Engine: Locations
Assembly overview
Part I - Poly V-belt drive
Part I - Poly V-belt drive:
1 - Poly V-belt
^ Mark direction of rotation before removing.
^ Check for wear
^ Do not kink
2 - 10 Nm plus 1/4 turn (90°)
3 - Belt pulley/vibration damper
^ Can only be installed in one position. Holes are offset
4 - 25 Nm
5 - Tensioning element for poly V-belt
^ Turn with open end wrench to relieve tension on poly V-belt
6 - Generator
7 - Compact bracket
^ for Generator, air conditioning compressor and power steering pump
8 - 45 Nm
^ Note tightening sequence
9 - Banjo bolt, 30 Nm
10 - Oil seal
^ Replace
11 - Pressure pipe
12 - Power steering pump
13 - Belt pulley
^ For power steering pump
Part II - Toothed belt drive with hydraulic tensioning device
Part II - Toothed belt drive with hydraulic tensioning device:
1 - Toothed belt guard - upper part
2 - Toothed belt
^ Mark direction of rotation before removing
^ Check for wear
^ Do not kink
3 - 20 Nm plus 1/8 turn (45°)
4 - Tensioning roller
5 - 100 Nm
6 - 25 Nm
7 - Camshaft pulley
8 - Hub
^ With sender wheel
^ Use counterhold T10051
^ To remove use puller T10052
9 - 10 Nm
^ Replace
10 - Rear toothed belt guard
11 - Sealing grommet
^ Replace if damaged
12 - Tensioning element for toothed belt
13 - Idler roller
14 - Coolant pump
15 - Crankshaft toothed belt pulley
16 - 120 Nm plus 1/4 turn (90°)
^ Replace
^ Use spur belt spreading 3099 to loosen and tighten
^ Do not additionally oil or grease threads and shoulder
^ 90° turn further can be done in several stages
17 - 15 Nm
18 - 20 Nm
19 - Toothed belt guard - lower part
20 - Belt pulley/vibration damper
^ Can only be installed in one position. Holes are offset
21 - 10 Nm plus 1/4 turn (90°)
22 - Cover
23 - Toothed belt guard - middle part
24 - 45 Nm
25 - Engine bracket
Part III - Toothed belt drive with friction dampened tensioning device
Part III - Toothed belt drive with friction dampened tensioning device:
1 - Toothed belt guard - upper part
2 - Toothed belt
^ Mark direction of rotation before removing
^ Check for wear
^ Do not kink
3 - 20 Nm plus 1/8 turn (45°)
4 - Tensioning roller
5 - 100 Nm
6 - 25 Nm
7 - Camshaft pulley
8 - Hub,
^ With sender wheel
^ Use counterhold T10051
^ To remove use puller T10052
9 - 10 Nm
^ Replace
10 - Rear toothed belt guard
11 - Sealing grommet
^ Replace if damaged
12 - Idler roller
13 - Coolant pump
14 - Crankshaft toothed belt pulley
15 - 120 Nm plus 1/4 turn (90°)
^ Replace
^ Use spur belt spreading 3099 to loosen and tighten
^ Do not additionally oil or grease threads and shoulder
^ 90° turn further can be done in several stages
16 - 15 Nm
17 - 20 Nm
18 - Toothed belt guard - lower part
19 - Belt pulley/vibration damper
^ Can only be installed in one position. Holes are offset
20 - 10 Nm plus 1/4 turn (90°)
21 - Cover
22 - Toothed belt guard - middle part
23 - 45 Nm
24 - Engine bracket
Part IV - Attachments
Part IV - Attachments:
1 - Cylinder block
2 - 3.5 Nm
3 - Bracket
4 - Vacuum reservoir
5 - 40 Nm
6 - Seal
^ Replace
7 - Oil filter bracket
^ Assembly overview
8 - 15 Nm1/4 turn (90°)
^ Replace
^ First fit upper left and lower right bolt, then tighten all four bolts diagonally
9 - 15 Nm
10 - Engine speed (RPM) sensor -G28-
11 - Pipe union
^ For thermostat
12 - O-ring
^ Replace
13 - Thermostat
^ Observe installation position
^ Checking: Heat-up thermostat in water-
- Starts to open: approximately 85 °C-
- Opening ends: approximately 105C
- Opening lift: minimum 7mm
14 - 45 Nm
^ Note tightening sequence
15 - Compact bracket,
^ for Generator, air conditioning compressor and power steering pump
16 - Tensioning element for poly V-belt
^ Turn with open jaw spanner to relieve tension on poly V-belt
17 - 25 Nm
18 - Oil pan
^ Clean sealing surfaces before installing.
^ Install with silicone sealing compound D176404 A2
Tightening sequence for compact bracket to cylinder block
- Mount compact bracket to cylinder block (observe dowel sleeves between compact bracket and cylinder block).
- Tighten compact bracket in tightening sequence as follows:
1. Tighten bolt A, 45 Nm
2. Tighten bolt B, 45 Nm
3. Tighten bolt C, 45 Nm
4. Tighten bolt D, 45 Nm
5. Tighten bolt E, 45 Nm
6. Tighten bolt F, 45 Nm