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Home >> Mercedes Benz >> 2016 >> SL400 >> Repair and Diagnosis >> Engine Mechanical >> Lubrication System >> Engine Lubrication, Engine Oil Cooling - 231 Chassis >> Testing & Repair >> Oil line removal and installation >> Oil line removal and installation - AR18.30-P-6850RKB

Oil line removal and installation - AR18.30-P-6850RKB

ENGINE 157, 278 in MODEL 231 

Shown on engine 278 

Fig 1: Oil Line Remove/Install Components - Shown On Engine 278 (1 Of 2)
G11128539Courtesy of MERCEDES-BENZ USA
Fig 2: Oil Line Remove/Install Components - Shown On Engine 278 (2 Of 2)
G11128540DANGERDANGERDANGERREMOVINGINSTALLINGIMPORTANTINSTALLATION IMPORTANTTORQUE SPECIFICATIONSPECIAL TOOLIMPORTANTINSTALLATION IMPORTANTTORQUE SPECIFICATIONSPECIAL TOOLREFER TO MAINTENANCEREFER TO MAINTENANCEIMPORTANTTORQUE SPECIFICATIONTORQUE SPECIFICATIONIMPORTANTINSTALLATION IMPORTANTTORQUE SPECIFICATIONSPECIAL TOOLIMPORTANTINSTALLATION IMPORTANTTORQUE SPECIFICATIONSPECIAL TOOLINSPECTREFER TO MAINTENANCEREFER TO MAINTENANCEDANGERCourtesy of MERCEDES-BENZ USA
DANGER Risk of death  caused by vehicle slipping or toppling off of the lifting platform. Align vehicle between vehicle lift columns and position the four support plates at the vehicle lift support points specified by the vehicle manufacturer. AS00.00-Z-0010-01A
DANGER Risk of injury  caused by fingers being jammed or pinched when removing, installing or aligning hoods, doors, trunk lid/rear-end door or sliding roof. No parts of the body or limbs should be within the operating area when the components are moving. AS00.00-Z-0011-01A
DANGER Risk of injury  caused by scraping or cutting body parts on sharp vehicle parts Always wear protective gloves when working on or near sharp and non-deburred vehicle parts. Deburr repair panels. AS00.00-Z-0017-01A
REMOVINGINSTALLING Remove/install     
  Only perform operation steps 1 to 5 for remove/install of the left or right upper oil lines (1l, 1r)     
1 Open engine hood    
2 Remove engine air intake duct upstream of air filter    
3 Disconnect electrical connection at left exhaust camshaft Hall sensor (B6/6) or right exhaust camshaft Hall sensor (B6/7)    
4 Remove screw/bolt (3 or 5) on cylinder head cover and pull left or right upper oil line (1l or 1r) out of the cylinder head cover IMPORTANT Plug openings.
INSTALLATION IMPORTANT Replace sealing ring for the left or right upper oil line (1l or 1r).
 
TORQUE SPECIFICATION Bolt, oil line to exhaust gas turbocharger/cylinder head *BA09.40-P-1003-01R 
SPECIAL TOOL Record plug Figure
5 Remove screw/bolt (3 or 5) on ATL and left or right upper oil line (1l or 1r) from ATL and remove upwards IMPORTANT Plug openings.
INSTALLATION IMPORTANT Replace sealing ring for the left or right upper oil line (1l or 1r).
 
TORQUE SPECIFICATION Bolt, oil line to exhaust gas turbocharger/cylinder head *BA09.40-P-1003-01R 
SPECIAL TOOL Record plug Figure
  Only perform operation steps 6 to 11 for remove/install of the left or right lower oil lines (2l, 2r)     
6 Drain engine oil and catch in a suitable container    
REFER TO MAINTENANCE   Model 231 with engine 157 AP18.00-P-0101EWG 
REFER TO MAINTENANCE   Model 231 with engine 278 AP18.00-P-0101EW 
7 Remove alternator (G2) When removing the lower oil line on the right (2r) AR15.40-P-5032RKB
8 Detach refrigerant compressor (A9) and lay with lines connected in engine compartment at the front When removing the lower oil line on the left (2l)
IMPORTANT Secure A/C compressor (A9) to prevent it from falling down.
TORQUE SPECIFICATION Screw/bolt, refrigerant compressor to timing case/crankcase/engine support
*BA83.55-P-1001-01M 
9 Remove screw/bolts for the heat shield on lower oil line on the left (2l) or lower oil line on the right (2r) TORQUE SPECIFICATION Bolt, heat shield to exhaust gas turbocharger/cylinder head *BA09.40-P-1007-01R 
10 Remove screw/bolts (4 or 6) on ATL and remove lower oil line on the left (2l) or lower oil line on the right (2r) from ATL IMPORTANT Plug openings.
INSTALLATION IMPORTANT Replace seal.
 
TORQUE SPECIFICATION Bolt, oil return line to turbocharger/oil pan *BA09.40-P-1004-01R 
SPECIAL TOOL Record plug Figure
11 Remove screw/bolts (4 or 6) on oil pan and remove lower oil line on the left (2l) or lower oil line on the right (2r) downwards IMPORTANT Plug openings.
INSTALLATION IMPORTANT Replace seal.
 
    TORQUE SPECIFICATION Bolt, oil return line to turbocharger/oil pan *BA09.40-P-1004-01R 
    SPECIAL TOOL Record plug Figure
12 Install in the reverse order    
INSPECT Check     
13 Check engine oil level; correct if necessary    
REFER TO MAINTENANCE   Model 231 with engine 157 AP18.00-P-0101EWG 
REFER TO MAINTENANCE   Model 231 with engine 278 AP18.00-P-0101EW 
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
14 Carry out an engine test run, checking the engine for proper operation and leaktightness    
TURBOCHARGER

Number Designation Engine 157 Engine 278
BA09.40-P-1003-01R Bolt, oil line to exhaust gas turbocharger/cylinder head Nm 9 9
TURBOCHARGER

Number Designation Engine 157 Engine 278
BA09.40-P-1004-01R Bolt, oil return line to turbocharger/oil pan Nm 9 9
TURBOCHARGER

Number Designation Engine 157 Engine 278
BA09.40-P-1007-01R Bolt, heat shield to exhaust gas turbocharger/cylinder head Nm 9 9
REFRIGERANT COMPRESSOR

Number Designation Engine 157 Engine 278
BA83.55-P-1001-01M Screw/bolt, refrigerant compressor to timing case/crankcase/engine support Nm 20 20
Fig 3: Identifying Record Plug (129 589 00 91 00)
G11065549Courtesy of MERCEDES-BENZ USA