Leon Mk2
| Installation overview for the heat exchanger / heating element for secondary heating (PTC) -Z35- |
| 1 - | Distributor housing, lower section |
| 2 - | Heating element for the secondary heating (PTC) -Z35- |
| q | Only in some vehicles |
| q | This is regulated on three levels by the air conditioning control unit, the engine control unit and two relays according to the outside temperature, the temperature of the liquid refrigerant and the generator load. |
| q | Check the relay for the heating element for the secondary heating (PTC) -Z35- with the actuator diagnostic → Engine, Injection; Rep. Gr.50 |
| t | Check the heating element for the secondary heating (PTC) -Z35- → Current flow diagrams, Electrical fault finding and Fitting locations |
| 3 - | Heat exchanger |
| q | With adhesive for forward and reverse motion → Item |
| q | Note the installation position: the adhesive must be on the upper part, the pipe connections must be centred in the recess in the distributor housing, lower section → Item-arrow- |
| 4 - | Adhesive on the heat exchanger for forward and reverse motion |
| q | In the direction of motion, right is supply, left is return |
| 5 - | Gasket with support |
| 6 - | Gasket in the transverse panel (mounting plate) |
| 7 - | O-rings |
| q | Replace |
| 8 - | Connection part for heat exchanger |
| q | Possible position discrepancies |
| 9 - | 20 Nm |
