Timing Chain Guard Upper Section, Removing And Installing: Installing

WARNING: This page is about a different car, the 2015 Audi Q7, 2014 Audi Q7, and 2013 Audi Q7. However, it is still accessible from the selected car via links, so may be relevant.

Tightening specifications. Refer to Figure.

-- Remove the old sealant from the sealing surfaces on the timing chain cover.

CAUTION:

Risk of contaminating the lubricating system.

Cover open parts of engine.

Fig 1: Cleaning Remaining Sealant With Rotating Plastic Brush

Courtesy of AUDI OF AMERICA, LLC

WARNING:

Danger of eye injury.

Wear protective eyewear.

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

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

NOTE:

Pay attention to the expiration date of the sealant.

Fig 2: Cut Tube Nozzle At Front Marking

Courtesy of AUDI OF AMERICA, LLC

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

-- Install the seal -1-.

Fig 3: Applying Sealant

Courtesy of AUDI OF AMERICA, LLC

-- Apply a small amount of sealant to the transitions between the cylinder head and the timing chain guard lower section -arrow- as shown in the illustration.

CAUTION:

The lubrication system could be plugged with excess sealant.

Do not apply sealant bead thicker than indicated.

-- Apply sealant beads -1 and 2- to the clean sealing surface of the left timing chain cover as shown in the illustration.

Fig 4: Identifying Sealant Beads

Courtesy of AUDI OF AMERICA, LLC

The sealant bead must be 1.5 to 2.0 mm above the sealing surface.

-- Apply sealant beads -1 and 2- to the clean sealing surface of the right timing chain cover as shown in the illustration.

Fig 5: Identifying Sealant Beads

Courtesy of AUDI OF AMERICA, LLC

The sealant bead must be 1.5 to 2.0 mm above the sealing surface.

NOTE:

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

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

Fig 6: Upper Left Timing Chain Cover, Loosening And Tightening Sequence

Courtesy of AUDI OF AMERICA, LLC

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

Upper Left Timing Chain Guard Section

-- Install the left cylinder head cover. Refer to LEFT CYLINDER HEAD COVER, REMOVING AND INSTALLING .

Upper Right Timing Chain Guard

-- Install the air guide pipe. Refer to OVERVIEW - AIR GUIDE PIPES AND AIR GUIDE HOSES .

-- Install the right cylinder head cover. Refer to RIGHT CYLINDER HEAD COVER, REMOVING AND INSTALLING .