Hose and Check Valve
WARNING: This page is about a different car, the 2003 Ford RV Cutaway, 2003 Ford Econoline, 2003 Ford E550 Super Duty, 2003 Ford E450 Super Duty, and 2003 Ford Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
The power brake booster check valve:
- Is located on the front of the power brake booster.
- Check valve and grommet can be installed new separately.
- 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.