Camshaft, Lifters and Push Rods: Locations

Valvetrain, component overview





1 - 5 Nm plus an additional 1/4 turn (90° )
^ Replace

2 - Housing for camshaft adjustment solenoid valve
3 - Gasket
^ Replace

4 - Valve stem seal
5 - Valve spring
6 - Valve spring plate
7 - Valve keepers
8 - Hydraulic valve lifter
^ Pressed into roller rocker lever
^ Not removable without being damaged

9 - Roller rocker lever
10 - Alignment bushing
^ 2 pieces

11 - Double bearing cap
12 - 5 Nm plus an additional 1/4 turn (90°)
^ Replace

13 - Oil deflector
^ On cylinder head at right between bearing cap E4 and A4
^ On cylinder head at left between bearing cap E2 and A2

14 - 5 Nm plus an additional 1/4 turn (90°)
^ Replace

15 - Bearing cap
^ Note installation position and allocation

16 - Intake camshaft
^ Check radial clearance using Plastigage (roller rocker lever removed) wear limit 0.1 mm run-out max. 0.01 mm

17 - Exhaust camshaft
^ Check radial clearance using Plastigage (roller rocker lever removed) wear limit 0.1 mm run-out max. 0.01 mm

18 - Shaft for roller rocker lever, intake side
19 - 10 Nm
20 - Shaft for roller rocker lever, exhaust side
21 - O-ring for shaft of roller rocker lever
^ Replace

22 - Cylinder head
23 - Intake valve
^ Do not rework, only lapping is permitted

24 - Exhaust valve
^ Do not rework, only lapping is permitted