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:
General Information
In order to be able to force moisture and other contaminants
out of refrigerant circuit, compressed air and nitrogen (to
force moisture out of refrigerant circuit) are to be used.
For the most part, blowing through the refrigerant circui ...
Valve, Removing and Installing, Metal Valve
Special tools and workshop equipment
required
Torque Wrench -VAG1410-
Perform the Following:
Removing
–
Remove the Tire Pressure Monitoring Sensor. Refer to
...
Warning lamp and coolant temperature display
Fig. 138 Coolant temperature display in
instrument cluster: Ⓐ cold; Ⓑ normal; Ⓒ warning
First read and observe the introductory information
and safety warningsA display for the coolant temperature may be, depending
on the vehicle equipment, located in instrument cluster. In normal driv ...
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Recycling and Disposal Regulations
Refrigerant, Keeping Records