Hose and Check Valve
WARNING: This page is about a different car, the 2002 Lincoln LS. 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.
- 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.