Engine codes AEG, AVH, AZG

Engine codes AEG, AVH, AZG with steel plate cylinder head gasket 

1 - Plug 

2 - Seal 

3 - Breather housing 

• Turn to right to remove

4 - 10 Nm 

5 - Seal 

• Replace if damaged

6 - Bracket 

7 - Sealing plug, 15 Nm 

• Always replace

8 - O-ring 

• Always replace

9 - Union 

• Coolant hose schematic diagram. Refer to Coolant hose connection diagram 

10 - Lifting eye 

11 - 20 Nm 

12 - Cylinder head gasket 

• Always replace
• After replacement replace complete amount of coolant in system

13 - 15 Nm 

14 - Rear toothed belt guard 

15 - Cylinder head 

• Check for distortion. See Figure .
• Reworking sealing surface. See Figure .
• Removing and installing. Refer to Cylinder head, removing and installing 
• After replacement replace complete amount of coolant in system

16 - Cylinder head bolt 

• Always replace
• Removing and installing "Polydrive" cylinder head bolt with 3452
• Sequence when loosening and tightening. Refer to Cylinder head, removing and installing  , Removing and installing cylinder head

17 - Oil deflector 

• Replace if damaged
• Before installing gasket, coat transition between bearing cap and cylinder head with D 454 300 A2.

18 - Cylinder head cover gasket 

19 - Cylinder head cover 

20 - Reinforcing strip 

21 - Rear upper toothed belt guard