Left And Right Timing Chain Cover, Removing And Installing: Installing

NOTE:

Replace any bolts that were tightened with an additional turn.

Replace the O-rings.

CAUTION:

Risk of contaminating the lubricating system.

-- Remove any old sealant from the surfaces.

Fig 1: Cleaning Sealing Surfaces

Courtesy of AUDI OF AMERICA, LLC

WARNING:

Danger of eye injury.

-- Remove the sealant residue on the covers for the timing chain -1-, cylinder block and cylinder head with a rotating plastic brush.

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

NOTE:

Note the expiration date of the sealing compound.

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

Courtesy of AUDI OF AMERICA, LLC

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

Fig 3: Applying Sealant Bead On Clean Sealing Surfaces Of Left Cover For Timing Chain

Courtesy of AUDI OF AMERICA, LLC

CAUTION:

The lubrication system could be plugged with excess sealant.

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

NOTE:

Covers for timing chain must be installed within 5 minutes after applying sealant.

-- Position the left timing chain cover and tighten the bolts, refer to Figure.

Fig 4: Identifying Left Timing Chain Cover Bolt, Tightening/Loosening Sequence

Courtesy of AUDI OF AMERICA, LLC

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

Fig 5: Identifying Right Timing Chain Cover Bolt, Tightening/Loosening Sequence

Courtesy of AUDI OF AMERICA, LLC

Install in reverse order of removal. Note the following:

-- Install the secondary air injection combination valve. For the left, refer to LEFT COMBINATION VALVE, REMOVING AND INSTALLING and for the right, refer to RIGHT COMBINATION VALVE, REMOVING AND INSTALLING .