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Home >> Mercedes Benz >> 2007 >> S550 Base >> Repair and Diagnosis >> Engine Mechanical >> Blowers, Superchargers & Turbochargers >> Air Intake, Turbo Charging -- S-Class (221) >> Testing & Repair >> Remove/install low temperature water circuit radiator - AR09.41-P-6935SXM

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

ENGINE 275.982 in MODEL 216.379, 221.179 

Fig 1: Identifying Low Temperature Water Circuit Radiator Components
G07649703Courtesy of MERCEDES-BENZ USA
REMOVINGINSTALLING Remove/install    
IMPORTANT The low-temperature cooler (1) and cooler (7) for the power steering are integrated into one component    
1 Remove engine oil cooler (3)   AR18.30-P-1000SX
2 Drain coolant from low temperature circuit   AR20.00-P-1142HM
3 Detach coolant hoses (6) at the low-temperature cooler (1) IMPORTANTInstallation:  Check condition of coolant hoses (6) and replace if necessary. Ensure coolant hoses are fitted correctly.  
4 Extract oil from power steering expansion reservoir SPECIAL TOOL Fig 2
5 Remove oil pressure lines (4) from power steering cooler (7) IMPORTANT Plug openings  
SPECIAL TOOL Figure
6 Remove nuts (5) and low-temperature cooler (1) from condenser (2)    
7 Unhook low-temperature cooler (1) from condenser (2) and remove    
8 Install in the reverse order    
9 Bleed low temperature circuit   AR20.00-P-1145H
10 Inspect cooling system for leaks   AR20.00-P-1010HN
11 Fill power steering pump and bleed   AR46.30-P-0010SX
INSPECT Checking     
DANGER Risk of accident  caused by vehicle starting off by itself when engine is running. Risk of injury  caused by contusions and burns during starting procedure or when working near the engine as it is running Secure vehicle to prevent it from moving by itself.
Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts.
AS00.00-Z-0005-01A
12 Carry out visual inspection for leaks when engine is running    
Fig 2: Identifying Hand Pump (210 589 00 71 00)
G07649704Courtesy of MERCEDES-BENZ USA
Fig 3: Identifying Set Of Stop Plugs (129 589 00 91 00)
G07649705Courtesy of MERCEDES-BENZ USA