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Remove/install charge air manifold - AR09.41-P-1310GZB

Engine 642 in model 164, 251 

Fig 1: Identifying Charge Air Manifold Remove/Install Components (1 Of 2)
G10115310Courtesy of MERCEDES-BENZ USA
Fig 2: Identifying Charge Air Manifold Remove/Install Components (2 Of 2)
G10115311Courtesy of MERCEDES-BENZ USA
REMOVINGINSTALLING Remove/install     
DANGER Risk of explosion  caused by fuel igniting. Risk of injury  to skin and eyes caused by fuel spraying out at high pressure Keep all ignition sources out of hazard area. Do not carry out any work on system when it is pressurized. AS07.16-Z-0001-01A
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 explosion  caused by fuel igniting, risk of poisoning caused by inhaling and swallowing fuel as well as risk of injury to eyes and skin caused by contact with fuel. No fires, sparks, open flames or smoking. Pour fuels into suitable and appropriately marked containers only.
Wear protective clothing when handling fuel.
AS47.00-Z-0001-01A
1 Drain off coolant Drain/pour in coolant AR20.00-P-1142GZB
NOTES Notes on coolant AH20.00-N-2080-01A
2 Remove coolant line from thermostat housing    
3 Remove mixing chamber   AR09.20-P-1320GZB 
4 Remove exhaust gas ATL Model 164 with engine 642 AR09.40-P-6020GZB 
Model 251 with engine 642 AR09.40-P-6020RTB
5 Remove oil supply connection fittings for ATL   AR09.40-P-6023GZB 
6 Remove left rail   AR07.03-P-1010GZB
7 Unscrew union nuts on connecting line (19/2) IMPORTANT Close off connections for connecting line (19/2) immediately after removal as a protection against contamination. Do not crush or deform connecting line (19/2).  
TORQUE SPECIFICATION Fuel line between left and right tail *BA07.16-P-1024-01C 
SPECIAL TOOL Record plug Figure
8 Remove fuel lines (1) on fuel filter    
9 Remove leak oil line (2) from fuel line    
10 Detach fuel lines (3)    
11 Pull out fuel supply line (6) for high-pressure pump    
12 Remove screw/bolts on coolant pipe (5)    
13 Remove fuel pipe (5)    
14 Remove fuel filter with cage TORQUE SPECIFICATION Bolt, fuel filter cage to charge air manifold *BA47.20-P-1001-02D 
15 Unscrew distributor leak oil line (7) TORQUE SPECIFICATION Leak oil line to charge air distribution line *BA07.16-P-1023-01C 
16 Disconnect engine wiring harness (12) at control unit    
17 Remove glow plug connector At left cylinder head only  
18 Remove connector for injectors At left cylinder head only  
19 Remove connector (8) from engine intake port shutoff (M55)    
20 Remove connector (10) from exhaust back pressure sensor Engine 642 in model 164, 251 with code 474 (Diesel particulate filter)  
21 Remove left exhaust gas recirculation positioner (Y27/9)   AR14.20-P-1020GZB
22 Remove bottom screw/bolt (11) at thermostat housing TORQUE SPECIFICATION Bolt, coolant thermostat housing to charge air manifold *BA20.10-P-1002-01S 
23 Place engine wiring harness (12) to one side    
24 Remove screw/bolts (13) at charge air manifold To remove screw/bolts on charge air manifold (13):
↓
 
Bolt plan for charge air manifold AR09.41-P-1310-01PI
TORQUE SPECIFICATION Bolt, charge air distribution line to cylinder head *BA09.41-P-1009-01J 
25 Remove charge air manifold (13) INSTALLATION NOTES
Replace seal.
Leakage can occur otherwise.
INSTALLATION IMPORTANT Install the cage for the fuel filter to secure the charge air manifold (13).
 
26 Install in the reverse order    
DANGER Risk of accident  from vehicle starting off by itself when engine running. Risk of injury  (bruises and burns) resulting from working on the engine while it is being started or when it is running. Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts. AS00.00-Z-0005-01A
27 Check oil leaktightness and leaktightness of the fuel system for a run engine
COMMON RAIL DIESEL INJECTION SYSTEM (CDI)

Number Designation Engine 642
BA07.16-P-1023-01C Leak oil line to charge air distribution line M6 X 23 Nm 12
COMMON RAIL DIESEL INJECTION SYSTEM (CDI)

Number Designation Engine 642
BA07.16-P-1024-01C Fuel line between left and right tail M15 Nm 27
CHARGE AIR PIPE/CHARGE AIR COOLING

Number Designation Engine 642
BA09.41-P-1009-01J Bolt, charge air distribution line to cylinder head Nm 18
COOLANT PUMP, COOLANT THERMOSTAT

Number Designation Engine 642
BA20.10-P-1002-01S Bolt, coolant thermostat housing to charge air manifold Nm 9
FUEL FILTER

Number Designation Engine 642
BA47.20-P-1001-02D Bolt, fuel filter cage to charge air manifold Nm 12
Fig 3: Identifying Record Plug (129 589 00 91 00)
G09975019Courtesy of MERCEDES-BENZ USA