A3 Mk2
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| 1 - | Heater air distribution housing |
| q | Not to be further dismantled |
| q | On vehicles with no supplementary air heater element -Z35-, the opening for the supplementary air heater element -Z35- is sealed with the cover for the heat exchanger. |
| q | If necessary, moisten the mounts and guides of the temperature flaps with a small quantity of grease (e.g. G 052 745 A3). |
Note| Heater air distribution housings with a flap in the air outlet to the dash panel defroster vents with no side recess were gradually introduced as of November 2007. On vehicles with no air conditioner (heater only) or with manually controlled air conditioner (not automatically controlled), this modification to the flap has no influence on regulation of the heater and manually controlled air conditioner (the flap is only actuated by way of the setting on the controls of the heater or manual air conditioner) → Chapter. |
| 2 - | Bolt |
| 3 - | Air duct to left footwell vent |
| q | „Heater“ version |
| 4 - | Heating system heat exchanger |
| q | Removing and installing → Chapter |
| 5 - | Sealing ring |
| q | Replace |
| q | Moisten slightly with coolant and fit in correct position → Chapter |
| 6 - | Clamp |
| q | Replace |
| q | Ensure correct positioning. |
| q | Removing and installing → Chapter |
| 7 - | Bolt |
| q | Tightening torque 2.5 Nm |
| 8 - | Coolant pipes |
| q | Detaching from heat exchanger/attaching → Chapter |
| 9 - | Foam spacer |
| q | Fitted between grommet and heater |
| 10 - | Grommet |
| q | Insert in vehicle bulkhead before fitting heater → Chapter |
| q | Installing → Chapter |
| 11 - | Air duct |
| q | Dismantling and assembling → Chapter |
| 12 - | Dust and pollen filter |
| q | Removing and installing → Chapter |
| q | Heed replacement intervals → Maintenance tables |
| q | Different versions of the dust and pollen filter are available as replacement part (with and without activated charcoal element) → Electronic parts catalogue |
| q | Notes on version with activated charcoal filter element → Chapter |
| 13 - | Dust and pollen filter cover |
| q | Removing and installing → Chapter |
| 14 - | Air duct to right footwell vent |
| q | „Heater“ version |
| 15 - | Sealing plug |
| q | Only fitted on vehicles with no air duct to the vent in the rear centre console (vent not fitted at present, introduction not yet finalised) . |
