Audi TT - Page 170

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Installing
• Tightening specification: bolts for securing compressor (to
charge air cooler) - 5 Nm.
Installation is done is reverse order, observe the following:
Note
The removed condenser contains refrigerant oil that must be re‐
turned to the refrigerant circuit (with the new condenser). Refer
to ⇒ Refrigerant R134a Servicing; Rep. Gr. 00 ; Removal and
Installation .
– Ensure sealing strips -arrows- have adhered correctly to con‐
denser -A-.
– Tighten bolts on condenser in -A, B- sequence.
– Attach refrigerant lines. Refer to
⇒ “5.18.12 Refrigerant Lines, Disconnecting and Connecting
from Condenser“, page 178 .
– Install fan shroud. Refer to ⇒ Engine Mechanical; Rep. Gr.
19 ; Removal and Installation .
– Install front bumper cover. Refer to ⇒ Body Exterior; Rep. Gr.
63 ; Removal and Installation .
– Evacuate and fill refrigerant circuit. Refer to ⇒ Refrigerant
R134a Servicing; Rep. Gr. 00 ; Description and Operation (A/
C Service Station).
– Install remaining components.
– Operate the A/C system after filling the refrigerant circuit. Re‐
fer to
⇒ “1.4 A/C System, Operating After Filling Refrigerant Circuit“,
page 28 .
Note
Note the information regarding operating the A/C system after
filling. Refer to ⇒ Refrigerant R134a Servicing; Rep. Gr. 00 ;
Description and Operation (A/C Service Station).
5.18.6 Dryer Cartridge On Condenser
Note
The reservoir on a 4 or 6 cylinder vehicle can either be attached
to the condenser or integrated in it, depending on the condenser
version. Replace an attached reservoir, refer to
⇒ “5.18.11 Fluid Reservoir“, page 175 .
Removing
– Switch off ignition.
– Discharge refrigerant circuit. Refer to ⇒ Refrigerant R134a
Servicing; Rep. Gr. 00 ; Description and Operation (A/C Serv‐
ice Station).
– Remove the condenser. Refer to 4 cylinder
⇒ “5.18.3 Condenser“, page 159 or 6 cylinder
⇒ “5.18.5 Condenser“, page 164 .
Audi TT 2007 ➤
Heating, Ventilation and Air Conditioning - Edition 01.2011
166 Rep. Gr.87 - Air Conditioning