Volkswagen Polo Service & Repair Manual: Refrigerant Circuit Repair Information
WARNING
| When performing work on refrigerant circuit, observe
all generally applicable safety precautions and pressure
vessel regulations. |
|
Caution
| Non-approved tools or materials such as leak sealing
additives can cause damage or malfunctions in the
system. |
| Only use tools and materials approved by the
manufacturer. |
| The warranty is voided if non-approved tools or
materials are used. |
|
| Special tools and accessories: |
| The performance of proper workmanlike repairs on an air
conditioning system: |
| Requires the use of special tools and materials as listed
in. Refer to
→ Chapter „Special Tools“. |
| Requires compliance with the basic instructions for use of
leak detectors. Refer to
→ Chapter „Refrigerant Circuit, Tracing Leaks, with Electronic
Leak Detector -VAG1796-“. |
| Requires expert knowledge. |
 Note
| Releasing refrigerant into the environment is not permitted
(punishable by law). Refer to
→ Chapter „Laws and Regulations“. |
|
|
|
At this time, A/C service units for extracting, cleaning and
filling refrigerant for motor vehicle A/C systems are available
from various manufacturers.
...
Other materials:
Refrigerant Circuit
A/C System Repair Information
An A/C system made for refrigerant R12 must not be filled
with refrigerant R134a without making modifications to the
refrigerant circuit. Refer to
→ Chapter „Refrigerant Circuit, Converting R12 to R134a and
Ser ...
Warning lamp
First read and observe the introductory information
and safety warnings
Lit up
Possible cause
Solution
Fault in the alternator.
Go to a qualified workshop. The electrical system should
be checked.
Switch off all electrical ...
Charge Factor
A vessel must have space for vapor as well as liquid. As the
temperature rises, the liquid expands. The space filled with
vapor decreases. At a certain point, there will only be liquid
in the vessel. Beyond this, even a slight increase in
temperature cau ...
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