Left Timing Chain Cover, Removing And Installing: Installing

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NOTE: Replace the O-rings.

-- Remove any old sealant from the surfaces.

CAUTION:

Risk of contaminating the lubricating system.

Cover open parts of engine.

Fig 1: Cleaning Sealing Surfaces

Courtesy of AUDI OF AMERICA, LLC

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 (0.078 in.)).

Fig 2: Cut Tube Nozzle At Front Marking (Nozzle Diameter Approx. 1 Mm)

Courtesy of AUDI OF AMERICA, LLC

-- 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.

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

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

Sealant bead thickness: 2.5 mm

Fig 3: Driving Left Coolant Intermediate Pipe Out Of Left Timing Chain Cover With Suitable Drift
Courtesy of AUDI OF AMERICA, LLC

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

Fig 4: Left Timing Chain Cover, Tightening Specifications and Sequence

Courtesy of AUDI OF AMERICA, LLC

NOTE: For specific engines there is a double bolt at -1-.

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

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

-- Install the plenum chamber bulkhead, refer to OVERVIEW - BULKHEAD .

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

-- Install the air guides with the screw-type clamps, refer to OVERVIEW - CHARGE AIR HOSE CONNECTIONS .

NOTE: Do not reuse used coolant.

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