Part I: Chain drive, assembly overview: Notes
1 - Control housing
- Lightly lubricate contact surfaces of oil seals before installing
- Removing and installing, refer to Camshafts, removing and installing
- Disassembling and assembling Disassembling and assembling control housing under Assembly overview
- Before installing control housing strainer check for contamination Check the control housing screen for contamination under Assembly overview
2 - 8 Nm
- Replace
3 - Camshaft roller chain
- Mark direction of rotation before removing (installation position) Marking roller chains
- Installing, refer to Valve timing, adjusting
4 - Exhaust camshaft adjuster
- Identification: 32A
- Only rotate engine with camshaft adjuster installed
- Installing, refer to Valve timing, adjusting
5 - Intermediate shaft
6 - Thrust washer
7 - 8 Nm
- Insert with locking fluid "D 000 600 A2"
8 - Tensioning rail
9 - Pivot pin, 18 Nm
10 - Chain tensioner, 40 Nm
- Only rotate engine with chain tensioner installed
11 - Oil seal
- Replace if damaged or leaking
12 - Chain sprocket
- Installing, refer to Valve timing, adjusting
13 - Chain sprocket
- Installing, refer to Valve timing, adjusting
14 - 60 Nm + 1 / 4 turn (90 ° )
- Replace
- Use counter-holder tool T10069 to tighten and loosen, refer to Valve timing, adjusting
15 - Chain tensioner with tensioning rail
- Before installation release the locking device in the chain tensioner with a small screwdriver and press the tensioning plate against the chain tensioner
- Only rotate engine with chain tensioner installed
16 - Drive gear
- Integral part of crankshaft
- Ground down tooth aligned with main bearing joint = TDC cyl. 1, refer to Valve timing, adjusting
17 - Roller chain
- Mark direction of rotation before removing (installation position) Marking roller chains
- Installing, refer to Valve timing, adjusting
18 - Guide rail
- Remove and install together with roller chain, refer to Valve timing, adjusting
19 - Locating pin without collar, 10 Nm
20 - 18 Nm
21 - 23 Nm
22 - Intake-camshaft adjuster
- Identification: 24E
- Only rotate engine with camshaft adjuster installed
- Installing, refer to Valve timing, adjusting
23 - 60 Nm + 1 / 4 turn (90 ° )
- Replace
- Contact surface of sender wheel must be dry around bolt head when assembling
- To remove and install, counter-hold at camshaft using an open-end wrench (32 mm), refer to Camshafts, removing and installing
24 - Guide rail
25 - Camshaft adjustment valve 1 (exhaust) N318
- For exhaust camshaft
- Before disconnecting, mark allocation of connector to component
26 - Valve 1 for camshaft adjustment N205
- For intake camshaft
- Before disconnecting, mark allocation of connector to component
27 - Guide rail
- For camshaft roller chain
- Clipped in at control housing