Audi Q3: Receiver/Dryer, Removing and Installing
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
refrigerant 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.
Note
- The receiver/dryer is only removed on the Showa/Keihin
condenser.
- Depending on the version, the receiver/dryer is either
completely replaced or only the dryer cartridge is replaced on
the Showa/Keihin condenser (there are different versions. Refer
to the Parts Catalog).
Special tools and workshop equipment
required
- Engine Bung Set -VAS6122-
Removing
- Remove the lock carrier cover. Refer to
→ Body Exterior; Rep. Gr.63; Front Bumper; Attachments, Removing
and Installing.
- Discharge the refrigerant circuit. Refer to
→ Refrigerant R134a, Servicing; Rep. Gr.87; Refrigerant Circuit
(Refrigerant R134a, Servicing; Refrigerant Circuit, Using
Service Station).
- Remove the front bumper cover. Refer to
→ Body Exterior; Rep. Gr.63; Front Bumper; Bumper Cover,
Removing and Installing.
- For vehicles with a charge air cooler, remove the charge air
cooler. Refer to
→ Rep. Gr.21; Charge Air System; Charge Air Cooler, Removing and
Installing.
- Remove the bolts -E-.
- Remove the bolt -B- and then
remove the bracket -C- downward.
- Remove the receiver/dryer -D-
upward from the condenser -A--arrow-.
- Seal the open connections with clean plugs from the Engine
Bung Set -VAS6122-.
Installing
Installation is done is reverse order, observe the
following:
- Replace the O-ring seals. For the correct version, refer to
the Parts Catalog.
Note
- Coat the O-ring seals lightly with refrigerant oil prior to
installation. Refer to
→ Chapter "Refrigerant Circuit Seals".
- Check the O-ring seals -B and C-
for proper seating in the grooves -arrows-
on the respective mount.
- Keep receiver/dryer closed as long as possible; do not
remove caps until just before installing. receiver/dryer
contains a desiccant bag which will become saturated with
moisture in a short time if accumulator is left open. This makes
the accumulator unusable.
- Clean the condenser contact surface
-D- .
- Mount the receiver/dryer -A- on
the condenser and tighten the bolts.
- For vehicles with a charge air cooler, install the charge
air cooler. Refer to
→ Rep. Gr.21; Charge Air System; Charge Air Cooler, Removing and
Installing.
- Install the front bumper cover. Refer to
→ Body Exterior; Rep. Gr.63; Front Bumper; Bumper Cover,
Removing and Installing.
- Evacuate the refrigerant circuit and fill it. Refer to
→ Refrigerant R134a, Servicing; Rep. Gr.87; Refrigerant Circuit
(Refrigerant R134a, Servicing; Refrigerant Circuit, Using
Service Station).
- Operate the A/C system after filling the refrigerant
circuit. Refer to
→ Chapter "A/C System, Starting Operation after Filling
Refrigerant Circuit".
- Check the DTC memory and erase any displayed entries using
the Vehicle Diagnostic Tester in the "Guided Fault Finding"
function.
Tightening Specifications
- Receiver/dryer to condenser: 10 Nm
READ NEXT:
Dryer Bag/Dryer Cartridge, Removing and Installing
WARNING
Danger due to refrigerant coming out under pressure.
Danger of frost bite to skin and other parts of the
body.
Extract the
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
refrigerant
SEE MORE:
General notes
Each tire, including the spare (if provided),
should be checked monthly when cold and inflated
to the inflation pressure recommended by the
vehicle manufacturer on the vehicle placard or
tire inflation pressure label. (If your vehicle has
tires of a different size than the size indica
Switching the lights on and off
Fig. 37 Instrument panel: light button module
Light switch
Press and hold 1 until the desired light function
is selected. The selected function is displayed
briefly in the instrument cluster. When switching
on the ignition, the AUTO light function is automaticall