ When using an exchanged cylinder head with camshafts installed, the contact surfaces between the lifters and cam lobes must be lubricated before installing the cylinder head cover.
^ The plastic protectors installed to protect the open valves must only be removed immediately before fitting the cylinder head.
^ When cylinder head or cylinder head gasket is replaced, all coolant must also be replaced.





1 - Pipe
^ For crankcase ventilation

2 - Pressure line
^ For combination valve

3 - 10 Nm

4 - Cylinder head cover

5 - Seal for cylinder head cover
^ Replace if damaged
^ Before installing, coat sealing contact surfaces between bearing cap and cylinder head with D 454 300 A2 and

6 - Oil scraper
^ Note installed position:
- Above intake camshaft

7 - 25 Nm

8 - Lifting eye

9 - Cylinder head
^ Check for distortion
^ Resurfacing sealing surfaces
^ After replacing replace coolant completely

10 - Gasket for intake manifold
^ Always replace

11 - Cylinder head gasket
^ Always replace
^ Metal gasket
^ After replacing replace entire amount of coolant
^ Note installed position:
- Part number must be visible from intake side

12 - Gasket for exhaust manifold
^ Replace
^ Note installation position

13 - Cylinder head bolt
^ Replace

14 - Cap
^ Replace seal if damaged

15 - 10 Nm





Checking cylinder head for distortion
Max. permissible distortion: 0.1 mm