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 lamps
Fig. 55 In the upper section of the centre
console: indicator lamp for disabled front passenger front airbag
First read and observe the introductory information
and safety warnings
Lit up
Location
Possible cause
Solution
Instrument c ...
Frontal collisions and the laws of physics
Fig. 45 Unbelted occupants in a vehicle
heading for a brick wall
Fig. 46 Unbelted occupants in a vehicle
striking a brick wall
First read and observe the introductory information
and safety warnings
The physical principles involved in a frontal collision are relatively simple.
As soon a ...
Electronic immobilizer
First read and observe the introductory information
and safety warnings The immobilizer helps to prevent the engine
from being started and driven with an unauthorised vehicle key.
There is a chip in the key. It automatically deactivates the immobilizer when
the vehicle key is inserted into ...
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