Toothed belt drive, overview: Notes

Before removing ribbed belt, mark running direction with chalk or felt tip marker. A reversed turning direction can cause damage to belt under operating conditions.

Fig 1: Toothed Belt Drive, Overview

Courtesy of VOLKSWAGEN UNITED STATES, INC.

1 - 10 Nm

2 - Toothed belt cover, upper

3 - 50 Nm plus an additional 180 ° (¹ /₂ turn)

• Use Retainer 3036 for loosening and tightening Loosening camshaft sprocket 

4 - Camshaft sprocket

• When removing and installing, remove toothed belt → Toothed belt, removing and installing 
• Camshaft sprocket, removing Pulling off camshaft sprocket 

5 - 10 Nm

• Insert with locking fluid
• Locking fluid

6 - Rear toothed belt cover

7 - Woodruff key

• Check for secure seat

8 - 25 Nm

9 - Semi-automatic tensioning roller

10 - Coolant pump

• Removing and installing → Coolant pump, removing and installing 

11 - O-ring

• Replace

12 - 25 Nm

13 - Damper roller

14 - 15 Nm

15 - 35 Nm

16 - Damper roller

17 - Sealing flange

• Removing and installing → Front sealing flange, removing and installing 

18 - Toothed belt gear diamond disc

• Replace after removing toothed belt gear

19 - Crankshaft toothed belt sprocket

• There must be no oil on contact surface between toothed belt sprocket and crankshaft
• Only possible to install in one position

20 - 90 Nm plus an additional 90 ° (¹ /₄ turn)

• Replace
• Do not oil
• Fastening Counter Support 3415 Crankshaft toothed belt sprocket, removing and installing 

21 - Toothed belt

• Before removing, mark direction of rotation using chalk or felt-tip marker
• Check for wear
• Removing → Toothed belt, removing and installing 
• Installing (adjusting valve timing) → Toothed belt, removing and installing 

22 - Toothed belt cover, lower

23 - Cover for toothed belt guard