Also available:

An anti-theft system (immobilizer) APS-6 is installed on the car

Also available:

On cars, in some trim levels, it is possible to install an electromechanical power steering

Also available:

The front brake caliper is removed to replace it or replace the working cylinders and brake disc

Also available:

If during operation there are traces of brake fluid leakage on the brake drum and the inner side of the wheel, replace the slave cylinder

Also available:

The device of the vacuum brake booster is shown in fig. 1.

The vacuum booster is quite complicated, it requires some skills and special equipment to repair it, so if the amplifier fails, replace it as an assembly.