Ford Mustang (1999-2004) Service Manual: Brake Booster - Vacuum (Description and Operation)
Power Brake Booster
The vacuum type power brake booster (2005):
- is a dual diaphragm, vacuum assisted power brake booster
- reduces brake pedal force and travel distance.
- is located on the LH side of the bulkhead in the engine compartment, between the brake pedal (2455) and the brake master cylinder (2140).
- is divided into separate chambers by the diaphragms.
- will not operate if vacuum is restricted or if any of the vacuum related power brake components fail.
- is installed as an assembly.
If the power assist fails, the brake system will continue to operate with increased brake pedal effort.
Hose and Check Valve
The power brake booster check valve (2365):
- is located on the front of the power brake booster.
- is installed separately; (install a new grommet when installing a new check valve).
- is positioned between the power brake booster and the power brake booster hose.
- closes when the engine is turned off.
- in the closed position, traps engine vacuum in the power brake booster
- retains vacuum to provide several power assisted brake applications with the engine off.
Power Brake Actuation
Torque Specifications
...
Brake Booster - Hydro-Boost (Description and Operation)
The Hydro-Boost brake booster is a hydraulically operated brake booster
powered by the power
steering pump (3A674). The power steering pump provides the fluid pressure to
operate both the
power brak ...
Other materials:
Brake System (Description and Operation)
Component Locations
+
The vehicle is equipped with a vacuum-assisted or a hydro-boost power braking
system.
The braking system is a front-to-rear split hydraulic system.
The front wheel brakes utilize a dual piston brake caliper and disc brake
sy ...
Vehicle Identification Number (VIN) Locator
The vehicle identification number (VIN) is a seventeen-digit alphanumeric
code. The VIN is stamped
on a metal tab riveted to the instrument panel, top upper left of the dash. The
VIN number is also found
on the vehicle certification (VC) label.
...
Sitting in the correct position
WARNING: Sitting improperly out of position or with the seat
back reclined too far can take off weight from the seat cushion
and affect the decision of the passenger sensing system, resulting in
serious injury or death in a crash. Always sit upright against yo ...
