2012 Chevrolet VoltFACTORY OEM SERVICE PROCEDURE

Installation Procedure

    Fig 1: Fuel Injection Fuel Rail And Fasteners
    GM2377953Courtesy of GENERAL MOTORS COMPANY
  1. Install the injectors. Refer to Fuel Injector ReplacementΒ .
  2. Use new O-rings and lubricate with clean engine oil. Refer to Adhesives, Fluids, Lubricants, and Sealers .
  3. CAUTION:

    Refer to Fastener Caution .

  4. Install the fuel injection fuel rail assembly (2) and tighten the fasteners to 8 N.m (71 lb in).
  5. Fig 2: Fuel Injection Ground Fastener
    GM2377921Courtesy of GENERAL MOTORS COMPANY
  6. Reposition the ground cable (2), install the fuel injection ground fastener (1) and tighten to 4 N.m (35 lb in).
  7. Connect the electrical connectors.
  8. Connect the fuel feed pipe from the fuel rail. Refer to Plastic Collar Quick Connect Fitting ServiceΒ .
  9. Install the resonator outlet duct. Refer to Air Cleaner Resonator Outlet Duct ReplacementΒ .
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

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.