Volkswagen Golf / Golf GTI / Golf Variant. Manual — part 550
13 - Dryer Bag
❑ There are different versions. Refer to the Parts Catalog.
❑ Removing and installing:
⇒ “2.6.1 Dryer Bag, Removing and Installing, Denso Condenser”, page 42
♦ Modine condenser. Refer to
⇒ “2.6.2 Dryer Bag, Removing and Installing, Modine Condenser”, page 44
.
♦ Keihin condenser. Refer to
⇒ “2.6.3 Dryer Bag, Removing and Installing, Keihin Condenser”, page 47
.
14 - Strainer
❑ There are different versions. Refer to the Parts Catalog.
❑ Removal and installation
⇒ “2.6.1 Dryer Bag, Removing and Installing, Denso Condenser”, page 42
♦ Modine condenser. Refer to
⇒ “2.6.2 Dryer Bag, Removing and Installing, Modine Condenser”, page 44
.
♦ Keihin condenser. Refer to
⇒ “2.6.3 Dryer Bag, Removing and Installing, Keihin Condenser”, page 47
.
15 - Receiver/Dryer
❑ There are different versions. Refer to the Parts Catalog.
❑ Is integrated on this version of the condenser
Note
Under certain conditions, the receiv‐
er/dryer and the dryer bag does not
need to be replaced each time the
refrigerant circuit is opened. Refer to
⇒ Refrigerant R134a Servicing;
Rep. Gr. 00 ; A/C System, General
Information .
2.3
Refrigerant Circuit Pressure Sensor -
G805- , Removing and Installing
Special tools and workshop equipment required
♦ Torque Wrench 1331 5-50Nm - VAG1331-
♦ Commercially Available 12-edge 1/2" Socket Long, 24 Open‐
ing
Removing
– When working on the refrigerant circuit, note the information.
Refer to
WARNING
Danger due to refrigerant coming out under pressure.
Danger of frost bite to skin and other parts of the body.
• If refrigerant drips out of the refrigerant pipe for longer than
1 second when loosening the Refrigerant Circuit Pressure
Sensor - G805- , then tighten the Refrigerant Circuit Pres‐
sure Sensor - G805- again. The check valve inside the
refrigerant pipe is faulty and must be replaced.
• Extract the refrigerant and immediately open the refriger‐
ant circuit after that.
• If the refrigerant was extracted more than 10 minutes in
the past and the refrigerant circuit was not opened, extract
the refrigerant again. Pressure in the refrigerant circuit is
caused by evaporation.
WARNING
Danger due to refrigerant coming out under pressure.
• Refrigerant will leak out if improper work is performed
when removing and installing.
Connection damage can be caused.
– Disconnect the connector -2-.
– Counterhold the refrigerant line with a suitable tool.
– Remove the pressure sensor -1- with a Commercially Availa‐
ble 12-Edge 1/2" Socket Long, 24mm .
Installing
Install in reverse order of removal.
Tightening Specifications
♦ Refer to Refrigerant Circuit Pressure Sensor - G805-
-item 19-
.
2.4
Expansion Valve, Removing and Instal‐
ling
Special tools and workshop equipment required
♦ Torque Wrench 1331 5-50Nm - VAG1331-
♦ A/C Service Station - VAS6007A- or succeeding model
♦ Engine Bung Set - VAS6122-
Functions
♦ The expansion valve atomizes the streaming refrigerant and
controls the flow quantity so that the vapor is gaseous only at
the evaporator outlet, depending on the heat transmission.
Removing
– When working on the refrigerant circuit, note the information.
Refer to
⇒ “4.1 Refrigerant Circuit, Specialized Repairs”, page 6
.
Note
♦
Refrigerant must be extracted beforehand using, for example,
the A/C Service Station - VAS6007A- .
♦
The previously used service stations can still be used see
equipment catalog.
♦
To prevent the ingress of dampness all components of the re‐
frigerant circuit which have been opened must be sealed with
suitable plugs.
♦
On some vehicles, connecting pipe from charge air cooler
should be removed. Refer to ⇒ Engine Mechanical, Fuel In‐
jection and Ignition; Rep. Gr. 21 ; Charge Air System; Over‐
view - Charge Air System .
Vehicles with a TDI Engine
– Press the release buttons on the hose -1- for the crankcase
ventilation and remove the hose from the cylinder head cover.
– Free up the vacuum hoses at the air guide pipe -arrows-.
– Loosen the hose clamp -3-.
– Pivot the air guide pipe with the connection rearward and re‐
move from the turbocharger.
All Vehicles
– Remove the sheet metal nuts -1 and 3-.
– Fold the heat shield -2- as far forward as possible -arrow-.
WARNING
Danger due to refrigerant coming out under pressure.
Danger of frost bite to skin and other parts of the body.
• Extract the refrigerant and immediately open the refriger‐
ant circuit after that.
• If the refrigerant was extracted more than 10 minutes in
the past and the refrigerant circuit was not opened, extract
the refrigerant again. Pressure in the refrigerant circuit is
caused by evaporation.
– Extract refrigerant.
– Remove the bolt -1-.
– Disconnect the refrigerant line -2- with the inner heat exchang‐
er from the expansion valve.
– Remove the bolts -1 and 3-.
– Remove the expansion valve -4- from the heat shield insula‐
tion -2-.
– Seal the open lines and connections with clean plugs from the
Engine Bung Set - VAS6122- .
Installing
Install in reverse order of removal. Note the following:
– Replace the seals, version. Refer to the Parts Catalog.
– Replace the seals -1 and 4- on the connecting tubes
-2 and 3- to the evaporator.
– Press in the refrigerant pipe -2- by hand on the expansion
valve.
– Install the bolt -1- by hand and the tighten to the specified
tightening specification.
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