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:
Heater Core
Removal
NOTE: If a heater core leak is suspected, the heater core must be
pressure leak tested before it is
removed from the vehicle. For additional information, refer to Section.
1. Remove the evaporator core housing. For additional information, refer to
E ...
Pinpoint Tests
CAUTION: Before removing and installing the GEM or its connectors,
disconnect the
battery. Failure to follow this caution will result in the GEM storing many
erroneous DTCs and it
may exhibit erratic operation after installation.
CAUTION: Be careful when pr ...
Vehicle Certification (VC) Label Locator
The upper portion of the vehicle certification (VC) label contains the
manufacturer name, the month
and year of manufacture, the certification statement and the VIN. It also
includes gross vehicle weight
ratings (GVWR). The VC label is located on the left- ...
