Right Timing Chain Cover, Removing And Installing

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

Special tools and workshop equipment required

Hand drill with plastic brush attachment
Protective eyewear
Sealant.

Removal

Fig 1: Identifying Vacuum Pump Bolts

Courtesy of AUDI OF AMERICA, LLC

-- Remove the vacuum pump. Refer to VACUUM PUMP, REMOVING AND INSTALLING, 3.0L TDI ENGINE .

-- Free up electrical wiring harness -arrows-.

Fig 2: Identifying Bolt -1-, Bracket -2-, And Wiring Harness

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-- Remove the bolt -1- and the bracket -2-.

-- Remove the bolts -1 through 4- and remove the right timing chain cover.

Fig 3: Identifying Bolts -1 Through 4-

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Installation

Tightening specification. Refer to CYLINDER HEAD COVER OVERVIEW .

NOTE:

Replace the bolts for the right timing chain cover.

-- Remove old sealant form the grooves in the timing chain cover as well as from the sealing surfaces.

CAUTION:

Risk of contaminating lubricating system.

Cover open parts of engine.

Fig 4: Cleaning Remaining Sealant With Rotating Plastic Brush

Courtesy of AUDI OF AMERICA, LLC

WARNING:

Danger of eye injury.

Wear protective eyewear.

-- Remove the remaining sealant on the left timing chain and cylinder head covers, e.g, with a rotating plastic brush.

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

NOTE:

Note the expiration date of the sealing compound.

Fig 5: Cut Tube Nozzle At Front Marking

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

CAUTION:

The lubrication system could be plugged with excess sealant.

Do not apply sealant bead thicker than specified.

-- Apply a sealant bead to the clean sealing surface of the right timing chain cover as shown in the illustration.

Fig 6: Appling Sealant Bead To Timing Chain Cover -1-

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The groove -1- of sealing surface must be completely filled with sealant.
The sealant bead must be 1.5 to 2.0 mm above the sealing surface.

-- Install the seal -2-.

NOTE:

Note the expiration date of the sealing compound.

Fig 7: Cut Tube Nozzle At Front Marking

Courtesy of AUDI OF AMERICA, LLC

-- Cut the tube nozzle at the front marking (nozzle diameter: approximately 3 mm).

-- Apply a sealant bead with a 3 mm diameter to the transitions between the cylinder head and lower timing chain cover -arrows- as illustrated.

Fig 8: Apply A Sealant Bead At -Arrow-

Courtesy of AUDI OF AMERICA, LLC

CAUTION:

The lubrication system could be plugged with excess sealant.

Do not apply sealant bead thicker than specified.

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.

Fig 9: Right Timing Chain Cover Bolts

Courtesy of AUDI OF AMERICA, LLC

Install in reverse order of removal. Note the following:

-- Install the vacuum pump. Refer to VACUUM PUMP, REMOVING AND INSTALLING, 3.0L TDI ENGINE .