Audi A4 2001 - Page 135

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Note
♦ The replacement compressor contains the full quantity of oil
intended for the refrigerant circuit. On A/C compressor re‐
placement, the quantity of oil in the A/C compressor is there‐
fore to be adjusted. Refer to
⇒ “5 Removal and Installation“, page 191 .
♦ The Audi A6 are equipped with different A/C compressors de‐
pending on engine and production period.
♦ As of model year 2002, the Audi A6 features compressors with
A/C clutch or regulator valve (different oil quantities) depend‐
ing on the engine. For the Audi allroad with 6 cylinder. diesel
engine, this gradual change is introduced in model year 2003.
Refer to ⇒ Heating, Ventilation and Air Conditioning; Rep. Gr.
87 ; Description and Operation (vehicle-specific repair man‐
ual) and Electronic Parts Catalog.
♦ Beginning the production year 2006, the name of the Zexel A/
C compressor was changed from Zexel to Valeo.
Features of the refrigerant system:
• Restrictor
• Reservoir
• Denso A/C compressors with an A/C compressor regulator
valve -N280- , refer to ⇒ Heating, Ventilation and Air Condi‐
tioning; Rep. Gr. 87 ; Description and Operation (vehicle-
specific repair manual) and to the Electronic Parts Catalog.
Vehicle model Production peri‐
od
Total quantity of oil
in refrigerant cir‐
cuit in cm
3
Quantity of refrig‐
erant oil in re‐
placement com‐
pressor in cm
3
Differing features of this re‐
frigerant circuit
Audi A6
• 4-cylinder Gaso‐
line engine 2.0 l
• 6-cylinder Gaso‐
line engine 3.0 l
All 220 + 20 220 + 20 Compressor type 6 SEU 12
or 7 SEU 16 (see notes be‐
low)
Audi A6/Audi allroad
• 4-cylinder Diesel
engine
• 6-cylinder Diesel
engine
(see notes for Audi
allroad)
As of 05.01 245 + 20 245 + 20 Compressor type 6 SEU 12
or 7 SEU 16 (see notes be‐
low)
Audi allroad
• 8-cylinder engine
(with chain-driven
camshaft)
All 220 + 20 220 + 20 A/C compressor type 7 SEU
17 (see notes below)
Audi 100 1991 ➤ , Audi 80 1992 ➤ , Audi A1 2011 ➤ , Audi A2 2001 ➤ , A ...
Refrigerant R134a Servicing - Edition 01.2011
3. Specifications 131