Assembly overview - toothed belt, engine codes CPTA, CHPA, CZEA, CZDA

1 -	Toothed belt

Before removing, mark direction of rotation with chalk or felt-tipped marker pen.

Check for wear

Removing → Chapter

Installing (adjusting valve timing), CPTA, CZEA → Anchor

Installing (adjusting valve timing), CHPA, CZDA → Anchor

2 -

Bolt

25 N·m

3 -	Tensioning roller

Removal and installation involve removing engine support → Chapter.

4 -

Bolt

Renew

8 N·m + 45°

5 -

Cap

6 -

Bolt

Renew

50 N·m + 135°

7 -	Exhaust camshaft toothed belt pulley

With camshaft adjuster

Removing and installing camshaft adjuster → Chapter.

8 -	Guide sleeve

9 -	Inlet camshaft toothed belt pulley

With camshaft adjuster

Removing and installing camshaft adjuster → Chapter.

10 -

Bolt

Renew

50 N·m + 135°

11 -

O-ring

Renew

12 -

Plug

20 N·m

Renew

13 -	Spacer sleeve

With O-ring.

Renew O-ring.

14 -	Idler pulley

15 -

Bolt

45 N·m

16 -	Crankshaft pulley

Contact surface between toothed belt pulley and crankshaft must be free from oil

Fitting possible in one position only.

Plug for “TDC” drilling in cylinder block - specified torque Note Renew O-ring if damaged. Tighten bolt -arrow- to 30 N·m.