Audi A3 1997 Manual page 214

Audi A3 1997 ➤
Heating, Air Conditioner - Edition 06.2000
◆ -> Arrangement in a vehicle with map-controlled cooling:
- Refrigerant hose -A-: supply hose from cylinder head
- Refrigerant hose -B-: return hose to water pump
- The connection pipes of the heat exchanger are made of metal, the flow direction of the refrigerant is not
marked.
◆ Bleeding refrigerant circuit
=> Relevant Workshop Manual Engine; Mechanical Components; Repair group 19
- -> Position a container under connection -B- and carefully blow out the refrigerant from the heat exchanger
(using compressed air) via connection -A-.
- Remove expansion valve =>Page
- -> Seal refrigerant lines and open connections -A- and -B- at evaporator.
- Remove two hexagon nuts with washer -C- (tightening torque 15 Nm).
Note:
A fitting must accompany the seal at the hexagon nut washers.
208
87 - Air conditioning
203 .
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