Hydro-Boost Unit
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 1997 Ford Pickup, 1997 Ford F-Super Duty, 1997 Ford Cab & Chassis, 1996 Ford Pickup, and 1996 Ford F-Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
Use following list of symptoms to aid in diagnosing Hydro-Boost problems:
Brake pedal returns slowly.
- Check for restriction in return line between Hydro-Boost and power steering reservoir.
- Check for incorrectly connected return line.
- Reposition brake pedal or add return spring.
- Replace Hydro-Boost.
Brakes grab.
- Tighten power steering belt.
- Flush steering system while pumping brake pedal.
- Replace Hydro-Boost.
Hydro-Boost chatter/Pedal vibration.
- Tighten power steering belt.
- Check for low fluid level.
Accumulator leaks down/No reserve brake application.
- Replace Hydro-Boost.
High brake pedal effort.
- Tighten or replace power steering belt.
- Low fluid level.
- Replace Hydro-Boost.
Brakes apply by themselves.
- Restriction in return line.
- Return line not connected correctly.
- Replace Hydro-Boost.