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Volkswagen Workshop Service and Repair Manuals

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Removing and installing poly V-belt pulley . > < Checking alternator

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Checking poly V-belt
Checking poly V-belt
–  Crank engine at vibration damper/belt pulley using a socket.
–  Check poly V-belt for:
t  Sub-surface cracks (cracks, core ruptures, cross sectional breaks)
t  Layer separation (top layer, cord strands)
t  Base break-up
t  Fraying of cord strands
t  Flank wear (material wear, frayed flanks, flank brittleness -glassy flanks-, surface cracks)
t  Traces of oil and grease
  Caution
In order to avoid failures and malfunctions, the poly V-belt must be replaced if it is damaged.
   

Removing and installing poly V-belt pulley . > < Checking alternator