Volkswagen Polo Service & Repair Manual: Empty Refrigerant Circuit
| – |
Remove malfunctioning component. |
| – |
Remove the A/C compressor. |
| – |
Remove oil drain plug from A/C compressor. |
 Note
| To speed up refrigerant oil drainage, turn A/C compressor by
hand via ribbed belt or magnetic clutch plate. |
| Pour the used refrigerator oil out of the A/C compressor. |
| Then fill the A/C compressor with quantity of fresh
refrigerant oil corresponding to quantity of refrigerant oil in
original part compressor. Refer to
→ Rep. Gr.87. |
| Use different refrigerant oils and quantities for the
various compressors. Refer to
→ Rep. Gr.87. |
| To ensure the compressor is lubricated at start-up, at least
80 cm3 of refrigerant oil must be
poured into the compressor. The remainder can be added to the
new reservoir or receiver/dryer. Refer to
→ Rep. Gr.87. |
| If dirt has penetrated into the compressor with the
refrigerant circuit open (for example after an accident),
compressor is to be replaced. |
| Flush the refrigerant circuit with compressed air and remove
moisture with nitrogen. Refer to
→ Chapter „Refrigerant Circuit, Flushing with Compressed Air and
Nitrogen“. |
| – |
Replace receiver/dryer or accumulator and restrictor. |
| – |
Assemble, evacuate and recharge refrigerant circuit. |
|
|
|
Discharge the refrigerant circuit.
–
Remove malfunctioning component, flush with compressed air,
collect escaping refrigerant oil.
...
Other materials:
Driving
a loaded vehicle
First read and observe the introductory information
and safety warnings
For good vehicle handling when driving a loaded vehicle, please observe the following:
Stow all items of luggage securely .
Accelerate carefully and gently.
Avoid sudden braking and driving manoeuvres.
...
Wiring Harness Repair Set - Hot Air Blower -VAS1978/14A
Caution
When heat-shrinking crimp connections, be careful
not to damage any other wiring, plastic parts or
insulating material with the hot nozzle of the hot air
gun.
Always ...
Working on Airbag System
WARNING
When working on the airbag system (pyrotechnic
components, Airbag Control Module -J234-, wiring), the
ground cable must be disconnected with the ignition
switched on.
...
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Refrigerant Still in Circuit