Volkswagen Polo Service & Repair Manual: Refrigerant Circuit, Converting R12 to R134a and Servicing
 Note
| The laws and regulations listed below are applicable in
Germany. Different or additional laws and regulations may apply
in other countries. |
| Addresses in other countries can be obtained from the
relevant authorities. |
| For environmental reasons and on account of the
corresponding legislation, refrigerant R12 can no longer be
manufactured or supplied. Refrigerant R134a has been developed
as a replacement for R12. |
| A/C systems developed and designed for refrigerant R12
cannot however simply be charged with refrigerant R134a. To
ensure trouble-free operation of the air conditioning system
even after conversion, various components of the refrigerant
circuit must be replaced. |
| A precise description of the conversion procedure and
information on the servicing of converted refrigerant circuits
can be found in Repair Manual: Air Conditioner with Refrigerant
R12 Parts 2 and 3. This repair manual is only available in hard
copy. |
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Note
The laws and regulations listed below are applicable in
Germany. Different or additional laws and regulations may apply
in other countries.
...
Note
The laws and regulations listed below are applicable in
Germany. Different or additional laws and regulations may apply
in other countries.
...
Other materials:
Fitting the removable ball coupling
Fig. 91 Overview: removable ball coupling
First read and observe the introductory information
and safety warnings
The removable ball coupling is located under the luggage compartment floor with
the vehicle toolkit.
Key for :
Cap
Ball coupling
Retaining balls
Catch for locking ...
Oxygen Sensor Unit Protective Pipes
Note
In addition to using the part number, the protective pipe
can also be used for identification.
Version D1, 6 openings, 3.5 mm each
Only used with the 4-pin oxygen sen ...
Test after driving for 10 minutes
First read and observe the introductory
information and safety warnings
Reconnect the tyre filler hose and check the tyre pressure on the tyre
pressure display ⑥.
1.3 bar (19 psi / 130 kPA) and lower:
Do not drive on! The tyre cannot be sealed adequately
with the breakdown set.
...
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Recycling and Disposal Regulations
Refrigerant, Keeping Records