Oil Pan

Special tools and workshop equipment required 

• Hex Ball Socket T10058
• Hand drill with plastic brush attachment
• Protective eyewear

Removing 

-- Disconnect the electrical connector on the mass airflow (MAF) sensor -G70- -3-.

Fig 1: Mass Air Flow (MAF) Sensor G70 Electrical Harness Connector, Clips & Front Air Intake Connector On Lock Carrier

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-- Open clips -1 and 2- and remove air guide hose from MAF sensor.

-- Remove front air intake connector on lock carrier -4-.

-- Remove engine cover.

-- Remove center noise insulation fasteners -1 to 4-.

Fig 2: Center Noise Insulation Fasteners And Center Noise Insulation Panel

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-- Remove the right noise insulation -arrows-.

Fig 3: Removing Right Noise Insulation -Arrows-

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-- Remove noise insulation frame -arrow-.

Fig 4: Removing Noise Insulation Frame

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-- Disconnect air guide pipe -arrow- from charge air cooler.

Fig 5: Charge Air Cooler Air Guide Pipe

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-- Unfasten air duct from turbocharger -arrows-.

Fig 6: Turbocharger Air Duct And Connector

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-- Remove bolts -arrows- and remove air guide pipe.

Fig 7: Identifying Charge Air Pipe Bolts

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-- Remove the air duct -1- for charge air cooler.

Fig 8: Air Cooler Air Duct

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-- Disconnect connector from charge air pressure sensor -G31-. Refer to Description and Operation .

-- Remove air duct.

-- Disconnect electrical connector -1- at oil level thermal sensor -G266-.

Fig 9: Identifying Oil Return Line

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-- Remove the oil return line from the turbocharger -arrows-.

-- Drain engine oil.

-- Remove the bolts for oil pan/transmission -arrows-.

Fig 10: Identifying Oil Pan Bolt Tightening Sequence

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-- Remove the bolts -1 through 20- in a diagonal sequence.

-- Remove oil pan, if necessary loosen by applying light strikes with a rubber hammer.

Installing 

• For the correct tightening specifications, refer to OIL PAN OVERVIEW 

-- Remove sealant residue from cylinder block with a flat scraper.

-- Remove residual sealant on the oil pan for example with a rotating plastic brush.

Fig 11: Identifying Removal Of Residual Sealant On Oil Pan E.G. With Rotating Plastic Brush

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-- Clean sealing surfaces, must be free of oil and grease.

-- Cut the tube nozzle at the front marking (nozzle diameter: approximately 3 mm).

Fig 12: Cut Tube Nozzle At Front Marking (Nozzle Diameter Approx. 3 Mm)

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-- Apply silicone sealing compound bead as illustrated to clean sealing surface of oil pan.

Fig 13: Identifying Silicone Sealing Compound Application Area

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• Thickness of sealant bead: 2 to 3 mm.

-- Immediately position oil pan in place and tighten bolts, tightening sequence. Refer to Figure.

-- Add engine oil and check oil level.

Further assembly is performed in the reverse order of removal, thereby observing the following:

-- Air guide pipes with connector, installing. Refer to HOSE CONNECTIONS WITH CONNECTOR COUPLINGS, ASSEMBLING .