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Removing and installing heater housing - AR83.25-P-1000F

MODEL 210 

Fig 1: Identifying Heater Housing Components - Model 210 (1 Of 2)
G04636139
Fig 2: Identifying Heater Housing Components - Model 210 (2 Of 2)
G04636140
REMOVINGINSTALLING Removal, installation     
DANGER Risk of injury  to skin and eyes from scalding with hot coolant which splashes out. Risk of poisoning  from swallowing coolant. Do not open cooling system unless coolant temperature is below 90 °C. Open cap slowly and release the pressure. Do not pour coolant into beverage bottles.
Wear protective gloves, protective clothing and eye protection.
AS20.00-Z-0001-01A
1 Drain coolant Engine 111 AR20.00-P-1142HG
    Engine 112, 113 AR20.00-P-1142HA
    Engine 604, 605, 606 AR20.00-P-1142HW
    Engine 119 ra20001190100x
    Engine 120
IMPORTANTInstallation:  Pour in coolant.
ra20001200100x
2 Remove left air inlet   AR83.25-P-1403F 
3 Remove right air inlet   AR83.25-P-1404F 
4 Remove water collector   AR83.25-P-1402F
5 Pull off heater feed and return hoses, loosen 3 hose clamps IMPORTANT Plug openings (parts kit).  
6 Remove instrument panel IMPORTANTInstallation: 
Before installing the instrument panel, check for proper functioning.
AR68.10-P-1000F
N Remove center console   AR68.20-P-2000F
8 Remove air ducts in rear compartment /stowage compartment ventilation    
9 Take out left floor covering   AR68.20-P-2050F
10 Remove floor covering on right   AR68.20-P-2070F
11 Remove left/right rear compartment air ducts    
12 Pull off ignition/starter switch connector (S2/1)    
13 Remove jacket tube   AR46.10-P-0400B
14 Remove connector (19) from passenger airbag    
15 Disconnect vacuum lines at cockpit separation point (35)    
16 Separate blower motor connector    
17 Pull off coupling, vacuum valve (Y13) fresh air/recirculating air flap    
18 Pull off temperature sensor connector (29) heat exchanger (B10/1)    
19 Remove holder for jacket tube separation point (32) on brace (33)    
20 Open cable straps (27)    
21 Unclip shift lock cables (28) and detach from steering lock and pedal system IMPORTANT Vehicles with automatic transmission Code 420/425.  
22 Remove holder (30), unscrew screw (31)    
23 Remove transverse pipe (20). For this purpose, unscrew screws (23) and nuts (22)    
24 Remove air ducts for air nozzles on left and right    
25 Loosen wiring duct (25), unscrew screws (26) and lay down to side    
26 Remove heater housing    
27 Install in opposite order