2012 Infiniti M35hFACTORY OEM SERVICE PROCEDURE

Component Inspection

  1. CHECK FUEL TANK VACUUM RELIEF VALVE
    1. Turn ignition switch OFF.
    2. Remove fuel filler cap. Refer to "EXPLODED VIEW ".
    3. Wipe clean valve housing.
      Fig 1: Identifying Spring Pressure Valve, Vacuum Valve, Plate And Gasket
      G08255732Courtesy of NISSAN NORTH AMERICA, INC.
    4. Check valve opening pressure and vacuum.

      Pressure: 15.3 - 20.0 kPa (0.156 - 0.204 kg/cm 2  , 2.22 -2.90 psi) 

      Vacuum: -6.0 to -3.3 kPa (-0.061 to -0.034 kg/cm 2  , -0.87 to -0.48 psi) 

      Is the inspection result normal? 

      YES: INSPECTION END

      NO: GO TO 2.

      Fig 2: Checking Valve Opening Pressure And Vacuum
      G08255733Courtesy of NISSAN NORTH AMERICA, INC.
  2. REPLACE FUEL FILLER CAP

    Replace fuel filler cap. Refer to "EXPLODED VIEW ".

    CAUTION: Use only a genuine fuel filler cap as a replacement. If an incorrect fuel filler cap is used, the MIL may illuminate.

    : INSPECTION END

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.

Shop Manual-Ready ToolsCompare Repair QuoteQuote Shield Pro

When to See a Mechanic

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

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