300E 4MATIC (124.230) L6-3.0L (103.985) (1990)
Oil Pan: Service and Repair
Removing and installing oil sump (4MATIC front axle housing)
Preceding work:
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Hood raised to vertical position.
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Bottom engine compartment panel removed.
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Air cleaner removed.
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Fan shroud removed.
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Disconnect ground cable at battery
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Drain engine oil (step 2)
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Unbolt both front engine mounts (526) from below
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Remove torsion bar
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Remove dipstick guide tube, 10 Nm (steps 5 - 6)
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Remove drag link (428) together with steering damper (431)
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Unbolt exhaust system at flange of exhaust manifold (step 8)
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Unbolt front propeller shaft (70) (step 9)
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Unbolt front axle shafts (59) (steps 10 - 11)
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Unplug plug connection of oil level switch at oil sump or front axle housing (step 12)
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Remove bottom part of oil sump (4), 10 Nm (step 13)
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Remove support (554) for oil pump (542) (step 14)
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Insert guard plate at component compartment wall (step 15)
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Raise engine (steps 16 - 17)
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Position pistons of cylinders 3 and 4 to TDC (step 18)
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Remove left engine support (122) at crankcase, M8 20 Nm (step 19)
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Unbolt front axle housing (588) (step 20), M6 = 10 Nm, M8 = 22 Nm.
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Apply sealant 001 98945 20 10 to contact surfaces of front axle housing (step 22)
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Remove oil pump (542), 25 Nm (step 21)
Tightening torques in Nm
Oil sump to crankcase
M6 hexagon bolts ............................................................................................................................................................................................... 10
M8 hexagon bolts ............................................................................................................................................................................................... 25
M10 hexagon bolts ............................................................................................................................................................................................. 40
Oil pipes at oil sump ................................................................................................................................................................................................ 10