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Home >> Audi >> 2016 >> S5 Prestige, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different car >> Section 663 (3.0L - Cylinder Head & VALVETRAIN - Engine Code(S): CPNB) >> 15 Cylinder Head, VALVETRAIN >> Timing Chain Cover >> Timing Chain Cover, Removing And Installing >> Timing Chain Guard Upper Left Section, Removing And Installing, Vehicles With Engine Code CGQB >> Installing

Timing Chain Guard Upper Left Section, Removing And Installing, Vehicles With Engine Code CGQB: Installing

WARNING: This page is about a different car, the 2016 Audi Q5, 2015 Audi Q5, and 2014 Audi Q5. However, it is still accessible from the selected car via links, so may be relevant.

Tightening specifications:

-- 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: Removing Old Sealant From Sealing Surfaces
GWWA13-0590Courtesy 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 any oil or grease off the sealing surfaces.

NOTE:

Note the expiration date of the sealing compound.

Fig 2: Cut Tube Nozzle At Front Marking (Nozzle Diameter Approx. 1 Mm)
GWWA17-0081Courtesy 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: Identifying Seal
GWWA15-10983Courtesy of AUDI OF AMERICA, LLC

-- Apply a small amount of sealant to the transitions between the cylinder head and the lower timing chain cover -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
GWWA15-10982Courtesy of AUDI OF AMERICA, LLC
NOTE:

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

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

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

-- Install the left cylinder head cover, refer to LEFT CYLINDER HEAD COVER, REMOVING AND INSTALLING, VEHICLES ENGINE CODE CGQB .