Remove/install heater housing

AR83.25-D-1000FD

Remove/install heater housing

04.06.2013

MODEL

909

without CODE HH9 (Regulated air conditioning (Tempmatic))

1

Heater housing

2

Electrical line

3

Electrical connector

4

Screw

 

Remove/install

 Danger !

Risk of explosion from explosive gas. Risk of poisoning and caustic burns from swallowing battery electrolyte. Risk of injury through burns to skin and eyes from battery acid or when handling damaged lead-acid batteries

No fires, sparks, open flames or smoking. Wear acid-resistant gloves, clothing and glasses. Only pour battery acid into suitable and appropriately marked containers.

AS54.10-Z-0001-01A

1

Disconnect ground line from battery



Notes on battery

AH54.10-P-0001-01A

2

Remove cover of radio installation slot

3

Remove glove box

4

Remove stowage compartment below pen holder

5

Remove covering on instrument cluster

AR68.10-D-1550F

6

Remove instrument cluster

AR54.30-D-6015F

7

Remove stowage compartment above glove compartment

AR68.10-D-1515F

8

Remove speaker

AR82.62-D-7833F

9

Remove cover on center part of dashboard

AR68.10-D-1190F

10

Remove air conditioning pushbutton control unit

AR83.25-D-1124FB

 Installation: If the wires of the air distribution or the heater control were removed:



Adjust air distribution control cables

AR83.10-D-1400-01F

Adjust heater control cable

AR83.20-D-1400-01F

11

Remove drawer

AR68.10-D-1195F

12

Remove top part of dashboard

AR68.10-D-1020F

13

Remove central electric unit

AR54.25-D-1382F

14

Remove air nozzles in instrument panel

AR68.10-D-1110F

15

Remove dashboard

AR68.10-D-1000F

16

Detach ventilation box and put down on engine

AR83.10-D-0010-03F

17

Remove coolant hoses at heater housing (1) at front

AR83.25-D-1000-01FB

 Catch coolant with suitable vessel.

18

Remove air ducts

AR83.25-D-1000-02F

19

Expose electrical line (2) and disconnect electrical connector (3)

20

Remove screws/bolts (4)

21

Remove heater housing (1)

 Installation: Ensure that electrical line (2) is routed correctly to heater housing (1). Check seals for the air outlet and inlet openings, replace if necessary

22

Install in the reverse order

23

Set time on instrument cluster

24

Set time on timer for auxiliary heater

MODEL 909
with CODE H12 (Auxiliary heater (warm water))
without CODE HH9 (Regulated air conditioning (Tempmatic))
MODEL 909
with CODE H86 (Chronometer with relay for independent heating)
without CODE HH9 (Regulated air conditioning (Tempmatic))
MODEL 909
with CODE HZ5 (10 kW warm water auxiliary heater with timer)
without CODE HH9 (Regulated air conditioning (Tempmatic))

25

Connect diagnostic system and perform quick test



AD00.00-D-2000-04F

 Delete DTC memory if necessary.