Part I: Notes
1 - Control housing
- Lubricate contact surfaces of oil seal when installing
- Removing and installing → Camshafts, removing and installing , Removing and installing camshaft
- Disassembling and assembling, Disassembling and assembling control housing under Valve gear, servicing
- Check screen of control housing for soiling before installing, Checking control housing screen for soiling under Valve gear, servicing
2 - 8 Nm
- Replace
3 - Camshaft roller chain
- Mark direction of rotation before removing (installation position) Marking roller chains under Engine, disassembling and assembling
- Installing → Valve timing, adjusting
4 - Exhaust camshaft timing adjuster
- Marking: 32A
- Turn engine over only when camshaft timing adjuster is installed
- Check camshaft timing adjustment → Camshaft adjustment, checking
- Installing → Valve timing, adjusting
5 - Intermediate shaft
6 - Thrust washer
7 - 8 Nm
- Insert with locking compound D 000 600 A2
8 - Tensioning plate
9 - Mounting stud, 10 Nm
10 - Chain tensioner, 40 Nm
- Turn engine over only when chain tensioner is installed
11 - Seal
- Replace if damaged or leaking
12 - Chain sprocket
- Installing → Valve timing, adjusting
13 - Chain sprocket
- Installing → Valve timing, adjusting
14 - 60 Nm plus additional 1 / 4 turn (90 ° ) further
- Replace
- Use Counter support T10069 to loosen and tighten → 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
- Turn engine over only when chain tensioner is installed
16 - Drive sprocket
- Integral part of crankshaft
- Ground down tooth aligned with main bearing joint = TDC cyl. 1 → Valve timing, adjusting
17 - Roller chain
- Mark direction of rotation before removing (installation position) Marking roller chains under Engine, disassembling and assembling
- Installing → Valve timing, adjusting
18 - Guide rail
- Remove and install together with roller chain → Valve timing, adjusting
19 - Stud without collar, 10 Nm
20 - 10 Nm
21 - 23 Nm
22 - Intake camshaft timing adjuster
- Marking: 24E
- Turn engine over only when camshaft timing adjuster is installed
- Check camshaft timing adjustment → Camshaft adjustment, checking
- Installing → Valve timing, adjusting
23 - 60 Nm plus additional 1 / 4 turn (90 ° ) further
- Replace
- Contact surface of sensor wheel on bolt head must be dry for assembly
- To remove and install, use a 32 mm open jaw spanner on camshaft to counter support → Camshafts, removing and installing ; Removing and installing camshaft
24 - Guide rail
25 - Camshaft adjustment valve 2 (exhaust) N318
- Check camshaft timing adjustment → Camshaft adjustment, checking
- Mark connector and component before pulling connector off
- Checking activation: → 01 ON BOARD DIAGNOSTIC (OBD)
26 - Valve 1 for camshaft adjustment N205
- For intake camshaft
- Check camshaft timing adjustment → Camshaft adjustment, checking
- Mark connector and component before pulling connector off
- Checking activation: → 01 ON BOARD DIAGNOSTIC (OBD)
27 - Guide rail
- Clipped into control housing