2. The clutch has a hydraulic drive. The hydraulic system consists of a clutch pedal, a master cylinder, a brake fluid reservoir, a hydraulic line, and a slave cylinder, which is connected to the clutch release lever.
3. When you press the clutch pedal, the slave cylinder presses on the end of the clutch release lever. By rotating on the hinge, the lever presses on the release bearing. In turn, the release bearing presses on the fingers of the diaphragm spring and. overcoming the resistance of the spring, moves the pressure plate away from the clutch disc.
4. Clutch component terminology can be problematic because in some cases the names of some components may differ from the reference names. data from the manufacturer. For example, the driven disc may also be called the clutch disc, the pressure plate assembly is sometimes called the clutch housing or basket, and the clutch release bearing is called the throwout bearing. The working cylinder may be called the auxiliary or secondary cylinder.
5. Before replacing components that are obviously faulty, it is necessary to perform a preliminary check of the mechanism to detect all faults (it is assumed. that the gearbox is in good working order).
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- a) First, check the fluid level in the clutch/brake reservoir (see chapter 1). If the fluid level is below normal, add fluid and inspect the system to detect fluid leaks. If there is no fluid in the reservoir, bleed the hydraulic system (see paragraph 5) and recheck the clutch operation.
- b) Check the clutch runout. To do this, start the engine and warm it up to operating temperature (the gear lever must be in neutral position). Disengage the clutch (press the pedal), wait a few seconds and try to engage reverse. There should be no crackling sound. A clicking noise when engaging a gear usually indicates a faulty clutch disc or pressure plate assembly.
- c) To ensure that the clutch is fully disengaged, start the engine and apply the handbrake (to prevent movement). Press the clutch pedal and hold it for approximately 1 smog field. Engage first gear, then reverse. Repeat this procedure several times in a row. If it is difficult to engage gears, this indicates a malfunction. Check the operation of the clutch drive. When the clutch pedal is fully depressed, the clutch release lever travel should be sufficiently large. If this does not happen, check the fluid level in the clutch reservoir.
- d) Inspect the clutch pedal bushing and ensure that there is no binding or excessive wear on the bushing.
- d) Make sure that the clutch release lever is correctly installed on the ball joint.