Removal
Place the vehicle on a two-post lift, apply the parking brake, turn off the ignition, open the hood and disconnect the ground wire from the battery.
Remove the engine crankcase guard.
Unscrew the two nuts 1, Figure 9-1, securing the expansion tank (spanner).
Figure 9-1 - Removing the expansion tank: 1 - expansion tank mounting nut; 2 - expansion tank
Remove and set aside expansion tank 2 without disconnecting the hoses. Disconnect connector 1, Figure 9-2, of the brake fluid level sensor.
Figure 9-2 - Removing the clutch master cylinder: 1 - brake fluid level sensor connector; 2 - clutch master cylinder feed line; 3 - clutch master cylinder; 4 - retainer; 5 - pipeline connecting the master and slave cylinders of the clutch drive; 6 - brake hydraulic fluid reservoir; 7 - brake hydraulic fluid reservoir cap
Remove plug 7 of the brake hydraulic fluid reservoir.
Remove the brake fluid from the brake hydraulic drive reservoir 6 using a syringe so that its level is below the fluid supply hole to the clutch master cylinder on the reservoir.
Place a rag under the opening of the brake fluid reservoir.
Disconnect line 2 of the clutch master cylinder from the brake hydraulic fluid reservoir.
Insert plugs into the holes in the pipeline and tank (technological plugs).
Place a rag under the clutch slave cylinder.
Remove plug 1, Figure 9-3, from the air bleed nipple.
Figure 9-3 - Removing brake fluid from the clutch hydraulic system: 1 - air bleed nipple plug; 2 - retainer; 3 - pipeline connecting the master and slave cylinders of the clutch drive; 4 - clutch drive slave cylinder; 5 - gearbox
Connect a clear hose to the air bleed nipple and place the other end into an empty container located below the air bleed hole.
Press the lock 2 and pull the pipe 3 out one click to open the air bleed hole.
Press the clutch pedal by hand to remove fluid from the master cylinder and line.
Place a rag under the clutch master cylinder.
Raise the retainer 4, Figure 9-1, securing the pipeline 5 connecting the master and slave cylinders of the clutch drive, on the master cylinder.
Disconnect line 5 from the clutch master cylinder.
Insert plugs into the holes on the pipeline and the clutch master cylinder (technological plugs).
Remove pipeline 5 from the mounting brackets and move it to the side.
Disconnect the ball head of the pushrod 1, Figure 9-4, of the clutch master cylinder from the clutch pedal 2 in the passenger compartment.
Remove the clutch master cylinder from the front shield by turning it in the engine compartment a quarter turn clockwise using the tool, Figure 9-5 (device Emb. 1596 or Emb. 1797 for removing the clutch master cylinder, ratchet).
Figure 9-4 - Disconnecting the clutch master cylinder from the clutch pedal: 1 - Clutch master cylinder pusher; 2 - clutch pedal
Figure 9-5 - Emb. 1596 Clutch Master Cylinder Removal Tool
Installation
Check the condition of the sealing ring on pipeline 5, Figure 9-2, and replace if necessary.
Install the clutch master cylinder 3 by turning it a quarter turn counterclockwise using the tool, Figure 9-5 (device Emb. 1596 or Emb. 1797 for removing the clutch master cylinder, ratchet).
Caution! When installing the clutch master cylinder, do not use the nipple as a stop.
Install the ball head of the pushrod 1, Figure 9-4, of the clutch master cylinder onto the clutch pedal 2 in the passenger compartment.
Remove the plugs from the holes in the pipeline and the clutch master cylinder.
Install pipeline 5, connecting the master and slave cylinders of the clutch drive, onto the master cylinder.
Press the lock 4 of the clutch master cylinder.
Secure the hydraulic clutch line to the body using brackets.
Lubricate the end of the supply line 2 of the clutch master cylinder with brake fluid.
Connect the supply line of the clutch master cylinder to the reservoir 6 of the brake hydraulic drive.
Install expansion tank 2, Figure 9-1, and tighten expansion tank mounting nuts 1 to a torque of 8 N·m (0.8 kgf·m) (spanner 10, replaceable head 10, extension, torque wrench).
Pour brake fluid into the reservoir and bring its level up to normal. The brake fluid level should be between the "MAX" and "MIN" marks (brake fluid according to the current "Codifier of main and auxiliary materials used in maintenance and repair of LADA vehicles" K 3100.25100.00018).
Remove air from the clutch hydraulic system.
Check the functionality of the clutch.
Install the engine crankcase guard.