Left And Right Timing Chain Covers: Installing

WARNING: This page is about a different car, the 2012 Audi S5, 2011 Audi S5, and 2010 Audi S5. However, it is still accessible from the selected car via links, so may be relevant.

Tightening specifications:

NOTE:

Replace any bolts that were tightened with an additional turn.

Replace the O-rings.

-- Remove any old sealant from the surfaces.

Fig 1: Identifying Rotating Plastic Brush

Courtesy of AUDI OF AMERICA, LLC

CAUTION:

Risk of contaminating lubricating system.

Cover open parts of engine.

WARNING:

Danger of eye injury.

Wear protective goggles.

-- Remove the sealant residue on the covers for the timing chain, cylinder block and cylinder head, for example using 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. 2 mm)

Courtesy of AUDI OF AMERICA, LLC

-- Cut the tube nozzle at the front marking (nozzle diameter approximately 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.

Do not apply sealant bead thicker than indicated.

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

Thickness of sealant bead: 2.5 mm.

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: Loosening/Tightening Bolts In Sequence For Left Timing Chain Cover

Courtesy of AUDI OF AMERICA, LLC

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

Fig 5: Applying Sealant Bead On Clean Sealing Surfaces Of Left Cover For Timing Chain

Courtesy of AUDI OF AMERICA, LLC

Thickness of sealant bead: 2.5 mm.

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

Fig 6: Loosening/Tightening Bolts In Sequence For Right Timing Chain Cover

Courtesy of AUDI OF AMERICA, LLC

Install in reverse order of removal paying attention to the following:

NOTE:

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

-- Install the secondary air injection combination valve. For the left one, refer to SECONDARY AIR INJECTION LEFT COMBINATION VALVE and for the right one, refer to SECONDARY AIR INJECTION RIGHT COMBINATION VALVE .