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Home >> Mercedes Benz >> 2012 >> ML63 >> Repair and Diagnosis >> Engine Mechanical >> Blowers, Superchargers & Turbochargers >> Air Intake, Turbocharging - 166 Chassis >> Testing & Repair >> Remove/install low-temperature circuit expansion reservoir with carrier - AR09.41-P-0002GQC

Remove/install low-temperature circuit expansion reservoir with carrier - AR09.41-P-0002GQC

ENGINE 276.8 in MODEL 166, 251 

Fig 1: Identifying Low-Temperature Circuit Expansion Reservoir Remove/Install Components
G09981841Courtesy of MERCEDES-BENZ USA
REMOVINGINSTALLING Remove/install     
DANGER 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
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
1 Remove expansion reservoir   AR09.41-P-0001GQC 
2 Loosen boost pressure actuator and place to one side with attached lines   AR07.17-P-7002GQC
3 Remove screw/bolt (1)    
4 Unclip electrical line (2) from carrier (7)    
5 Unclip bracket (3) from carrier (7)    
6 Detach electrical line (4) from carrier (7)    
7 Disconnect electrical connection (5)    
8 Remove screw/bolts (6) TORQUE SPECIFICATION Bolt, bracket for expansion reservoir to cylinder head *BA20.10-P-1010-01AA 
TORQUE SPECIFICATION Bolt, bracket for expansion reservoir to cylinder head cover *BA20.10-P-1009-01AA 
9 Remove carrier (7) INSTALLATION IMPORTANT Ensure correct seating of the carrier (7).  
10 Install in the reverse order    
COOLANT PUMP, COOLANT THERMOSTAT

Number Designation ENGINE 276
BA20.10-P-1009-01AA Bolt, bracket for expansion reservoir to cylinder head cover Nm 9
COOLANT PUMP, COOLANT THERMOSTAT

Number Designation ENGINE 276
BA20.10-P-1010-01AA Bolt, bracket for expansion reservoir to cylinder head Nm 9