Seat Leon >> Poly-V belt: check condition

Carry out the following work:

  • Crank engine using vibration damper, using a socket spanner.
  • Check the Poly-V belt -1- with respect to:
    • Substructure cracks (cracks, core ruptures, cross sectional breaks)
    • Layer separation (top layer, cord strands)
    • Base break-up
    • Fraying of cord strands
    • Wear on edges of belt (wear of material, frayed edges, hardened edges -brittle edges-, surface cracks)
    • Traces of oil and grease

Maintenance

NOTICE If faults are detected, the Poly-V belt must be replaced. This will avoid possible breakdowns or operating problems. Renewing the poly V-belt is a repair measure.

Notched timing distribution belt: replace

TDI common rail engine

  • Removing and fitting the notched belt.

Tensioning roller

  • Remove the notched belt tension roller.

Renewing poly V-belt

  • Removing and fitting the ribbed belt.
    Coolant pump toothed belt: Check
    Remove the guard and check the toothed belt. Install toothed belt guard. WARNINGApplies only for petrol engines as they do not have a specified timing belt change interval. Rem ...

    Transportation devices: remove blocking pieces from front axle springs
    NOTICE On some vehicle models locking element are installed in the front suspension struts. You can recognise these vehicles by the label that is hanging on the handle (passenger side). There ma ...

    See also:

    Position in engine compartment: side box
    Fuses Some of the electrical items listed in the table are only fitted on certain models or are optional extras. Please note that the above list, while correct at the time of printing, is sub ...