Hydraulic-Vacuum-Hydraulic Brakes - Cleaning, Inspection And Adjustment

• Checking The Vacuum Pump And Control Valve (Aw55-50/51SN; 2001-2004)
  • Vacuum pump and control valve, check
    • Notes
    • Preparations
    • Checking the vacuum control valve
    • Checking the vacuum pump
    • Checking the non-return valves in the vacuum control valve.
    • Check
• Mechanical Checks And Adjustments (2000-2004)
  • Power brake booster, checking for leakage and/or correct operation
    • Notes
    • Checking power brake booster for leakage
      • Connect vacuum pump
      • Testing power brake booster
      • Inspecting non return valve
      • Connecting power brake booster
    • Checking correct operation of the power brake booster
      • Notes
      • Checking air filter in power brake booster