Capacities For A4 (8E_) From My 2001 And AUDI A4 Cabriolet (8H_) From My 2003
Features of the refrigerant system:
- Restrictor
- Reservoir
- "Denso" A/C compressor with A/C Compressor Regulator Valve -N280- (without solenoid coupling). Refer to REFRIGERANT CIRCUIT R134a
| Vehicle model | Production period | Total quantity of oil in refrigerant circuit in cm(1) | Quantity of refrigerant oil in replacement compressor in cm(1) | Differing features of this refrigerant circuit | ||
|---|---|---|---|---|---|---|
| Audi A4 Audi RS 4 | From 11/2000 to 01/2004
|
180 + /- 10 | 180 + /- 10 |
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From of 01/2004
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120 + /- 10 | 120 + /- 10 |
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From of 01/2004
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130 + /- 10 | 130 + /- 10 |
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The replacement compressor contains the full quantity of oil intended for the refrigerant circuit. On A/C compressor replacement, the quantity of oil in the A/C compressor is therefore to be adjusted. Refer to REFRIGERANT CIRCUIT COMPONENTS, REPLACING .
The Audi A4 is equipped with different A/C compressors depending on engine and production period. This A/C compressor is available as replacement parts with different oil fill capacities, therefore note the exact part number. Refer to the REFRIGERANT CIRCUIT R134a (vehicle-specific repair information) and the parts information.
The reason for the different oil capacities inside the A/C compressor is due to the design of the A/C compressor (with or with an oil separator on the high pressure connection) or to the design of the refrigerant circuit if the A/C compressors are have the identical design. Pay attention to the different capacities. Too much oil in the circuit leads to higher pressures and reduces cooling performance of the system. Too little oil may lead to lubrication problems in the compressor.
A data plate may be attached to the A/C compressor by the manufacturer, indicating the part number and refrigerant oil quantity.