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| First check brake fluid level in brake fluid reservoir. |
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| The clutch hydraulics are connected to one of the chambers -arrow 2- of the brake fluid reservoir via the supply hose -arrow 1-. |
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| If this chamber is empty or contains too little brake fluid, the system may be leaking. |
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| Supply hose between brake fluid reservoir and master cylinder |
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| Pipe/hose assembly between master cylinder and slave cylinder |
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| Connections (plug-in connectors and threaded connections), including hidden connections |
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| External leaks can be detected, for instance, by traces of brake fluid on or below the gearbox as well as on the noise insulation panel below the gearbox. |
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| Check correct routing of pipe/hose assembly between master cylinder and slave cylinder. The pipe/hose assembly must not be kinked or become trapped. |
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| Then depress clutch pedal carefully; hold pedal in five different positions for approx. 20 seconds at each position over its full travel. Have a second person check the components of the hydraulic clutch mechanism → Anchor for visible leaks. At the same time the first person should check whether the clutch pedal yields under the foot at any of the held positions. |
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