
To check the vacuum booster on a car, press the brake pedal 5-6 times
Then, holding the pedal down, start the engine

The gear shift drive consists of a gear shift lever, a ball joint, a rod, a gear selection rod, and gear selection and shift mechanisms

Work with an assistant on an inspection ditch or overpass
Drain the oil from the gearbox.
Disconnect the wire terminal from the negative terminal of the battery.

When the master cylinder piston jams (due to corrosion, breakage of the return springs), incomplete release of all wheels may occur
A defect such as a "failure" of the brake pedal may also occur