2012 Chevrolet VoltFACTORY OEM SERVICE PROCEDURE

Installation Procedure

    Fig 1: Fuel Pump Module And O-Ring
    GM2389150Courtesy of GENERAL MOTORS COMPANY
  1. Install a NEW O-ring (2) and the fuel pump module (1).
  2. Fig 2: Vent Valve Connector
    GM2389149Courtesy of GENERAL MOTORS COMPANY
  3. Connect the vent valve connector (1). Refer to Plastic Collar Quick Connect Fitting ServiceΒ .
  4. Fig 3: Lock Ring Wrench
    GM2389139Courtesy of GENERAL MOTORS COMPANY
  5. Using the CH 45722Β  wrench, install the lock ring (1) by turning clockwise.
  6. Fig 4: Evaporative Emission And Fuel Lines
    GM2389137Courtesy of GENERAL MOTORS COMPANY
  7. Connect the electrical connector (2).
  8. Connect the evaporative emission and fuel lines (1). Refer to Plastic Collar Quick Connect Fitting ServiceΒ .
  9. Install the fuel tank. Refer to Fuel Tank ReplacementΒ .
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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