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Home >> Chevrolet >> 2018 >> Volt Premier >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Controls And Fuel System- - 1.5L (L3A) - Repair Instructions >> Repair Instructions >> Fuel Tank Fuel Pump Module Replacement >> Removal Procedure
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Removal Procedure

  1. Fuel Tank Replacement  - Remove
  2. Fig 1: Identifying Fuel Tank Fuel Pump Components
    GM4091018Courtesy of GENERAL MOTORS COMPANY

    Retainer (2, 5, 7) - Remove

  3. Fuel Pump Fuel Feed Hose (8) - Remove- Plastic Collar Quick Connect Fitting Service 
  4. Remove the evaporative emission canister hose (1). Refer to Plastic Collar Quick Connect Fitting Service .
  5. Evaporative Emission Rear Hose (3) - Remove- Plastic Collar Quick Connect Fitting Service 
  6. Disconnect the electrical connector (6) and remove the fuel tank fuel pump module wiring harness (4).
  7. GM4091063Courtesy of GENERAL MOTORS COMPANY

    Install the CH-45722  wrench (1) to the fuel pump module lock ring (2).

  8. NOTE:

    DO NOT use impact tools. Significant force will be required to release the lock ring. The use of a hammer and screwdriver is not recommended. Secure the fuel tank in order to prevent fuel tank rotation.

  9. Using the CH-45722  wrench (1) and a long breaker-bar, rotate the lock ring in a counterclockwise direction in order to unlock the lock ring.
  10. Remove the CH-45722  wrench (1).
  11. Remove the fuel pump module lock ring (2).
  12. GM4091064Courtesy of GENERAL MOTORS COMPANY

    Partially raise the fuel pump module (1) and disconnect the vent valve connector (2). Refer to Plastic Collar Quick Connect Fitting Service .

  13. GM4091065Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Lift the fuel tank fuel pump module up slightly. Pay attention to the fuel level sensor.

    Fuel Tank Fuel Pump Module (1) - Remove

  14. Remove and DISCARD the fuel pump module seal (2).