Seat Leon >> Coolant tank

✓ Valid for: hybrid vehicles.

Seat Leon hybrid engine compartment showing the dual independent coolant expansion tank layout
Fig. 231 Engine compartment: Coolant tanks

Electrified hybrid variants of the Seat Leon are equipped with an advanced thermal architecture featuring two completely independent coolant expansion tanks to manage different powertrain components.

››› Fig. 231

  1. Coolant expansion tank dedicated to regulating and cooling the conventional combustion engine circuit ››› Fig. 232.
  2. Coolant expansion tank dedicated to regulating and cooling the high-voltage electrical system and power electronics ››› Fig. 233.
    Coolant specifications
    The engine cooling system of your Seat Leon is factory-filled with an optimized mixture of specially treated water and at least 40% high-grade coolant additive conforming to specification G12evo (TL-V ...

    Check and refill the coolant
    Engine cooling fluid Fig. 232 In the front compartment: coolant expansion tank. Preliminary steps Park your Seat Leon securely on a firm, flat, and level ground surface. Switch off th ...

    See also:

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