Engine: Locations

Part I





1. Control housing
^ Oil contact surface of sealing rings before installing
^ Check control housing strainer for soiling before installation
2. 8 Nm
^ Replace
^ Bolt is "micro-encapsulated"
3. Camshaft roller chain
^ Mark direction of rotation before removing (installation position)
4. Exhaust camshaft adjuster
^ Identification: 32A
5. Seal
^ Replace
6. Oil pump
7. 8 Nm
^ Replace
8. Tensioning rail
9. Chain tensioner, 40 Nm
^ Only rotate engine with chain tensioner installed
10. Seal
^ Replace if damaged or leaking
11. Pivot pin, 18 Nm
12. Chain sprocket
13. Chain sprocket
14. 60 Nm plus an additional 1/4 turn (90°)
^ Only use bolts with strength category 10.9
^ Replace
15. Chain tensioner with tensioning rail
^ Before installation release locking device in chain tensioner with a small screwdriver and press tensioning plate against 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
17. Roller chain
^ Mark direction of rotation before removing (installation position)
18. Guide rail
^ Remove and install together with roller chain
19. Locating pin without collar, 10 Nm
20. 10 Nm
21. 23 Nm
22. 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)
23. Guide rail
24. Drive gear
^ For high pressure pump
25. Intake camshaft adjuster
^ Identification: 24E
26. Camshaft Adjustment Valve 1 (exhaust) N318
^ For exhaust camshaft
^ Before disconnecting, mark allocation of connector to component
27. Camshaft Adjustment Valve 1 N205
28. Guide rail
^ Clipped in at control housing





Marking roller chains
- Mark roller chains before removing (e.g. with paint, arrow pointing in direction of rotation).

Note:
^ Do not mark chain using a center punch or similar means!

Part II





1. 50 Nm plus an additional 1/4 turn (90°)
^ Replace
2. Engine mount
3. Oil dipstick
^ Oil level must not be above max. mark!
4. Guide tube
^ For oil dipstick
^ Secured by a bolt to intake manifold
5. 6 Nm
^ Fastened to intake manifold
6. Cylinder block
7. Oil check valve
^ Note installation position
^ Clean if badly soiled
8. Knock Sensor (KS) 1 G61
^ Component location: between cyl. 1 and cyl. 3
9. 20 Nm
^ Torque setting influences function of knock sensor
10. 8 Nm
^ Replace
11. Chain sprocket
12. 60 Nm plus an additional 1/4 turn (90°)
^ Only use bolts with strength category 10.9
^ Replace
13. Oil pump
14. Seal
^ Replace
^ Oil before assembling
15. O-ring
^ Replace
16. Gasket
^ Replace
17. Flange
^ Note installation position
18. Oil pressure line
19. Oil drain plug, 30 Nm
^ With permanent sealing ring
^ Replace
20. Oil pan
21. 10 Nm
22. Oil Level Thermal Sensor G266
23. 12 Nm
24. Suction line
^ For oil pump
25. Engine speed (RPM) sensor G28
26. 10 Nm
27. Oil filter housing
28. 23 Nm
29. Fitting bolt, 23 Nm
30. Knock Sensor (KS) 2 G66
^ Component location: between cyl. 4 and cyl. 6
31. 23 Nm
32. Compact bracket
^ For generator and A/C compressor
^ Install on cylinder block
33. Vibration damper
34. 100 Nm plus an additional 1/2 turn (180°)
^ Replace
^ Turning further may be performed in several stages





Install bracket on cylinder block
- First tighten fitting bolts - 2 and 4 - hand-tight.-
- Then tighten bolts - 1, 3 and 5 - hand-tight.
- Now tighten all bolts to a tightening torque of 23 Nm in diagonal sequence.





To loosen and tighten securing bolt, lock vibration damper using counter-holder tool T10069

Note:
^ Vibration damper securing bolt must be replaced.
^ Tighten securing bolt using torque wrench V.A.G. 1601.