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:
Clutch Pedal Position (CPP) Switch
Removal
1. Disconnect the battery ground cable. For additional information,
refer to Section.
2. Disconnect the connector.
3. Remove the bolt and the clutch pedal position (CPP) switch.
Installation
1. To install, reverse the removal procedure. ...
Generator - 4.6L 4V
Removal and Installation
1. Disconnect the battery. For additional information, refer to
Section.
2. Relieve the accessory drive belt tension and remove the belt from the
generator pulley.
3. Raise and support the vehicle. For additional informat ...
Transmission Description (Description and Operation)
The 4R70W has the following features:
Wide ratio gears
Four speeds
Rear wheel drive
Automatic
Electronic shift
Torque converter clutch control
Line pressure controls
The transmission uses Ravigneaux-style double-pinion gearset with ...
