Technical Data - Group D
Refrigerant: R 134a, Part/Catalogue No.: 90 443 833/19 40 447
Filling quantity for 4-cylinder-petrol engines, V6 petrol engines and diesel engine X 17 DT: 900 grams
Filling quantity for diesel engines X 20 DTL, X 20 DTH, Y 20 DTH and Y 22 DTR: 750 grams
| 4-cylinder petrol engine and diesel engines X 20 DTL / X 20 DTH / Y 20 DTH / Y 22 DTR | V6 petrol engine X 25 XE/Y 26 SE | X 17 DT diesel engine |
|---|
| Compressor lubricant: |
| Designation | Synthetic PAG fluid | Synthetic PAG fluid ND/8 | Synthetic PAG fluid ND/8 |
| | | |
| Total filling quantity | 295 ml | 120 ml | 155 ml |
| | | |
| Part/Catalogue No. | 90 443 840/19 49 871 | 90 509 933/19 49 873 | 90 509 933/19 49 873 |
| O-ring lubricant: |
| Designation | Mineral fluid | Mineral fluid | Mineral fluid |
| Part/Catalogue No. | 90 001 810/19 49 870 | 90 001 810/19 49 870 | 90 001 810/19 49 870 |
| Reference gap | 0.38 to 0.69 mm | 0.35 to 0.65 mm | 0.35 to 0.65 mm |
| Pressure in low-pressure area: | 155 to 185 kPa |
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| Pressure in high-pressure area: | 1400 to 2000 kPa |
| Switch pressures | ON | OFF |
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| Auxiliary fan switch S65: | | |
| | |
| Speed 1 | 1700 kPa | 1400 kPa |
| Speed 2 | 2100 kPa | 1800 kPa |
| Speed 3 | 2400 kPa | 2100 kPa |
| Triple switch S20: | | |
| | |
| Low pressure | 250 kPa | 180 kPa |
| High pressure | 2000 kPa | 3000 kPa |
| Engine speed increase (petrol engine only) | 1100 kPa | 900 kPa |
| Switching temperatures of the coolant temperature switch: | ON | OFF |
|---|
| S29 | | 100 �C | 90 �C |
| | | |
| S66 | Contact 1 | 100 �C | 95 �C |
| Contact 2 | 105 �C | 100 �C |
| Contact 3 | 100 �C | 105 �C |
| | | |
| S88 | Contact 1 | 100 �C | 95 �C |
| Contact 2 | 105 �C | 100 �C |
| | | |
| S128 | Contact 1 | 115 �C | 120 �C |
| Contact 2 | 110 �C | 105 �C |
