The power source for a brake booster is
a) Exhaust manifold pressure
b) Electricity
c) The pressure difference between the atmospheric pressure and the vacuum pressure in the intake manifold
d) Hydraulic pump
The power source for a brake booster is
a) Exhaust manifold pressure
b) Electricity
c) The pressure difference between the atmospheric pressure and the vacuum pressure in the intake manifold
d) Hydraulic pump