Spur Gear Drive, Removing And Installing: Installing

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2018 Audi S7, 2018 Audi RS 7, 2017 Audi S7, 2017 Audi RS 7, and 2016 Audi S7. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

Replace the O-ring.

-- Replace the seals -Item ) POWER TAKE-OFF- and -Item ) POWER TAKE-OFF- if damaged.

-- Remove any sealant still on the spur gear unit and cylinder block.

-- Clean any oil or grease off the sealing surfaces.

-- Insert the oil pump input shaft -arrow- in the guide on the oil pump.

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NOTE:

To guarantee that the drive axle engages correctly in the oil pump, insert the drive axle into the oil pump separately, do not install together with the front bearing cap.

NOTE:

Note the expiration date of the sealing compound.

-- Cut the tube nozzle at the front marking (nozzle diameter: about 1.5 mm).

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CAUTION:

The lubrication system could be plugged with excess sealant.

Do not apply sealant beads thicker than indicated.

-- Apply sealant beads -arrows- to the clean sealing surfaces of the motor as shown in the illustration.

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Thickness of sealant beads: 2.0 mm.

-- Lay a new O-ring -arrow- on the spur gear unit and secure with some grease.

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NOTE:

Install the spur gear unit within five minutes of applying the sealant.

-- Position the spur gear unit and tighten the bolts. Refer to figure in Tightening Specifications .

-- Install the power take-off drive chain. Refer to POWER TAKE-OFF DRIVE CHAIN, REMOVING AND INSTALLING .

NOTE:

Use a hose clamp appropriate for the model.

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-- Slide the dust cap -arrow- with pre-installed hose clamp on the end of the spur gear shaft for the A/C compressor drive.

-- Install the timing chain cover lower section. Refer to LOWER TIMING CHAIN COVER, REMOVING AND INSTALLING .