Left Timing Chain Cover, 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-rings.

-- Remove any old sealant from the surfaces.

CAUTION:

Risk of contaminating the lubricating system.

Cover open parts of engine.

WARNING:

Danger of eye injury.

Wear protective eyewear.

-- Remove the sealant residue on the timing chain cover -1- and cylinder head using a rotating plastic brush, for example.

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

NOTE:

Note the expiration date of the sealing compound.

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

-- Remove the intermediate pipe -2- from the left timing chain guard with the needle bearing drift.

-- Install the O-rings -1- in the intermediate pipe.

-- Insert the intermediate pipe into the left timing chain cover.

CAUTION:

The lubrication system could be plugged with excess sealant.

Do not apply sealant bead thicker than indicated.

-- Apply a sealant bead -arrow- to the clean sealing surfaces of the left timing chain cover as shown in the illustration.

Thickness of sealant bead: 2.5 mm.

NOTE:

The timing chain cover must be installed within 5 minutes after applying the sealant

-- Install the left timing chain cover with the bracket -arrow- and tighten the bolts. Refer to Figure.

NOTE:

A double bolt is attached at -1-.

Installation is performed in reverse order of removal, while noting the following:

-- Install the upper rear coolant pipe. Refer to OVERVIEW - COOLANT PIPES .

-- Fill the refrigerant circuit. Refer to A/C System with Refrigerant R134a .

-- Install the plenum chamber bulkhead. Refer to BULKHEAD .

-- Install the catalytic converter and the front muffler. Refer to OVERVIEW - MUFFLER .

NOTE:

Do not reuse used coolant.

-- Fill with coolant. Refer to COOLANT, DRAINING AND FILLING .