수리 사례

2026. 6. 30. 작업

증상

2010 Hyundai Elantra squeals loudly on start up

처리 내용

It's not timing belt that is squealing, it's the accessory belt. They have to touch the accessory belt to replace the timing belt. Something went wrong in the repair, and your best option is to demand them to fix the problem. For free, obviously, as the problem was caused by an improper repair. The squealing you heard is very typical of accessory belt squeal. Often times, the squeal occurs after starting the car and stops after a certain amount of time. The squeal is typically so loud that you immediately can tell there's something wrong with the car. As far as I know, the reason for the squeal stopping is that the slipping of the belt produces friction heat, and when the belt heats up due to the produced heat, it gets better grip. The timing belt has positive engagement, so it cannot slip. It can jump teeth, but then you would soon have at least poorly running engine and perhaps even engine damage if that happens multiple times. Almost always, when you hear squealing, it's some belt w