Is a Heavy Clutch Related to the Four-Circuit System?

1 Answers
ChristopherFitz
07/30/25 8:35am
A heavy clutch is not related to the four-circuit system. Below is an analysis of the reasons for a heavy clutch: 1. Brake master cylinder: One of the reasons for a heavy clutch is the lack of necessary maintenance of the brake system, such as excessive impurities in the brake master cylinder, poor sealing, or failure of the vacuum booster. 2. Dirty brake fluid: Dirty brake fluid or mixing different types of brake fluid can cause vapor lock when heated, or leakage from the brake master cylinder or wheel cylinders, leading to a heavy clutch. 3. Tire pressure: Normal tire pressure is crucial for clutch operation. Under normal conditions, the clutch pedal functions properly when the tire pressure is above 6 bar.
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