Timing Belt: Testing and Inspection

Toothed Belt Component Overview

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.





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, refer to => [ Toothed Belt ] Service and Repair

• Installed position is fixed by woodruff key => [ (Item 7) Woodruff key ]

• Camshaft sprocket, removing => [ Pulling off camshaft sprocket ]

5 10 Nm

• Insert with 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, refer to => [ Coolant Pump ] Service and Repair

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, refer to => [ Front Sealing Flange ] Service and Repair

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, refer to => [ Toothed Belt ] Service and Repair

• Installing (adjusting valve timing), refer to => [ Toothed Belt ] Service and Repair

22 Toothed belt cover, lower

23 Cover for toothed belt guard

Loosening camshaft sprocket





- When loosening and tightening centered bolt, use Retainer (3036).

Pulling off camshaft sprocket





- Remove camshaft sprocket using puller (T40001 ) and Claw (T40001/6) and Claw (T40001/7).

Crankshaft toothed belt sprocket, removing and installing





- When loosening and tightening centered bolt, use Retainer (3415).