Assembly overview - auxiliary heater, interior

1 -

Bolts

7 N·m

2 -	Heat exchanger

Removing and installing → Chapter.

3 -

Seal

Must be renewed after every opening.

Note fitting position.

4 -	Burner tube

Removing and installing → Chapter.

5 -	Glow plug with flame monitoring -Q8-

Ensure correct seating.

Removing and installing → Chapter.

6 -	Cover for auxiliary heater control unit -J364-.

Removing and installing → Chapter.

7 -

Cover

8 -	Auxiliary heater control unit -J364- with combustion air blower -V6-

Note The auxiliary heater control unit -J364- and the combustion air blower -V6- with housing form one component and cannot be dismantled. The reason is the seal between the auxiliary heater control unit -J364- and the housing.

9 -	Noise insulation

10 -

Cover

Removing and installing → Chapter.

11 -	Coolant connection

Mark installation position before detaching

12 -

O-rings

Renew.

13 -	Retaining plate

14 -

Bolt

4 N·m

15 -	Coolant connection

Mark installation position before detaching

16 -	Temperature sensor -G18-

Removing and installing → Chapter.

17 -	Retaining spring

18 -

Bolt

4 N·m

19 -	Overheating sensor -G189-

Removing and installing → Chapter.