LEMON Manuals: Even more car manuals for everyone
Home >> Smart >> 2015 >> Fortwo Electric Drive, 2D Convertible >> Repair and Diagnosis >> Engine Mechanical >> Cooling System (Mechanical) >> Engine Cooling System - 451 Chassis >> Testing & Repair >> Remove/install expansion reservoir - AR20.30-P-4950MCU

Remove/install expansion reservoir - AR20.30-P-4950MCU

ENGINES 132.910 in MODEL 451.3/4 

ENGINES 780.009 in MODEL 451.391/491 

Shown on vehicle with engine 132 

Fig 1: Identifying Expansion Reservoir Remove/Install Components - Shown On Vehicle With Engine 132
G10978226Courtesy of MERCEDES-BENZ USA

Vehicles with engine 780 

Fig 2: Identifying Expansion Reservoir Remove/Install Components - Vehicles With Engine 780
G10978227Courtesy of MERCEDES-BENZ USA
REMOVINGINSTALLING Remove/install     
DANGER Risk of injury  to skin and eyes caused by scalding from contact with hot coolant spray. Risk of poisoning  caused by 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
1 Remove front module   AR62.30-P-1575MCU
2 Turn cooling system cap (2) on engine radiator (1) a half turn counterclockwise, relieve pressure and then unscrew the cooling system cap (2)    
3 Suction off coolant in expansion reservoir (1)    
4 Clamp off coolant hoses (5, 6) using suitable hose clamps    
5 Loosen click clamps (3) on coolant hoses (4, 5, 6 and 8) On engine 780.009 only the click clamps (3) of coolant hoses (5, 6 and 8) should be loosened
INSTALLATION IMPORTANT : Replace snap clamps (3).
 
6 Detach coolant hose (4) on expansion reservoir (1) and lay to one side in such a way that so no coolant can run out For engine 132.9
IMPORTANT Collect coolant which flows out in a suitable vessel.
 
7 Detach coolant hoses (5, 6) on expansion reservoir (1) IMPORTANT Collect coolant which flows out in a suitable vessel.  
8 Detach expansion reservoir (1) from holder (7), detach from coolant hose (8) and take off IMPORTANT Collect coolant which flows out in a suitable vessel.  
9 Loosen click clamp (10) and detach blind plug (11) For engine 780.009
IMPORTANT Only when replacing the expansion reservoir (1).
INSTALLATION IMPORTANT : Replace snap clamp (10).
 
10 Install in the reverse order    
11 Pour in coolant For engine 132.9 AR20.00-P-1142MCU 
    For engine 780.009
IMPORTANT Coolant circuit high-voltage battery
AR20.00-P-1142MEV