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:
Supercharger Cooling
General Specifications
a - Use the same type coolant that was drained from the cooling system.
Do not mix coolant types.
b - The addition of Motorcraft Cooling System Stop Leak Pellets, VC-6,
darkens Motorcraft Premium
Gold Engine Coolant from yell ...
Seal
Special Tool(s)
Installer, Transmission
Extension Housing Oil Seal
308-227 (T94P-7657-A)
Slide Hammer
100-001 (T50T-100-A)
Remover, Bushing
307-001 (TOOL-1175-AC) or
Equivalent
Removal
1. With the vehicle in NEU ...
Removal
1. Remove the rear exterior trim mouldings.
2. Remove the clips
3. Remove the 13 Torx screws and the seal compression panel.
4. Remove the staples.
5. Remove the staples from the number one bow.
6. Remove the rear rail weatherstrip retainers from ea ...
