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Remove/install low temperature water circuit radiator - AR09.41-P-6935ELB

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ENGINE 157 in MODEL 212, 218 with TRANSMISSION 722.9 

ENGINE 278 in MODEL 207, 212, 218 

Shown on model 212.073 

Fig 1: Low Temperature Water Circuit Radiator Remove/Install Components - Shown On Model 212.073 (1 Of 2)
G09974929Courtesy of MERCEDES-BENZ USA

Shown on model 212.073 

Fig 2: Low Temperature Water Circuit Radiator Remove/Install Components - Shown On Model 212.073 (2 Of 2)
G09974930Courtesy of MERCEDES-BENZ USA
REMOVINGINSTALLING Remove/install     
1 Drain air conditioning system   AR83.30-P-1760CW
2 Remove radiator (20) ENGINE 157 in MODEL 212, 218 with TRANSMISSION 722.9 (except 722.93) ENGINE 157 in MODEL 212, 218 with TRANSMISSION 722.9 (except 722.97) ENGINE 278 in MODEL 207, 212, 218 AR20.20-P-3865ELB
3 Detach Low-temperature water circuit coolant lines (11, 12) at radiator for low-temperature water circuit (21)    
4 Detach refrigerant lines (13, 14) for A/C on condenser (24) ENGINE 157, 278 in MODEL 212, 218  
5 Disconnect electrical connection from refrigerant pressure sensor ENGINE 157, 278 in MODEL 212, 218  
6 Disconnect oil lines (15) for automatic transmission on connecting point on oil cooler (23) and close openings and with grommets ENGINE 157 in MODEL 212, 218 with TRANSMISSION 722.9
ENGINE 278 in MODEL 212, 218 with TRANSMISSION 722.9
AR27.10-P-0501-03CW
    SPECIAL TOOL Record plug Figure
7 Detach engine oil cooler from lower air duct insert (5) and secure against falling down with attached lines outside the working area ENGINE 157 in MODEL 212, 218  
8.1 Remove radiator package downwards ENGINE 157, 278 in MODEL 212, 218
IMPORTANT The cooler for low-temperature water circuit (21), oil cooler (23) and the condenser (24) for air conditioning form the radiator package and can therefore only be removed together downwards.
 
8.2 Unclip cooler for low-temperature water circuit (21) from radiator support (22) and remove ENGINE 278 in MODEL 207  
9 Install in the reverse order    
10 Check engine cooling system for leaktightness ENGINE 278 in MODEL 207 AR20.00-P-1010FH
    ENGINE 157, 278 in MODEL 212, 218 AR20.00-P-1010EL
11 Check transmission oil level and correct if necessary ENGINE 278 in MODEL 212, 218 with TRANSMISSION 722.9 (except 722.96) AR27.00-P-0270W
    ENGINE 157 in MODEL 212, 218 with TRANSMISSION 722.97
ENGINE 278 in MODEL 212, 218 with TRANSMISSION 722.96
AR27.00-P-0270SYZ
DANGER Risk of accident  from vehicle starting off by itself when engine running. Risk of injury  (bruises and burns) resulting from working on the engine while it is being started or when it is running. Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts. AS00.00-Z-0005-01A
12 Carry out an engine test run, checking the engine for proper operation and leaktightness    
Fig 3: Identifying Record Plug (129 589 00 91 00)
G09974931Courtesy of MERCEDES-BENZ USA