What causes the Kia K2 clutch pedal to be hard to press down?

[KhloeAnn]

The reasons why the clutch pedal is hard to press down are as follows: Clutch cable wear and aging: For cable-operated clutches, the usual cause of stiffness and inability to press is wear and aging of the clutch cable, leading to cable jamming. It needs to be replaced at a professional repair shop as it's difficult to do at home. Hydraulic fluid aging: For hydraulic clutches, the common causes of stiffness are aging hydraulic fluid, or rusting of the clutch master cylinder or slave cylinder. Another frequent issue is insufficient hydraulic fluid, preventing the clutch from resetting, which also makes it hard to press down. Obstruction at the pedal: Vehicles with electronic clutches are rare in the market, and clutch jamming is uncommon. The main reason is foreign objects obstructing the clutch pedal, which can be resolved by removing the obstruction. Regardless of the clutch type, if the clutch release bearing seizes due to rust, it can cause clutch jamming. It's recommended to seek repair at a professional 4S shop.