Note
♦
The oils used with refrigerant R12 are not suitable for refrig‐
erant R134a.
♦
The name of the compressor manufacturer Nippondenso has
been changed to Denso.
♦
The special refrigerant oil (for use with refrigerant circuits
R134a only) is no longer commercially available.
♦
Refrigerant oils specifically designed for each compressor can
therefore be obtained from the replacement parts program.
Refer to Electronic Parts Catalog (ETKA).
♦
The use of other refrigerant oils could cause system failure, as
they do not always mix and thus circulate with refrigerant
R134a (for compressor lubrication).
♦
The Zexel / Valeo, Denso, Delphi and Sanden A/C compres‐
sors all have different refrigerant oils. Refer to Electronic Parts
Catalog (ETKA).
♦
Beginning the production year 2006, the name of the Zexel A/
C compressor was changed from Zexel to Valeo.
♦
The refrigerant oil (G 052 300 A2) for use in refrigerant circuits
with Denso compressors (old name Nippondenso) is also in‐
cluded in the retrofit kit (part number 4A0 298 107 A). Refer to
Electronic Parts Catalog (ETKA).
♦
For refrigerant circuits with Zexel or Sanden compressors use
is to be made of refrigerant oil with part number G 052 154 A2.
Refer to Electronic Parts Catalog (ETKA).
♦
Refrigerant oils G 052 154 A2 and G 052 300 A2 can be used
in a Delphi A/C compressor. Refer to the Electronic Parts Cat‐
alog (ETKA).
♦
For refrigerant circuits with Zexel / Valeo compressor, use can
be made of both the refrigerant oil (G 052 154 A2) and the
refrigerant oil (G 052 200 A2) contained in the retrofit kit (part
number 4A0 298 107). Refer to Electronic Parts Catalog (ET‐
KA).
Audi 100 1991 ➤ , Audi 80 1992 ➤ , Audi A1 2011 ➤ , Audi A2 2001 ➤ , A ...
Refrigerant R134a Servicing - Edition 01.2011
118 Rep. Gr.00 - General, Technical Data
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