Chery QQ - Page 607

Opened vacuum
valve & control
valve
A is connected
with B
1.Brake Booster not in Braking
Piston
Passage A
Passage B
Constant
pressure
chamber
Variable pressure chamber
Air valve
(closed)
Air valve return spring
Air filter element
Valve control lever
Valve body
Control valve spring
Control valve
Vacuum valve (opened)
When not in braking