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Features of the refrigerant system:
• Restrictor
• Reservoir
• A/C compressor manufactured by Denso or Zexel / Valeo. Re‐
fer to ⇒ Heating, Ventilation and Air Conditioning; Rep. Gr.
87 ; Description and Operation and Electronic Parts Catalog
(ETKA).
Vehicle model Production period Capacity in grams Differing features of this refrig‐
erant circuit
Audi A4 From 11.94
to 11.97
650 + 50 • Restrictor (not colored)
As of 11.97 700 + 50 • Restrictor colored (yellow)
• Showa condenser (distin‐
guishing feature
⇒ page 103 )
As of 11.98 550 + 50 • Restrictor colored (yellow)
• AWG condenser (distin‐
guishing feature
⇒ page 103 )
Audi RS 4 As of May 2000 650 + 50 • Restrictor colored (yellow)
Audi 100 1991 ➤ , Audi 80 1992 ➤ , Audi A1 2011 ➤ , Audi A2 2001 ➤ , A ...
Refrigerant R134a Servicing - Edition 01.2011
102 Rep. Gr.00 - General, Technical Data