Remove/Install Coolant Circuit Return Line Of Turbochargers - AR20.20-P-1101MNE

Engine 177 in Model 213 

Fig 1: Coolant Circuit Return Line Of Turbochargers Components Location - Engine 177 In Model 213

Courtesy of MERCEDES-BENZ USA

	Risk of injury  . Skin or eye injuries may result when handling hot or glowing objects.	Wear protective gloves, protective clothing and safety glasses, if necessary.	AS00.00-Z-0002-01A
	Remove/install
1	Drain off coolant		AR20.00-P-1142MNE
2	Remove ignition coil on cylinders 5 and 6		AR15.12-P-2008MNE
3	Remove heat shield from left exhaust gas turbocharger		AR09.40-P-6026-01MNE
		Bolt, side heat shield to cylinder head cover	*BA09.40-P-1007-01ZA
4	Remove filler neck		AR01.40-P-0004MNE
5	Clean area around return line (1)	Assembly cleaner	*BR00.45-Z-1028-04A
6	Remove screws (3)	Bolt, coolant line to turbocharger/cylinder head	*BA09.40-P-1004-01ZA
7	Remove return line (1) and seal openings with suitable stop plugs	Install new sealing rings.
		Record plug	Fig 2
8	Install in the reverse order

TURBOCHARGER

Number	Designation		Engine 177
BA09.40-P-1004-01ZA	Bolt, coolant line to turbocharger/cylinder head	Nm	9

TURBOCHARGER

Number	Designation		Engine 177
BA09.40-P-1007-01ZA	Bolt, side heat shield to cylinder head cover	Nm	9

Fig 2: Identifying Record Plug (129 589 00 91 00)

Courtesy of MERCEDES-BENZ USA

REPAIR MATERIALS

Number	Designation	Order number
BR00.45-Z-1028-04A	Assembly cleaner	A 000 986 56 01