Renewing Air Conditioner Compressor - Volkswagen Amarok 2011 Workshop Manual

Amarok 2011 ➤ , Beetle 2012 ➤ , Bora 1999 ➤ , CC 2010 ➤ , CC 2012 ➤ , ...
– Remove defective part, purge with compressed air and collect
escaping refrigerant oil.
– A quantity of fresh refrigerant oil equal to the quantity of re‐
frigerant oil that has been blown out (plus 20 cm
evaporator, plus 10 cm
and refrigerant hoses) should be poured into the new compo‐
nent.
– Renew restrictor. Depending on vehicle
– Assemble refrigerant circuit, evacuate and charge.
11.2

Renewing air conditioner compressor

Note
On vehicles equipped with an electrical air conditioner compres‐
sor, de-energise the high-voltage system before removing the air
conditioner compressor. ⇒ Electric drive; Rep. gr. 93 ; Electric
drive; De-energising high-voltage system
11.2.1 Without needing to purge refrigerant cir‐
cuit of contaminants (cleaning), e.g. in
cases of external damage after an acci‐
dent
– Drain refrigerant circuit.
– Remove air conditioner compressor.
Note
If a different air conditioner compressor with other refrigerant oil
is fitted, purge the refrigerant circuit with R134a refrigerant
⇒ page 67 .
Electrical air conditioner compressor:
If an electrical air conditioner compressor is renewed without hav‐
ing a mechanical fault (e.g. defective printed circuit board), the
amount of refrigerant oil from this electrical air conditioner com‐
pressor must be determined.
Note
The air conditioner compressor must be purged in order to
♦
extract the refrigerant oil which needs to be determined.
♦ Purge the air conditioner compressor in normal direction of
flow (from low-pressure inlet to high-pressure outlet).
In order to purge as much refrigerant oil from the air condi‐
♦
tioner compressor as possible make sure that the high-pres‐
sure outlet of the air conditioner compressor is in the lowest
position possible.
If an air conditioner service station without purging programme
♦
is used, the sequence has to be carried out manually (evacu‐
ate, purge 3 times with at least 2 kg of refrigerant each time
and extract refrigerant again, evacuate).
Determined amount e.g. 50 cm³
Air conditioning system with refrigerant R134a - Edition 10.2014
3
for the condenser, refrigerant pipes
3
for the
11. Renewing components
161