Audi Workshop Service and Repair Manuals

Removing and installing timing chain cover (right-side) Special tools and workshop equipment required t  Electric drill with plastic brush t  Safety goggles t  Sealant → Electronic parts catalogue

Removing –  Remove vacuum pump → Rep. gr.47. –  Remove coolant pipe (rear right): engine codes CAMA, CAMB, CAPA → Chapter; engine codes CCLA, CCWA, CCWB, CGKA, CGKB → Chapter.

–  Loosen bolts in the sequence -3 ... 1-. –  Carefully release timing chain cover (right-side) from bonded joint and detach. Installing –  Remove old sealant from grooves on timing chain cover and from sealing surfaces.   Caution Protect lubrication system against contamination. Cover exposed parts of the engine.

WARNING Protect eyes against injuries. Wear safety goggles. –  Remove remaining sealant on timing chain cover and cylinder head using rotating plastic brush or similar. –  Clean sealing surfaces; they must be free of oil and grease.   Note

Note the use-by date of the sealant. –  Cut off nozzle of tube at front marking (nozzle Ø approx. 1.5 mm).

Caution Make sure lubrication system is not clogged by excess sealant. The sealant bead must not be thicker than specified. –  Apply a bead of sealant (Ø 3 mm) at each joint between cylinder head and timing chain cover (bottom) -arrow-, as shown in illustration.

–  Apply bead of sealant onto clean sealing surface of timing chain cover (right-side) as illustrated. l  The groove -1- on the sealing surface must be completely filled with sealant. l  The bead of sealant must project 1.5 … 2.0 mm above the sealing surface. –  Fit gasket -2-.   Note The timing chain cover must be installed within 5 minutes after applying the sealant.

–  Install timing chain cover (right-side) and tighten bolts → Fig.. Remaining installation steps are carried out in reverse sequence; note the following: –  Install coolant pipe (rear right): engine codes CAMA, CAMB, CAPA → Chapter; engine codes CCLA, CCWA, CCWB, CGKA, CGKB → Chapter. –  Install vacuum pump → Rep. gr.47.