Audi A8 2003 Maintenance Manual page 78

Audi A8 2003 ➤
Maintenance - Edition 06.2014
♦ Adapter - T40058-
Steps for removal:
– Remove noise insulation
Procedure:
– Apply adapter - T40058- to crankshaft vibration damper (see
-illustration-).
– Turn poly V-belt clockwise using reversible ratchet and adapt‐
er - T40058- , and check entire belt. Look for the following
types of damage:
♦ Cracks or tears in belt profile and on reverse side (cracks, core
fractures, cross-sectional fractures)
♦ Layer separation (top layer, cord strands)
♦ Fraying of cord strands
♦ Foreign objects in belt profile and reverse side
♦ Excessive traces of oil and grease on rollers and pulleys
♦ Flank wear on pulleys (material wear, frayed flanks, surface
cracks); see -illustration-
If faults are found: Renew poly V-belt ⇒ Rep. gr. 13 ; Dismantling
and assembling engine; Removing and installing poly V-belt .
Continue installation in reverse sequence.
Note
The example given here shows possible damage to a pulley. The
appearance of other types of material wear on the load-bearing
flanks of the ribbing can be different.
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3. Maintenance
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