F 550 2WD Super Duty V10-6.8L VIN V (2005)
Hydraulic Fluid Accumulator: Testing and Inspection
Accumulator, Hydro-Boost (R) Only
1. Start and run the engine.
2. Stop the engine.
3. Apply the brakes. The accumulator in the Hydro-Boost (R) power brake booster should retain enough pressure for at least two power assisted
brake operations. If no power assist is felt, replace the Hydro-Boost-power brake booster and retest the system.
