Location of the vacuum booster (spare wheel removed): 1 - vacuum amplifier; 2 – the main brake cylinder; 3 - vacuum hose; 4 - check valve
You will need:
- screwdriver
- rubber bulb
Before starting work remove the spare wheel.
If the vacuum booster fails, the force on the brake pedal increases significantly, which negatively affects driving.
If you are unable to eliminate the defects associated with the operation of the vacuum amplifier, contact the specialists.
1. With the engine off, press the brake pedal 5-6 times. Keeping the brake pedal depressed, start the engine. The brake pedal should move forward. If it doesn't, check...
2.... the tightness of the vacuum hose on the intake pipe fitting and...
3....on the non-return valve. If necessary, depending on the defect, tighten the hose clamp, replace the clamp or hose.
4. To check the check valve, disconnect the vacuum hose from the valve.
5. Remove the valve from the booster housing.
6. Fit on larger diameter fitting (with which the valve is inserted into the amplifier) rubber bulb and squeeze it. Wherein...
7....the air must escape through the valve. Release the pear. If it remains in a compressed state, then the valve is working. Otherwise, replace the valve. In the absence of a pear, you can purge the valve with your mouth.