Camshaft, Lifters and Push Rods: Locations
Valvetrain, assembly overview
1. Intake camshaft
^ Check radial clearance with Plastigage(R), Wear limit: 0.1 mm
^ Run-out: max. 0.01 mm
2. Camshaft bearing cap
3. Exhaust camshaft
^ Check radial clearance with Plastigage(R), Wear limit: 0.1 mm
^ Run-out: max. 0.01 mm
4. 5 Nm plus an additional 1/8 turn (45°)
5. Seal
^ If seal is leaking, replace completely
^ Coat contact surfaces of sealing rings when installing control housing.
^ Do not spread sealing rings excessively when inserting
6. Control housing
^ Oil contact surface of sealing rings before installing
^ Check control housing strainer for soiling before installation
7. 8 Nm
8. Exhaust camshaft adjuster
^ Identification: 32A
^ Rotate engine only with camshaft adjuster installed and chain installed
9. Intake camshaft adjuster
^ Identification: 24E
^ Rotate engine only with camshaft adjuster installed and chain installed
10. 60 Nm plus an additional 1/4 turn (90°)
^ Replace
^ Contact surface of sensor wheel at bolt head must be dry when installing
^ To remove and install, counter-hold at crankshaft using an open-end wrench (24 mm)
11. Cylinder head height
^ Minimum height: a = 139.9 mm
12. Drive pinion for high pressure pump
^ With needle bearing lying inside
^ Oil needle bearing before installing
13. Bearing shaft
^ Ring groove in shaft points forward
14. Valves
^ Do not rework, only lapping is permitted
15. Alignment bushing
16. Cylinder head
^ Check for distortion
^ After replacing replace entire amount of coolant
17. Pump plunger
^ Note installation position
18. Support element
^ Before installing, check axial play in camshafts
^ Do not interchange
^ With hydraulic valve clearance compensation
19. Valve stem seal
20. Camshaft roller chain
^ Mark direction of rotation before removing (installation position)
21. Securing clip
^ Check for secure seat
22. Roller rocker lever
^ Before installing, check axial play in camshafts
^ Do not interchange
^ Check roller for easy movement
^ Lubricate contact surface
^ Use securing clip to clip onto support element when installing
23. Valve spring
^ Note installation position
24. Valve spring plate
25. Valve keepers