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Home >> Mercedes Benz >> 2020 >> SLC43 AMG Base >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Air Intake, Turbocharging - 172 Chassis >> Testing & Repair >> Remove/Install Low-Temperature Circuit Coolant Expansion Reservoir Carrier - AR09.41-P-0007RKA

Remove/Install Low-Temperature Circuit Coolant Expansion Reservoir Carrier - AR09.41-P-0007RKA

ENGINE 276.8 in model 172 

ENGINE 276.8 in model 231 

Fig 1: Low-Temperature Circuit Coolant Expansion Reservoir Carrier Components Location - Engine 276.8 In Model 172
G13845467Courtesy of MERCEDES-BENZ USA
Risk of injury  to skin and eyes suffering scalding from contact with hot coolantspray. 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
NOTES Notes on coolant   AH20.00-N-2080-01A
REMOVING
INSTALLING
Remove/install     
1 Remove low-temperature circuit expansion reservoir   AR09.41-P-0001RKA 
2 Detach boost pressure control pressure transducer and place with attached lines to one side   AR07.17-P-7002RKA
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 Unclip electrical line of boost pressure control pressure transducer on carrier (7)    
8 Unclip engine cable harness on carrier (7)    
9 Remove screw/bolts (6) TORQUE SPECIFICATION Bolt, bracket for expansion reservoir to cylinder head cover *BA20.10-P-1009-01AA 
    TORQUE SPECIFICATION Bolt, bracket for expansion reservoir to cylinder head *BA20.10-P-1010-01AA 
10 Remove carrier (7) INSTALLATION IMPORTANT : Ensure correct seating of the carrier (7).  
11 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