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Home >> Audi >> 2017 >> A7 Quattro Competition >> Repair and Diagnosis >> External Pages >> Different car >> Section 113 (Engine System (Cylinder Head & VALVETRAIN - Service Information - 4.0L - CEUC, CRDB, CTGE, CWUB, CWUC)) >> Cylinder Head, VALVETRAIN >> Timing Chain Cover >> Timing Chain Cover, Removing And Installing >> Right Timing Chain Cover, Removing And Installing >> Installing

Right Timing Chain Cover, Removing And Installing: Installing

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NOTE:

Replace the O-rings.

Secure all hose connections with hose clamps of the same type as those equipped by the factory.

-- 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.

GWWA17-10940

-- 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).

GWWA17-0081

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

GWWA13-10310

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

-- Insert the intermediate pipe into the right 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 right timing chain cover as shown in the illustration.

NOTE:

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

-- Position the right timing chain cover and tighten the bolts. Refer to Figure.

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

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

-- Install the vacuum pump. Refer to HYDRAULIC SYSTEM .

-- Install the wires. Refer to RELAY CARRIERS, FUSE PANELS AND E-BOXES and the Appropriate Wiring Diagram.

-- Connect the coolant hoses with the connector coupling. Refer to the illustration below.

GWWA19-12078
NOTE:

Do not reuse used coolant.

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