Ranger 2WD V6-3.0L VIN U (1998)
Vacuum Brake Booster Check Valve: Description and Operation
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.
6
in the closed position, traps engine vacuum in the power brake booster.
6
retains vacuum to provide several power assisted brake applications with the engine off.