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Home >> Mercedes Benz >> 2017 >> GLC300 Base >> Repair and Diagnosis >> Engine Mechanical >> Blowers, Superchargers & Turbochargers >> Air Intake, Turbocharging - 253 Chassis >> Testing & Repair >> Remove/Install Circulation Pump At Right In Wheel Arch For Low-Temperature Circuit - AR09.41-P-6934MNG

Remove/Install Circulation Pump At Right In Wheel Arch For Low-Temperature Circuit - AR09.41-P-6934MNG

Engine 177 in model 253 

Fig 1: Low Temperature Circuit Circulation Pump (1/3) (M43/6) Components Location - Engine 177 in Model 253
G12817140Courtesy of MERCEDES-BENZ USA
WARNING Risk of injury  to skin and eyes suffering scalding from contact with hot coolant spray. 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 containers.
Wear protective gloves, protective clothing and safety glasses.
AS20.00-Z-0001-01A
  Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
REMOVINGINSTALLING Remove/install     
1 Drain coolant from low-temperature circuit   AR09.41-P-6834MNG 
2 Release front part of front right fender liner   AR88.10-P-1300LW
3 Remove coolant hose (2) from low-temperature circuit circulation pump 1 (M43/6) and seal openings with protective covers   AR20.20-P-7441-01RQ
    SPECIAL TOOL Set of protective caps Fig 2
4 Release and disconnect electrical connection (1)    
5 Unscrew nut (3) TORQUE SPECIFICATION Nut/screw, low-temperature circuit pump/switchover valve retaining bracket to holder *BA20.10-P-1007-01ZA 
6 Remove retaining bracket (4)    
7 Remove low-temperature circuit circulation pump 1 (M43/6) downwards    
8 Install in the reverse order    
COOLANT PUMP, COOLANT THERMOSTAT

Number Designation Engine 177
BA20.10-P-1007-01ZA Nut/screw, low-temperature circuit pump/switchover valve retaining bracket to holder Nm 8
Fig 2: Identifying Set Of Protective Caps (001 589 00 91 00)
G12079466Courtesy of MERCEDES-BENZ USA