Grand Cherokee 2WD V8-5.7L VIN 2 (2005)
Vacuum Brake Booster: Description and Operation
POWER BRAKE BOOSTER
DESCRIPTION
BASE POWER BRAKE BOOSTER WITHOUT ESP
The booster assembly consists of a housing divided into separate chambers by two internal diaphragms. The outer edge of each diaphragm is attached
to the booster housing (3).
Two push rods are used in the booster. The primary push rod (1) connects the booster to the brake pedal. The secondary push rod connects the booster
to the master cylinder to stroke the cylinder pistons.
POWER BRAKE BOOSTER WITH ESP
The booster assembly consists of a housing divided into separate chambers by two internal diaphragms. The outer edge of each diaphragm is attached
to the booster housing (1).
Two push rods are used in the booster. The primary push rod connects the booster to the brake pedal. The secondary push rod connects the booster to
the master cylinder to stroke the cylinder pistons.
Power brake boosters with ESP will have a travel sensor (7).
OPERATION
