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:
3-Color Visual Indicator, Checking
WARNING
Risk of injury. Follow all Warnings and Safety
Precautions. Refer to
→ Chapter „Warnings and Safety Precautions“.
Visual Indicator General Informatio ...
Current Draw Test
WARNING
Batteries that have a light yellow visual indicator
do not have to be tested or charged. Jump starting must
not be used!
There is a risk of explosion during testing,
...
Headlight range control, instrument and switch lighting
Fig. 69 Next to the steering wheel: control
for instrument and switch lighting ① and headlight range control ②
First read and observe the introductory information
and safety warnings
① Instrument and switch lighting
When the headlights are switched on, the brightness of the instrument ...
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Flushing Not Necessary