Audi A8 2010 Maintenance Manual page 87

– Turn poly V-belt clockwise using counterhold tool - T10172-
and check pulley for air conditioner compressor -7- 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 components according to table (see
table of test values and procedure guidelines
to Workshop Manual for procedure ⇒ ; Rep. gr. 13 ; Cylinder
block (pulley end); Exploded view - poly V-belt drive .
Continue installation in reverse sequence.
Note
The illustration shows possible damage to the pulley. The ap‐
♦
pearance of other types of material wear on the load-bearing
flanks of the ribbing can be different.
Vehicles from model year 2014 onwards are not fitted with a
♦
power steering pump.
3.46.2 8-cyl. diesel engine 4.2 ltr. TDI
Special tools and workshop equipment required
♦ Adapter - T40058-
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permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability
with respect to the correctness of information in this document. Copyright by AUDI AG.
Maintenance - Edition 11.2014
⇒ page 82 ); refer
Audi A8 2010 ➤
83
3. Maintenance