Volkswagen Polo Service & Repair Manual: Leaks or Internal Damage, for Example Noises or No Output
Note
For vehicles with an electrically-driven A/C compressor,
de-energize the high voltage system before removing the A/C
compressor. Refer to
→ Electrical System Hybrid; Rep. Gr.93. |
– |
Discharge the refrigerant circuit. |
– |
Remove the A/C compressor. |
Note
In the case of internal damage (on A/C compressor), flush
refrigerant circuit with refrigerant R134a. Refer to
→ Chapter „Refrigerant Circuit, Flushing (Cleaning) with
Refrigerant R134a“. |
If a different A/C compressor is installed with a different
refrigerant oil, the refrigerant circuit is to be flushed with
refrigerant R134a. Refer to
→ Chapter „Refrigerant Circuit, Flushing (Cleaning) with
Refrigerant R134a“. |
– |
Replace receiver/dryer/dryer cartridge and expansion valve
or reservoir and restrictor. |
– |
If a leak is present, check the expansion valve for debris
or corrosion and replace if necessary. |
– |
Assemble, evacuate and charge the refrigerant circuit. |
|
|
|
Note
For vehicles with an electrically-driven A/C compressor,
de-energize the high voltage system before removing the A/C
compressor. Refer to
...
Other materials:
Indicator lamp
First read and observe the introductory information
and safety warnings
Lit up
Possible cause
Cruise control system (CCS) is controlling the speed.
Several warning and indicator lamps will light up briefly as a functional check
whe ...
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This wear pattern is found on drive wheels on high-powered
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At high speeds, the centrifugal force increases the tire
diameter at the center of the tread more than at the shoulders
of ...
Indicator lamp in the vehicle key
Fig. 20 Indicator lamp in the vehicle
key
First read and observe the introductory information
and safety warnings
If a button on the vehicle key is pressed briefly, the indicator lamp (arrow)
flashes once. The lamp will flash several times if the button is pressed and held,
e.g. convenien ...
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