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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-6020SMG

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

ENGINE 156 in MODEL 216, 221 

Fig 1: Identifying Oil Pump Remove/Install Components
G10126695Courtesy of MERCEDES-BENZ USA
REMOVINGINSTALLING Remove/install     
DANGER Risk of injury  caused by fingers being pinched or crushed  when removing, installing or aligning hoods, doors, trunk lids, tailgates or sliding roof. Keep body parts and limbs well clear of moving parts. AS00.00-Z-0011-01A
NOTES Risk of death  caused by vehicle slipping or toppling off the lifting platform. Align vehicle between columns of vehicle lift and position four support plates at vehicle lift support points specified by vehicle manufacturer. AS00.00-Z-0010-01A
1 Open engine hood    
2 Raise vehicle with lifting platform   AR00.60-P-1000SX
3 Remove lower engine compartment paneling INSTALLATION IMPORTANT Only install lower engine compartment paneling after the leak test. AR61.20-P-1105SX
4 Remove bottom part of oil pan   AR01.45-P-7555SMG
5 Push back chain tensioner (5) and take oil pump chain (3) off oil pump gear (4)    
6 Unscrew bolts (2) for oil pump (1) TORQUE SPECIFICATION *BA18.10-P-1001-01N 
7 Remove oil pump (1) IMPORTANTObserve the following when installing: 
  • Replace seal.
  • Fill oil pump prior to installation with engine oil so that it starts pumping oil immediately when engine is started.
 
8 Clean oil strainer for oil pump (1) IMPORTANT by removing bolts (6) and oil suction pipe (7) from oil pump (1).  
TORQUE SPECIFICATION *BA18.10-P-1004-01N 
INSPECT Checking     
9 Check oil pump gear (4) for easy movement and damage IMPORTANT  
10 Install in the reverse order    
11 Check engine oil level and adjust correctly See: ↓  
REFER TO MAINTENANCE   Engine oil and filter change AP18.00-P-0101SMG 
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
12 Conduct engine test run and check engine for leaks while it is running    
OIL PUMP

Number Designation Engine 156
BA18.10-P-1001-01N Fitted bolt, oil pump to crankcase   Nm 20
BA18.10-P-1004-01N Bolt, oil suction pipe to oil pump. M6X16 Nm 8.5