8.6. Removal and installation of the executive cylinder of coupling

Hydraulic liquid is poisonous. It also well dissolves paint. Be careful, do not allow hit of liquid on open parts of the body or in eyes. You hold near at hand rags for collecting spilled liquid, and in case of hit it on the painted surfaces immediately wash away liquid plentiful amount of cold water.


Before this procedure contact local shops of auto parts concerning acquisition of set for repair or the new executive cylinder. Depending on existence and the cost of necessary details make the decision whether it is worth repairing the cylinder, or it is better to replace it. If you decided to repair the cylinder, follow the instructions attached to repair set.


  1. Uncover the tank with brake fluid (for models with left-side management) or the tank with hydraulic liquid of coupling (for models with right-hand management) and by means of the syringe remove liquid from the tank. On models with left-side management the level of liquid has to be lower than connection of the brake line with the main cylinder.
  2. The car and reliably establish to Poddomkratta it on axial support.
  3. Wipe area around nipple connection of the hydraulic line and disconnect the line from the executive cylinder. In order to avoid damage of the union whenever possible use a special key. You hold near at hand rags for collecting spilled liquid. Zakuporte the open end of the line that liquid did not follow and did not become soiled the line. On models where access to the executive cylinder is complicated, before a detachment of the union it is better to otboltit the executive cylinder.
  4. Give nuts of fastening of the executive cylinder and remove the cylinder from transmission.

Standard executive cylinder of hydraulic system of coupling

1 — the Hydraulic line
2 — Fixing nuts
3 — the pumping Gate
  1. Examine a plastic tip of a pusher and the lever of inclusion on existence of signs of wear. The pusher has to be worn-out only on the end. Wear signs on the lever have to be only in deepening for a pusher. Existence of signs of wear on lateral faces of a pusher or on the lever in other places except deepening indicates that the pusher is debalanced.
  2. Examine the executive cylinder, checking whether there are no leaks. If the pusher epiploon proceeds, replace the executive cylinder. At installation of the new cylinder make sure that it suitable type. On models with a usual swing wheel the executive cylinder with a diameter of 20.64 mm is used; on models with a flywheel, two-piece, use the cylinder with a diameter of 22.2 mm.



  1. You make installation upside-down. Do not forget to apply a thin film of molybdenum-disulfide lubricant on a plastic tip of a pusher and track that the tip correctly rose in deepening in the inclusion lever. Tighten nuts of fastening of the executive cylinder with the required effort.
  2. Fill the tank with fresh liquid and pump over hydraulic system of coupling (see the Section Pumping of Hydraulic System of Coupling).