Audi TT - Page 58

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1 - Cap
2 - Drive Plate
❑ Replace
❑ Bolted with the A/C
compressor driveshaft,
clean the compressor
shaft thread before
mounting the drive
plate.
Note
❑ Different versions. Re‐
fer to Electronic Parts
Catalog (ETKA).
❑ The overload protection
takes over when the tor‐
que is excessive (for ex‐
ample, if the A/C com‐
pressor runs with resist‐
ance) and the belt pulley
runs freely without driv‐
ing the A/C compressor.
❑ With rubber elements
for decoupling belt pul‐
ley from A/C compres‐
sor input shaft, damp‐
ens vibrations and
noise.
❑ For installation, lightly
coat rubber elements,
e.g. with tire mounting
paste or a soap solution
(as a lubricant)
❑ Removing and instal‐
ling, refer to
⇒ “5.6.1 Denso A/C
Compressor (Version 1)“, page 117 .
❑ Tightening specification 30 Nm
3 - Circlip
❑ Replace
❑ install on correct side (flat side toward A/C compressor).
❑ Removing and installing, refer to ⇒ “5.6.1 Denso A/C Compressor (Version 1)“, page 117 .
4 - Belt Pulley
❑ Belt pulley is made of plastic and is sensitive to impact, therefore handle it with especial care.
❑ Different versions (depending, for example, on the type of engine). Refer to Electronic Parts Catalog
(ETKA).
❑ Removing and installing, refer to ⇒ “5.6.2 Denso A/C Compressor (Version 2)“, page 119 .
5 - A/C Compressor
❑ Different versions may be installed, depending on engine version and country version of vehicle. Refer
to Electronic Parts Catalog (ETKA).
❑ Clean A/C compressor flange before sliding on pulley.
❑ Clean the compressor shaft thread before installing the drive plate and lightly coat it the lubricant.
Audi TT 2007 ➤
Heating, Ventilation and Air Conditioning - Edition 01.2011
54 Rep. Gr.87 - Air Conditioning