Removing And Installing Reservoir - Audi Air conditioning 2003 A8 Workshop Manual

– Check correct positioning of the O-ring -C- (7.5 mm; 1.5 mm)
in the groove.
– Before fitting, moisten the O-ring (of the restrictor and at the
screw connection) with a small quantity of refrigerant oil
⇒ page 13 .
– Ensure correct positioning of the restrictor -B- on installation
(arrow on restrictor pointing towards evaporator).
– Check positioning of the restrictor (snug fit in refrigerant line).
– Replace the O-ring -D- (11.1 mm; 1.8 mm).
– Take care not to strain the refrigerant lines on installation.
– Tighten the screw connection -A- to 15 Nm.
Note
Check the position of the refrigerant lines after tightening the
screw connection (the refrigerant lines must not make contact
with other components).
– Evacuate and refill the refrigerant circuit. ⇒ Air conditioner with
refrigerant R134a
– Start up the air conditioner after charging the refrigerant circuit
⇒ page 177 .
Note
Also heed the notes on start-up of the air conditioner after charg‐
ing ⇒ Air conditioner with refrigerant R134a .
13.17

Removing and installing reservoir

Note
There are different reservoir versions and fitting locations de‐
♦
pending on the vehicle model. ⇒ Electronic parts catalogue
On vehicles with 8-cyl. diesel engine, the reservoir -A- can be
♦
taken out from above without removing the bumper.
13.17.1 Removing
– Drain the refrigerant circuit: ⇒ Air conditioner with refrigerant
R134a
– Remove the front bumper (does not apply to vehicles with 8-
cyl. diesel engine). ⇒ General body repairs, exterior; Rep. gr.
63
– Move the lock carrier to the service position (does not apply to
vehicles with 8-cyl. diesel engine). ⇒ General body repairs,
exterior; Rep. gr. 50
– If applicable, remove the charge air cooler/secondary air pump
motor (not necessary on all vehicles) ⇒ Engine, mechanics;
Rep. gr. 21 and ⇒ Engine, mechanics; Rep. gr. 26 .
Air conditioning - Edition 09.2010
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with respect to the correctness of information in this document. Copyright by AUDI AG.
Audi A8 2003 ➤
13. Servicing refrigerant circuit
169