Toothed Belt Drive Assembly Overview
Toothed Belt Drive Assembly Overview
1 Toothed Belt
• Mark direction of rotation before removing
• Check for wear
• Do not kink
• Removing and installing, refer to --> [ Toothed Belt, Removing, Installing and Tensioning ] Toothed Belt, Removing, Installing and Tensioning.
2 120 Nm plus an additional 1/4 turn (90°)
• Replace
• Use counter-holder (3415) to loosen and tighten
• Do not lubricate or grease the threads or collar
• Additional rotation can occur in several stages
3 Crankshaft Toothed Belt Sprocket
4 20 Nm
5 Idler Roller
6 20 Nm plus an additional 1/8 turn (45°)
• Replace
7 Tensioning roller
• Remove engine bracket to remove and install --> [ Engine Bracket ] Service and Repair.
8 20 Nm plus an additional 1/4 turn (90°)
• Replace
9 Camshaft Sprocket
10 25 Nm
11 100 Nm
12 Hub
• Use counter-holder (T10051) to loosen and tighten
• To remove, use pulling fixture (T10052)
• Removing and installing, refer to --> [ Camshafts ] Camshafts.
13 Rear Toothed Belt Guard
14 20 Nm
15 10 Nm
• Replace
16 Idler Roller
17 50 Nm plus an additional 1/4 turn (90°)
• Replace
18 Hub
• Use counter-holder (T10051) to loosen and tighten
• Use ignition coil puller (T40064) to remove.
• Removing and installing, refer to --> [ High Pressure Fuel Pump ] High Pressure Fuel Pump.
19 95 Nm
20 High Pressure Fuel Pump Toothed Belt Sprocket
21 20 Nm plus an additional 1/4 turn (90°)
• Replace
22 Coolant Pump
• Removing and installing, refer to --> [ Coolant Pump ] Service and Repair.
23 15 Nm
24 Upper Toothed Belt Guard
• Installing, refer to --> [ Install The Upper Toothed Belt Guard ]
25 Lower Toothed Belt Guard
26 Center Toothed Belt Guard
27 10 Nm
• Replace
28 10 Nm plus an additional 1/4 turn (90°)
• Replace
29 Belt Pulley/Vibration Damper
• Only possible to install in one position - bores are offset
30 5 Nm
31 Protective Plate
32 40 Nm plus an additional 1/2 turn (180°)
• Replace
• Observe tightening sequence. Refer to --> [ Engine Bracket to Cylinder Block Tightening Sequence ] Subframe Mount Assembly Overview
33 Engine Mount
• Removing and installing, refer to --> [ Engine Bracket ] Service and Repair.
Install The Upper Toothed Belt Guard
- Make sure the upper toothed belt guard section is clipped to the cylinder head cover correctly.
• The illustration shows the camshaft sprocket removed.
- Press upper section of the toothed belt guard in the area with the clips - arrows - against the cylinder head cover until the clips engage with each other. Use a screwdriver to press the guard if necessary.
- Check clearance between the hub and the upper section of the toothed belt guard.