Ford Mustang (1999-2004) Service Manual: Brake Booster - Vacuum (Description and Operation)

Power Brake Booster

Brake Booster - Vacuum

 

Brake Booster - Vacuum

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.

Hose and Check Valve

 

Hose and Check Valve

    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 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, be ...

    Exhaust Manifold to Exhaust Gas Recirculation (EGR) Valve Tube - Mach I
    Removal 1. Remove the air intake scoop. For additional information, refer to Section. 2. Disconnect the exhaust gas recirculation (EGR) tube from the EGR valve. 3. With the vehicle in NEUTRAL, position it on a hoist. 4. Disconnect the EGR tube from th ...

    Trailer towing
    WARNING: Do not exceed the GVWR or the GAWR specified on the certification label. WARNING: Towing trailers beyond the maximum recommended gross trailer weight exceeds the limit of your vehicle and could result in engine damage, transmission damage, structural ...