Audi Air conditioning 2003 A8 Workshop Manual page 163

– Unplug the connector -arrow- at the radiator outlet coolant
temperature sender -G83- .
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– Detach the coolant hose -2- at the bottom from the thermostat
housing.
– Screw out the bolts -arrows-.
– Detach the thermostat housing and disconnect the coolant
hose -1- at the top from the thermostat housing.
Note
So as not to damage the refrigerant lines/hoses, take care to
avoid straining, kinking or bending the lines and hoses.
– Screw out the bolts -1- and -2-.
– Detach the refrigerant lines from the air conditioner compres‐
sor.
Note
Seal open lines and the connections at the air conditioner com‐
pressor with suitable caps (to prevent the ingress of dirt and
moisture).
– Unplug the connector -2- and unscrew the engine mounting
from the engine support.
Audi A8 2003 ➤
Air conditioning - Edition 09.2010
13. Servicing refrigerant circuit
157