Removing
Follow the steps below to remove the hydraulic block.
1. Drain the brake fluid.
2. Remove the A/C relay box.
Pic. 14.47. Direction of lever rotation (1) locking device when disconnecting the connector from the electronic control unit
3. Disconnect the connector from the ABS electronic control unit. Turn the lock lever in the direction of the arrow as shown in fig. 14.47 to unlock the lock, then disconnect the connector.
Pic. 14.48. ABS hydraulic unit: 1 – a socket of the electronic block of management ABS; 2 - connection of pipes of the brake system (15 Nm); 3 - bolt (25 Nm); 4 - nut (25 Nm); 5 - hydraulic block bracket; 6 - hydraulic block assembly
4. Turn away nuts and disconnect tubes 2 (pic. 14.48) braking system.
5. Turn away two bolts and remove an arm 5 of the hydraulic block.
6. Remove the hydraulic block 6 as an assembly.
Attention! The hydraulic block assembly is heavy, so be careful when removing it.
Attention! The hydraulic block assembly is a non-separable structure, therefore it is forbidden to loosen any bolts and nuts.
Attention! Do not drop or strike the hydraulic unit.
Attention! The hydraulic unit must not be turned over or placed on its side.
Installation
Installation is carried out in the reverse order of removal, taking into account the following.
Pic. 14.49. Connecting the brake pipes to the hydraulic unit: 1 - from the main brake cylinder (primary chamber); 2 - to the pressure regulator (right wheel); 3 - to the front right brake mechanism (left wheel); 4 - from the main brake cylinder (secondary chamber); 5 - to the pressure regulator (left wheel); 6 - to the front right brake mechanism (right wheel)
1. Connect the brake lines to the hydraulic block as shown in fig. 14.49.
2. Install the A/C relay box.
3. Fill in the brake fluid.
4. Remove air from the hydraulic drive of the brake system.
5. Adjust the brake pedal.