Q7 Quattro V6-3.6L (BHK) (2007)
service station.
12
Closing cap
‹› With seal
‹› Always screw on
13
Connection with valve
‹› Different installation locations depending on version and engine of the vehicle.
14
High Pressure Sensor (G65)
‹› Removing and installing => [ High Pressure Sensor ] See: Refrigerant Pressure Sensor / Switch/High Pressure Sensor / Switch/Service and
Repair
‹› Checking signal => [ High Pressure Sensor, Checking Pressure Signal ] See: Testing and Inspection/Component Tests and General
Diagnostics/High Pressure Sensor, Checking Pressure Signal
15
Front expansion valve
‹› For evaporator in front heating & A/C unit (heating & A/C unit under instrument panel)
‹› Different versions.
‹› Removing and installing => [ Front Expansion Valve ] See: Expansion Valve/Service and Repair/Front Expansion Valve
16
Evaporator
‹› Evaporator in front heating & A/C unit (under instrument panel)
‹› To remove the evaporator, the front heating & A/C unit must be removed and disassembled => [ Front HVAC Unit Evaporator ] See:
Evaporator Core/Service and Repair/Removal and Replacement/Front HVAC Unit Evaporator and => [ Front HVAC Unit ] See: Service and
Repair/Overhaul/Front HVAC Unit.
‹› Clean A/C system evaporator using ultrasonic HVAC cleaning system (VAS 6189)
17
Service connection
CAUTION!
Service connections (connection is not equipped with a valve) or the valves installed in them must only be removed when refrigerant
circuit has been discharged.
‹› Low pressure side
‹› Different versions (with primary sealing valve or with Schrader valve) depending on refrigerant line, distinguishing characteristics.
‹› Used for measuring and discharging by A/C system service point workshops
‹› Depending on engine version, it may be necessary to remove different components in order to be able to connect to service coupling of the
service station.
18
Closing cap
‹› With seal
‹› Always screw on
19
Pre-volume
‹› Is a component of refrigerant line to compressor.
‹› Pressure fluctuations are damped in the pre-volume
‹› Not installed on all vehicles (depending on engine and version)