What else needs to be replaced when changing the timing belt?

[Denise]

When replacing the timing belt in a car, it is also necessary to replace the corresponding tensioner pulley at the same time. The function of the tensioner pulley is to adjust the tightness of the timing belt. It is generally replaced together with the timing belt to avoid future troubles. Other parts do not need to be replaced unless necessary. Just perform regular maintenance. Additional information: 1. During actual use, the tensioner pulley requires a certain torque to maintain appropriate belt tension, prevent belt slippage, and compensate for the elongation caused by belt wear and aging. When the tensioner pulley is in operation, the moving belt may excite vibrations in the tensioner, which can lead to premature wear of the belt and tensioner. 2. Nowadays, as cars become more advanced, the workload for repairs will gradually decrease. As a result, car owners often think that their vehicles basically do not need repairs. However, various car manufacturers clearly specify the cycle for routine inspection and replacement of the timing belt. As part of regular maintenance and comprehensive inspection, the maintenance of the timing belt should be included in the regular maintenance program.