Should be changed when installing a new timing belt, lower small roller
Has a squealing noise developed where your timing belt runs? Has your timing belt been thrown from your engine or snapped? The most likely culprit is a worn out timing belt tensioner.Volkswagen Golf IV 1999-2004 TDI
Volkswagen Jetta IV 1999-2004 TDI
Volkswagen New Beetle 1998-2004 TDI
