Audi Workshop Service and Repair Manuals

Removing and installing tensioner for poly V-belt Special tools and workshop equipment required

t  Locking pin -T10060 A-

Removing –  Move lock carrier to service position → Chapter. –  Pull off engine cover panel -arrows-.

–  Remove air intake hose at intake manifold flap motor -V157- by lifting retaining clip -arrow- slightly.   Note

Before removing, mark direction of rotation of poly V-belt with chalk or felt-tipped pen. If the belt runs in the opposite direction when it is refitted, this can cause breakage. –  Turn tensioner in -direction of arrow- and lock with locking pin -T10060 A- to slacken the poly V-belt. –  Remove poly V-belt.

–  Unscrew bolt -arrow- and remove poly V-belt tensioner. Installing Installation is carried out in the reverse order; note the following:   Note t  Hose connections and hoses for charge air system must be free of oil and grease before assembly. Do NOT use lubricant. t  Secure all hose connections with the correct type of hose clips (same as original equipment) → Electronic parts catalogue. t  To ensure that the charge air hoses can be properly secured at their connections, spray rust remover onto the worm thread of used hose clips before installing. –  Check tensioner for correct seating in bracket for ancillaries before securing. –  Install poly V-belt → Chapter.

–  When installing air intake hoses with plug-in connectors, ensure that the securing clip -arrow- engages audibly on the retaining lug -A-. –  Install lock carrier with attachments → Rep. Gr.50.

–  Allow stop for torque reaction support to rest on rubber buffer for torque reaction support under its own weight and tighten nuts -arrows-. –  Install bumper cover (front) → Rep. Gr.63. Tightening torques

Component	Nm
Poly V-belt tensioner to bracket	25
Stop for torque reaction support to lock carrier	28
Hose clips (9 mm wide)	3
Hose clips (13 mm wide)	5.5