Check brake pedal travel with, and without, engine running to verify proper power booster operation. Vacuum Power Brake Booster Test Microsoft Word version Fillable PDF version Identify components of the brake power assist system (vacuum/ hydraulic/electric). Vacuum Supply/Manifold or Auxiliary Pump Microsoft Word version Fillable PDF version Inspect vacuum-type power booster unit for leaks; inspect the check-valve for proper operation; check vacuum supply (manifold or auxiliary pump) to vacuum-type power booster; determine needed action. Vacuum-Type Power Booster Microsoft Word version Fillable PDF version Inspect and test hydraulically assisted power brake system for leaks and proper operation; determine needed action. Hydro-Boost Test Microsoft Word version Fillable PDF version Inspect electric power booster unit; determine needed action. Content coming soon!
