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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 13 (Engine Controls And Fuel - 2.8L (LWN) Diesel - Repair Instructions) >> Repair Instructions >> Vacuum Pump Pipe Replacement >> Removal Procedure

Removal Procedure

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  1. Drive Belt Tensioner - Remove - Drive Belt Tensioner Replacement
  2. GM4630669Courtesy of GENERAL MOTORS COMPANY

    Electrical Connector (1) @ Retainer (2) - Unclip

  3. Retainer (3) @ Vacuum Pump Pipe (4) - Unclip
  4. GM4630672Courtesy of GENERAL MOTORS COMPANY

    Exhaust Gas Recirculation Valve Vacuum Pipe (1) @ Vacuum Pump Pipe (2) - Disconnect

  5. GM4630671Courtesy of GENERAL MOTORS COMPANY

    Exhaust Pressure Differential Sensor Nut (1) - Remove

  6. GM4630677Courtesy of GENERAL MOTORS COMPANY

    Hose Clamp (1) - Disengage - Hose Clamp Replacement Guidelines - Spring Type

  7. Vacuum Pump Hose (2) @ Vacuum Pump Pipe (3) - Disconnect
  8. Engine Cover - Remove - Engine Cover Replacement
  9. GM4630675Courtesy of GENERAL MOTORS COMPANY

    Exhaust Pressure Differential Sensor Nut (1) - Remove

  10. GM4630680Courtesy of GENERAL MOTORS COMPANY

    Hose Clamp (1) - Disengage - Hose Clamp Replacement Guidelines - Spring Type

  11. Heater and A/C Control Vacuum Source Hose (2) @ Vacuum Pump Pipe (3) - Disconnect
  12. Reposition the engine wiring harness at the top of the engine as necessary to make room for removing the vacuum pump pipe.
  13. GM4630703Courtesy of GENERAL MOTORS COMPANY

    Vacuum Pump Pipe (1) - Remove