Audi TT - Page 70

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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.
❑ Depending on engine version, it may be necessary to remove some components (for example, EVAP
canister) in order to be able to connect to service coupling.
WARNING
Only remove service
connections when the
refrigerant circuit is emp‐
ty. The connection does
not have a valve.
11 - Sealing Cap
❑ With seal
❑ Always screw on
12 - Expansion Valve
❑ Refrigerant lines, disconnecting and reconnecting, refer to
⇒ “5.18.13 Refrigerant Lines, Disconnecting and Connecting From Expansion Valve“, page 180 .
❑ Removing and installing, refer to ⇒ “5.18.10 Expansion Valve“, page 174 .
Note
13 - Evaporator
❑ A/C unit with evaporator, removing and installing, refer to ⇒ “5.3 A/C Unit“, page 108 .
❑ Removing and installing evaporator from heating & A/C unit, refer to ⇒ “5.18.9 Evaporator“, page 172 .
14 - Low Pressure Side Service Connection
❑ Different versions (with primary sealing valve or with Schrader valve) depending on refrigerant line, dis‐
tinguishing characteristics. Refer to ⇒ Refrigerant R134a Servicing; Rep. Gr. 00 ; Description and
Operation (Refrigerant Circuit).
❑ For the A/C service station to measure pressures and to discharge the refrigerant circuit, refer to⇒
Refrigerant R134a Servicing; Rep. Gr. 00 ; Description and Operation (A/C Service Station).
❑ To remove and install the service connection or the valve insert with the refrigerant circuit empty, use,
for example, an adapter from the Socket for A/C Valves -T10364- .
❑ Depending on engine version, it may be necessary to remove some components (for example, EVAP
canister) in order to be able to connect to service coupling.
WARNING
Only remove service
connections when the
refrigerant circuit is emp‐
ty. The connection does
not have a valve.
15 - Sealing cap
❑ With seal
❑ Always screw on
Audi TT 2007 ➤
Heating, Ventilation and Air Conditioning - Edition 01.2011
66 Rep. Gr.87 - Air Conditioning