Audi A8 2003 Maintenance Manual page 77

Procedure:
– Fit reversible ratchet onto centre bolt -1- of crankshaft.
– Turn poly V-belt clockwise using reversible ratchet and check
pulley for air conditioner compressor -5- and 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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with respect to the correctness of information in this document. Copyright by AUDI AG.
3.44.2 10-cyl. petrol engine 5.2 ltr. FSI
Special tools and workshop equipment required
Audi A8 2003 ➤
Maintenance - Edition 06.2014
3. Maintenance
73