64 53... Notes on replacing drier bottle or drier insert
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The drier bottle or drier insert does not have to be replaced at regular service intervals in a functioning, leakproof A/C system.
However, the drier bottle or drier insert must be replaced without fail in the event of:
- fouling of the refrigerant by filings/shavings (e.g. when the compressor is clamped)
- a leaking A/C system or loss of refrigerant
- the refrigerant circuit being opened for a period exceeding 24 hours, e.g. during repair work.