Refrigerant Oils - Audi 100 1991 Repair Manual

Audi 100 1991 ➤ , Audi 80 1992 ➤ , Audi A1 2011 ➤ , Audi A2 2001 ➤ , A ...
tioning; Rep. Gr. 87 ; Description and Operation and Elec‐
tronic Parts Catalog (ETKA).
Vehicle mod‐ Production period
el
Audi R8 As of 03.07
Note
Replacement restrictors with different holes are available: yel‐
♦
low colored 1.54 mm, red colored 1.42 mm.
Depending on manufacturer, color of red restrictor may tend
♦
more towards orange.
To avoid altering the cooling output of the air conditioner, red
♦
colored restrictors must only be installed.
3.3

Refrigerant Oils

Note
As PAG (polyalkylene glycol) oil is highly hygroscopic (attracts
♦
water), opened containers are to be immediately resealed so
as to be air-tight.
PAG oil from containers which have been open for a lengthy
♦
period is no longer usable.
Capacity in grams
+
650
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Refrigerant R134a Servicing - Edition 01.2011
Differing features of this refrigerant cir‐
• Red colored restrictor
/ - 20
cuit
117
3. Specifications