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Home >> Mercedes Benz >> 2013 >> S400 >> Repair and Diagnosis >> Engine Mechanical >> Lubrication System >> Engine Lubrication, Engine Oil Cooling - 221 Chassis >> Testing & Repair >> Remove/install oil pump >> Remove/install oil pump - AR18.10-P-6020MM

Remove/install oil pump - AR18.10-P-6020MM

ENGINES 157, 278 in MODEL 216 

ENGINES 157, 276, 278 in MODEL 221 

Fig 1: Identifying Oil Pump Remove/Install Components
G10108642Courtesy of MERCEDES-BENZ USA
REMOVINGINSTALLING Remove/install     
1 Remove oil pan bottom section (4) and oil pan (5) INSTALLATION IMPORTANT Observe notes on sealant path on the oil pan (5).  
Engine 276 AR01.45-P-7500MMA
Engines 157, 278 AR01.45-P-7500MMB
IMPORTANT Notes on sealant path for oil pan Engines 157, 278 AH01.45-P-0001-01MMB
IMPORTANT   Engine 276 AH01.45-P-0001-01MMA
Remove sealant AR01.00-P-0050-01A
SPECIAL TOOL Fig 2
TORQUE SPECIFICATION *BA01.45-P-1001-01E 
TORQUE SPECIFICATION *BA01.45-P-1002-01E 
TORQUE SPECIFICATION *BA01.45-P-1003-01E 
Loctite 5970 sealant *BR00.45-Z-1013-01A 
Loctite 7200 *BR00.45-Z-1038-04A 
Loctite 7063 cleaning spray (150 ml) *BR00.45-Z-1046-04A 
2 Detach oil baffle (6) with intake manifold from oil pump (1) and cylinder crankcase (7) TORQUE SPECIFICATION *BA18.10-P-1005-01R 
3 Remove oil pump (1) from crankcase by unscrewing bolts (8) TORQUE SPECIFICATION *BA18.10-P-1001-01R 
4 Disconnect electrical connector from engine oil pump valve (Y130)    
5 Push back chain tensioning rail (3), take oil pump chain of the oil pump gear (9) and remove oil pump (1) INSTALLATION IMPORTANT Before installing, fill oil pump (1) with engine oil, so that it delivers oil immediately when first started.  
INSPECT Checking     
6 Check oil pump gear (9) for easy movement and damage Install new oil pump (1) if necessary.  
7 Check clamping device for the oil pump (1) If necessary: ↓  
Replace clamping device. AR18.10-P-2000MM 
8 Install in the reverse order    
DANGER Risk of accident  caused by vehicle starting off by itself when engine is running. Risk of injury  caused by contusions and burns during starting procedure or when working near the engine as it is running Secure vehicle to prevent it from moving by itself.
Wear closed and snug-fitting work clothes.
Do not touch hot or rotating parts.
AS00.00-Z-0005-01A
9 Carry out engine test run, checking the engine for proper operation and leaks    
OIL PUMP

Number Designation Engine 157 Engine 276 Engine 278
BA18.10-P-1001-01R Bolt, oil pump to crankcase Stage 1 Nm 5 5 5
Stage 2 Nm 20 20 20
BA18.10-P-1005-01R Bolt, oil suction pipe with oil baffle to cylinder crankcase   Nm 9 9 9
OIL PAN

Number Designation Engine 157 Engine 276 Engine 278
BA01.45-P-1001-01E Bolt, oil pan to cylinder crankcase/timing case cover/rear end cover M6 Nm 9 9 9
BA01.45-P-1002-01E Bolt, oil pan to crankcase on the transmission side M8 Nm 20 20 20
BA01.45-P-1003-01E Bolt, oil pan bottom section to oil pan   Nm 14 14 14
Fig 2: Identifying Squeeze Gun (112 589 00 25 00)
G07742708Courtesy of MERCEDES-BENZ USA
REPAIR MATERIALS

Number Designation Order number
BR00.45-Z-1013-01A Loctite 5970 sealant A 003 989 98 20
BR00.45-Z-1038-04A Loctite 7200 Henkel Loctite Deutschland GmbH
BR00.45-Z-1046-04A Loctite 7063 cleaning spray (150 ml) A 001 986 71 71 10