Audi Air conditioning 2003 A8 Workshop Manual page 21

Note
Do not unfasten the refrigerant lines and corresponding
♦
clamps.
This illustration shows the compressor for the 8-cyl. MPI en‐
♦
gine. The layout for the other engine versions only differs
slightly from this illustration (e.g. different refrigerant lines). ⇒
Engine, mechanics; Rep. gr. 13
Depending on the vehicle model, it may be necessary to press
♦
aside or detach certain hoses in the area of the compressor.
This illustration shows the compressor for the 8-cyl. diesel en‐
♦
gine.
Depending on the type of bolts -A- and the routing of the re‐
♦
frigerant line, it may be necessary to detach the refrigerant
lines from the compressor (drain the refrigerant circuit) to
slacken off and remove the bolts -A- on vehicles with an 8-cyl.
diesel engine ⇒ page 138
Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not
– Remove the top engine cover (vehicles with 8-cyl. diesel en‐
permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability
gine only): ⇒ Engine, mechanics; Rep. gr. 13
with respect to the correctness of information in this document. Copyright by AUDI AG.
– Remove the noise insulation ⇒ General body repairs, exterior;
Rep. gr. 50 .
– Move the lock carrier to the service position ⇒ General body
repairs, exterior; Rep. gr. 50 .
– Remove the oil filter if necessary. Protect the sealing surfaces
to prevent damage (certain vehicles with 6-cyl. petrol engine
only). ⇒ Engine, mechanics; Rep. gr. 17
– Slacken off the poly V-belt (poly V-belt for air conditioner com‐
pressor on vehicles with 6-cyl. diesel engine) and detach the
belt. ⇒ Engine, mechanics; Rep. gr. 13
– Mark the connector to the air conditioner compressor regulat‐
ing valve -N280- to prevent possible interchange with the
connector to the electric engine mounting.
Note
If the connectors to the air conditioner compressor regulating
valve -N280- and the electric engine mounting are interchanged,
no entry is made in the fault memory, but the evaporator could ice
up as the compressor is constantly actuated.
– Unplug the air conditioner compressor regulating valve -N280-
at the connector.
.
Audi A8 2003 ➤
Air conditioning - Edition 09.2010
3. Servicing refrigerant circuit
15