- remove the gearbox (see paragraph 10.1.1);
Fig. 232. Parts of the clutch hydraulic drive: 1 - tank; 2 - supply hose; 3 - pedal block; 4 - clutch pedal; 5 - safety holder; 6 - push rod; 7 - bolt, 20 Nm; 8 - master cylinder; 9 - locking clamp; 10 - gasket, always replaceable; 11 - O-ring; 12 - hose/pipeline; 13 - bracket; 14 - bolt, 25 Nm; 15 - bracket on gearbox; 16 - nut, 20 Nm; 17 - bolt, 20 Nm; 18 - locking clamp; 19 - dust cap; 20 - gearbox; 21 - oil seal; 22 - O-ring, always replaceable; 23 - slave cylinder with release bearing; 24 - flange bolt, 11 Nm; 25 - corrugated cover; 26 - dust cap; 27 - Air bleed screw; 28 - union nut, 20 Nm; 29 - pipeline
- remove the corrugated dust cover 25 (Fig. 232);
- unscrew the mounting bolts 24 and remove the slave cylinder together with the release bearing;
- remove the O-ring 22 of the working cylinder. Always replace this ring with a new one;
Fig. 233. Removing the sealing ring from the rear side of the working cylinder
- replace sealing ring 21 if it shows traces of leaked fluid. It is located on the back of the clutch slave cylinder and can be removed using tool 618 (Fig. 233). When installing a new sealing ring 21, compress it using tool 618 until it fits tightly under the outer surface of the clutch slave cylinder housing.
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Installation of the clutch slave cylinder is carried out in the reverse order, taking into account the following:
- before installation, wipe the release bearing with a rag, but do not wash it in gasoline;
- tighten the three clutch slave cylinder mounting bolts to 11 Nm;
- after installing the gearbox, check the operation of the clutch. In this case, pay attention first of all to the appearance of a scratching sound when engaging gears. It is best heard when engaging reverse gear. It may be caused by an unadjusted clutch release drive;
- if necessary, adjust the clutch release drive and test drive the vehicle with all gearshift options.
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