| Checking the clutch drive |
| 1. Check the brake fuel level in the reservoir. While doing that, check whether the clutch hydraulic system has its own chamber! |
| 2. Check possible external leaks: |
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| Connecting points (clip installation and threaded connections), also in areas that cannot be seen. |
| External leak symptoms are, for example, fluid traces in or on the noise muffler under the transmission. |
| 3. Check the routing of the tubes/hoses assembly (circuit correctly fastened). The tubes/hoses assembly cannot be twisted or compressed. |
| 4. The pedal return function must not be obstructed by additional mats or by mats stuffed under it. |
| 5. Depress the clutch pedal. To do this, the pedal must be depressed and held in five different positions along its entire travel for approximately 20 seconds (to test different application pressures in the hydraulic system). Then, a second person checks whether any fluid is leaking at any of the positions mentioned in item 2. The first holding position also permits to verify whether the clutch pedal falls by itself when pressure is maintained. |
| 6. Remove the slave cylinder and check for brake fluid presence in the bellows. |
| 7. If all tests appear to be OK or if item 6 tests positive, replace the slave cylinder. |
Note | In transmissions in which the slave cylinder and the clutch bearing form one unit, the transmission must be removed. |
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