A4 Mk1
Note
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| Characteristics of refrigerant circuit: |
| l | Restrictor (yellow or red-coloured). |
| l | Reservoir |
| l | „Denso“ air conditioner compressor with air conditioner compressor regulating valve -N280- (no magnetic clutch) |
| Vehicle model | Production period | Capacity in grammes | Differing characteristics of this refrigerant circuit | ||
| Audi A4 | From 11.00 onwards | 500 + / - 20 |
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| Audi RS 4 | From 07.05 onwards | 440 + / - 20 |
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Note| t | Replacement restrictors with different holes are available (yellow-coloured 1.54 mm, red-coloured 1.42 mm). |
| t | Depending on manufacturer, colour of red restrictor may tend more towards orange. |
| t | To avoid altering the cooling output of the air conditioner, only red or yellow-coloured restrictors are to be fitted. Yellow-coloured restrictors were fitted in model year 2001. Red-coloured restrictors were introduced in model year 2002. The change to the restrictor (on vehicles produced in model year 2001, a red-coloured restrictor may also be fitted instead of a yellow-coloured one) does not alter the capacity for these vehicles. |
| t | Various air conditioner compressors have been fitted depending on the production period and engine (these air conditioner compressors have no magnetic clutch). |
| t | At the start of production exclusive use was made of type „6 SEU 12“ and „7 SEU 16“ air conditioner compressors from „Denso“. From model year 2004 onwards, different „Denso“ compressors (types „6 SEU 14“ and „7 SEU 17“) have gradually replaced the old ones. → Air conditioning; Rep. gr.87 (vehicle-specific workshop manual) and → Electronic parts catalogue |
| t | The Audi RS 4 is fitted with a condenser with a smaller internal volume. The capacity for this vehicle is therefore lower than for the other vehicles → Electronic parts catalogue. |
