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Home >> Mercedes Benz >> 2016 >> S550 Base >> Repair and Diagnosis >> Engine Mechanical >> Cooling System (Mechanical) >> Engine Cooling System - 222 Chassis >> Testing & Repair >> Remove/install radiator >> Remove/install radiator - AR20.20-P-3865MUB

Remove/install radiator - AR20.20-P-3865MUB

MODEL 217 with ENGINE 279 

MODEL 222 with ENGINE 277, 279 

Fig 1: Radiator Remove/Install Components (1 Of 2)
G11132165Courtesy of MERCEDES-BENZ USA
Fig 2: Radiator Remove/Install Components (2 Of 2)
G11132166DANGERDANGERREMOVINGINSTALLINGNOTESIMPORTANTCLEANINSPECTDANGERCourtesy of MERCEDES-BENZ USA
DANGER Risk of death  caused by vehicle slipping or toppling off of the lifting platform. Align vehicle between vehicle lift columns and position the four support plates at the vehicle lift support points specified by the vehicle manufacturer. AS00.00-Z-0010-01A
DANGER Risk of injury  caused by fingers being jammed or pinched when removing, installing or aligning hoods, doors, trunk lid/rear-end door or sliding roof. No parts of the body or limbs should be within the operating area when the components are moving. AS00.00-Z-0011-01A
REMOVINGINSTALLING Remove/install     
1 Switch off ignition and remove transmitter key    
2 Remove front right cover above coolant expansion reservoir    
3 Unscrew cap on coolant expansion reservoir    
4 Remove fan unit   AR20.40-P-5050MUB 
5 Drain coolant at radiator (1)   AR20.00-P-1142LF 
6 Remove coolant hose between coolant pump and cooler (1)   AR20.20-P-7441-01RQ
7 Detach coolant hose (2) at radiator (1)   AR20.20-P-7441-01RQ
8 Detach coolant hose (5) between cooler (1) and coolant thermostat on cooler (1)   AR20.20-P-7441-01RQ
9 Detach vent line (6) between cooler (1) and coolant expansion reservoir on cooler (1)   AR20.20-P-7441-01RQ
10 Unclip coolant line (4) at radiator (1)    
11 Remove front center reinforcement   AR62.30-P-1570LF
12 Detach air duct segment (8) at radiator (1) and place to one side    
13 Remove air duct segment (7)    
14 Remove screw/bolts (11)    
15 Unclip radiator (1) from left supporting frame (3) and detach supporting frame on the right and remove downwards NOTES
Press oil cooler for A/T to the side.
The cooler (1) will be damaged otherwise.
IMPORTANT Helper required.
 
CLEAN Clean     
16 Clean coolant covered areas    
17 Install in the reverse order    
INSPECT Check     
18 Check engine cooling system for leaktightness   AR20.00-P-1010LF 
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
19 Perform an engine test run and check engine cooling system for proper operation