vauxhall Workshop Repair Guides

Vauxhall Workshop Service and Repair Manuals

B-024 Check: Distance Signal > < B-022 Check: Charge-Air System

B-023 - Check: Vacuum Supply System

Test

Work Order Description

Nominal Value

T001

Check: Vacuum Supply System

  • Ignition OFF
  • Disconnect vacuum hose from following component:
    Vacuum pump
  • Connect vacuum pump MKM-667 (component side) to:
    Vacuum pump
  • Engine running at idle speed

Indicates the vacuum pump a value between -70 kPa ( -0.7 bar ) and -100 kPa ( -1 bar )?

Yes: No:
T002

Check: Vacuum Supply System

  • Ignition OFF
  • Connect vacuum hose to:
    Vacuum pump
  • Disconnect vacuum hose from following component:
    Vacuum Actuator - Swirl Level Control Valve
  • Connect vacuum pump MKM-667 (component side) to:
    Vacuum Actuator - Swirl Level Control Valve
  • Use vacuum pump MKM-667 to create a vacuum in the range between -70 kPa ( -0.7 bar ) and -100 kPa ( -1 bar ).

Is no pressure decrease detectable?

Yes: No:
T003

Check: Vacuum Supply System

  • Disconnect vacuum hose from following component:
    Vacuum Actuator - Boost Pressure Control Valve
  • Connect vacuum pump MKM-667 (component side) to:
    Vacuum Actuator - Boost Pressure Control Valve
  • Use vacuum pump MKM-667 to create a vacuum in the range between -70 kPa ( -0.7 bar ) and -100 kPa ( -1 bar ).

Is no pressure decrease detectable?

Yes: No:
T004

Check: Vacuum Supply System

  • Close the following vacuum connection tightly (hose side)
    Vacuum Actuator - Swirl Level Control Valve
  • Connect vacuum pump MKM-667 (hose side) to:
    Vacuum Actuator - Boost Pressure Control Valve
  • Start engine
  • Increase engine speed to 3500 rpm

Indicates the vacuum pump a value between -50 kPa ( -0.5 bar ) and -100 kPa ( -1 bar )?

Yes: No:
T005

Check: Vacuum Supply System

  • Ignition OFF
  • Close the following vacuum connection tightly (hose side)
    Vacuum Actuator - Boost Pressure Control Valve
  • Connect vacuum pump MKM-667 (hose side) to:
    Vacuum Actuator - Swirl Level Control Valve
  • Engine idling

Indicates the vacuum pump a value between -70 kPa ( -0.7 bar ) and -100 kPa ( -1 bar )?

Yes: No:





B-024 Check: Distance Signal > < B-022 Check: Charge-Air System