Vehicle model Production period Capacity in grams Differing features of this refrigerant circuit
From 11.97
to 08.98
850 + 50 • Restrictor colored (yellow)
• Air conditioner version 1, refer to ⇒
Heating, Ventilation and Air Condi‐
tioning; Rep. Gr. 87 ; Diagnosis and
Testing (vehicle-specific repair man‐
ual)
• Condenser with flat pipe dimensions
20 mm x 3 mm ⇒ page 111
Note
♦
Restrictors with a modified hole have been installed at the fac‐
tory since November 1997 (yellow colored). The capacity was
increased by 50 g for vehicles in which a yellow colored re‐
strictor was installed.
♦
In order to distinguish between the two restrictor versions, the
one with the smaller hole (1.54 mm) is yellow colored. The
restrictor with the larger hole (1.83 mm) is not colored.
♦
If a vehicle is equipped with a colored restrictor as replacement
for a non-colored restrictor, add 50 g more refrigerant than
specified in the table. In addition, the capacity specified on the
label in the vehicle is to be checked and amended if necessary,
or the existing label is to be replaced with one indicating the
correct capacity (affix over old label).
♦
The Audi A6 are equipped with different A/C compressors de‐
pending on engine and production period.
♦
Production was gradually switched in August/September 1998
from air conditioner unit version 1 to air conditioner unit version
2. A reduction in capacity was achieved as the evaporator was
also modified together with the air conditioner unit.
♦
The two air conditioner unit versions can be identified on the
basis of certain characteristics described in the vehicle-spe‐
cific repair manual. Refer to ⇒ Heating, Ventilation and Air
Conditioning; Rep. Gr. 87 ; Description and Operation and
Electronic Parts Catalog (ETKA).
♦
Beginning the production year 2006, the name of the Zexel A/
C compressor was changed from Zexel to Valeo.
Vehicle model Production period Capacity in grams Differing features of this refrigerant cir‐
cuit
Audi A6
• With 4-cyl‐
inder en‐
gine
• With 6-cyl‐
inder gas‐
oline en‐
gine
From 08.98
to 04.99
750 + 50 • Restrictor colored (yellow)
• Air conditioner version 2, refer to ⇒
Heating, Ventilation and Air Condi‐
tioning; Rep. Gr. 87 ; Description
and Operation (vehicle-specific re‐
pair manual).
• Condenser with part no. 4B0 260
401 (403) and index D, E or F (flat
pipe dimensions 20 mm x 3 mm
⇒ page 111 ). Refer to Electronic
Parts Catalog (ETKA).
Audi 100 1991 ➤ , Audi 80 1992 ➤ , Audi A1 2011 ➤ , Audi A2 2001 ➤ , A ...
Refrigerant R134a Servicing - Edition 01.2011
108 Rep. Gr.00 - General, Technical Data
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