Oil Pan

WARNING: This page is about a different variant/trim than selected.

Special tools and workshop equipment required

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

Removing

-- Drain engine oil. Refer to ENGINE OIL, DRAINING/EXTRACTING AND REMOVING AND INSTALLING FILTER .

-- Remove the right noise insulation -arrows-.

Fig 1: Identifying Right Drive Axle Heat Shield

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-- On the TTS Roadster, remove the noise insulation frame -arrow- with the rear noise insulation. Refer to Removal and Installation .

Fig 2: Identifying Noise Insulation Frame

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

Fig 3: Identifying Charge Air Pipe Bolts

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-- Remove the bolt -1-.

Fig 4: Identifying Air Guide Hose Bolts, Air Guide Pipe Hose Clamps & Electrical Harness Connector

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NOTE:

Ignore items -2, 3 and 4- and the -arrow-.

-- Disconnect the connector -1- from the oil level thermal sensor.

Fig 5: Identifying Oil Return Line

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

-- Remove the bolts -arrows- from the oil pan to the transmission.

Fig 6: Identifying Oil Pan Bolt Tightening Sequence

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-- Remove the bolts -1 through 20- from the oil pan to the cylinder block in a diagonal sequence.

-- Carefully loosen the oil pan from the bond without bending it.

Installing

Tightening specifications, refer to Figure

CAUTION:

Risk of contaminating lubricating system and bearing.

Cover open parts of engine.

WARNING:

Risk of eye injury.

Wear protective eyewear.

-- Remove the sealant residue on the cylinder block and the oil pan, for example using a rotating plastic brush.

Fig 7: Identifying Removal Of Residual Sealant On Oil Pan E.G. With Rotating Plastic Brush

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-- Clean the sealing surfaces; they must be free of oil and grease.

NOTE:

Note the expiration date of the sealing compound.

-- Cut the tube nozzle at the front marking (nozzle diameter approximately 2 mm).

Fig 8: Cutting Tube Nozzle At Front Marking (Nozzle Diameter Approx. 2 mm)

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CAUTION:

The lubrication system could be plugged with excess sealant.

Do not apply sealant bead thicker than indicated.

-- Apply a sealant bead to the clean sealing surface on the oil pan as illustrated.

Thickness of sealant bead: 2 to 3 mm.

NOTE:

Carefully apply a sealant bead in the sealing flange area -arrows-.

Fig 9: Identifying Silicone Sealing Compound Application Area

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The oil pan must be installed within 5 minutes after applying the sealant.

-- Position the oil pan and tighten the bolts. Refer to Figure.

Fig 10: Identifying Oil Pan Bolt Tightening Sequence

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NOTE:

When installing the oil pan on an engine that has been removed, make sure the transmission side of the oil pan seals flush with the cylinder block.

Allow the sealant to dry for approximately 30 minutes after installing the oil pan. Only after then may the engine oil be replenished.

The rest of the installation is performed in reverse order of removal, noting the following:

-- Install the air guide pipe. Refer to CHARGE AIR COOLER OVERVIEW .

-- Install the noise insulation frame. Refer to Removal and Installation .

-- Fill the engine oil and check the oil level. Refer to MAINTENANCE PROCEDURES .