2012 Buick VeranoFACTORY OEM SERVICE PROCEDURE

Assemble Procedure

  1. Install the fuel tank baffles. Refer to Fuel Tank Baffle ReplacementΒ .
  2. Fig 1: Fuel Tank Vent Pipe And Evaporative Emission Canister
    GM2028245Courtesy of GENERAL MOTORS COMPANY
  3. Install the evaporative emission canister (1) to the evaporative emission canister bracket (3).
  4. Connect the evaporative emission canister purge pipe (4).
  5. Remove the CH-807Β  plug from the fuel tank vent pipe.
  6. Connect the fuel tank vent pipe (2).
  7. Install the fuel tank fuel pump module. Refer to Fuel Tank Fuel Pump Module ReplacementΒ .
  8. Install the fuel tank heat shield. Refer to Fuel Tank Heat Shield Replacement .
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.