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5.6.3
Sanden A/C Compressor
Note
♦
Belt pulley is sensitive to impact. Handle it with special care
♦
If overload protection of pulley triggers, check the A/C com‐
pressor for ease of motion before replacing the pulley. If the
A/C compressor creates friction, replace it completely.
♦
To remove belt pulley, it depends on engine version if it is
necessary to remove A/C compressor from engine. Refer to
⇒ “5.1 A/C Compressor, Removing From Bracket“,
.
♦
Different versions of the belt pulley may be installed depending
on the A/C compressor and engine. Make sure to use the cor‐
rect allocation. Refer to the Electronic Parts Catalog.
– Perform preliminary work as for removing belt pulley, refer to
⇒ “1.1 A/C Compressor Belt Pulley, Replacement“, page 24
Replacing a version 1 belt pulley (installed in 5 cylinder TFSI ve‐
hicles)
1 - Hex Head Nut
Note
❑ To loosen and tighten
hex nut, hold belt pulley
firmly in place using a
standard band wrench
(with webbing).
❑ Clean threads of hex nut
and threads of A/C com‐
pressor shaft of old
thread locking com‐
pound before screwing
on.
❑ Install the hex nut with
thread locking com‐
pound (e.g. with D 000
600 A2). Refer to Elec‐
tronic Parts Catalog
(ETKA).
❑ Nut tightening specifica‐
tion: 25 Nm
2 - Screw
❑ To loosen and tighten
bolts, hold belt pulley
firmly in place using a
standard band wrench
(with webbing).
❑ Tightening specifica‐
tion: 12 Nm
❑ Clean old bolt locking
compound from thread
of bolts and threads of
belt pulley before screw‐
ing on.
❑ Install the bolts with
thread locking compound (for example, D 000 600 A2). Refer to the Electronic Parts Catalog.
Audi TT 2007 ➤
Heating, Ventilation and Air Conditioning - Edition 01.2011
5. Removal and Installation
121
