Audi TT - Page 55

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4 - Oil Drain Plug
5 - Pressure Relief Valve
6 - Connection With Valve
7 - High Pressure Sensor -G65-
1)
❑ Removing and installing, refer to
⇒ “5.15 High Pressure Sensor G65 “, page 151 .
❑ Checking signal, refer to ⇒ “4.8 High Pressure Sensor G65 , Checking Pressure Signal“, page 96 .
8 - Condenser
9 - Fluid Reservoir
❑ Fluid reservoir is mounted directly on the condenser.
10 - High 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, to discharge and recharge the refrigerant circuit, refer
to ⇒ Refrigerant R134a Servicing; Rep. Gr. 00 ; Diagnosis and Testing .
❑ 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 a seal
❑ Always screw on
12 - Expansion Valve
13 - Evaporator
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 ; Diagnosis and Testing .
❑ 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
2. Description and Operation 51