| Renewing refrigerant circuit components |
WARNING | Danger of freezing injuries. |
| If refrigerant circuit has not been evacuated, refrigerant will escape. |
| Extract refrigerant before opening refrigerant circuit. If the refrigerant circuit is not opened within 10 minutes after it has been evacuated, pressure may develop in coolant circuit due to re-evaporation. Extract refrigerant again. |
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| The refrigerant must be extracted beforehand, e.g. with air conditioning service station -VAS 6007A- or later models. |
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| The previously used air conditioner service stations can still be used ⇒ Volkswagen Workshop Equipment catalogue. |
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| Safety measures when working on an evacuated refrigerant circuit → Chapter. |
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| To prevent the intrusion of moisture, all components of the refrigerant circuit which have been opened must be sealed with suitable plugs. |
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| The colour coding of O-rings for R134a refrigerant circuits has been discontinued. Coloured and black O-rings are used. |
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| It is not necessary to renew the dryer cartridge each time the refrigerant circuit is opened → Rep. gr.00; „Renewing components“. |
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| Only the components marked with an * can be renewed without opening and evacuating the refrigerant circuit. |
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