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


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.
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    See also:

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