2012 Nissan-Datsun Altima BaseFACTORY OEM SERVICE PROCEDURE

Disassembly and Assembly: Disassembly

NOTE: Before disassembly, note the proper placement of the wires to the correct terminals and correct wire routing to the terminals.
  1. Disconnect the red, white, and double black wire connectors.
    • Press the tabs on the terminals to release the locking tabs.
    Fig 1: Locating Red, White And Double Black Wire Connectors
    G06555486Courtesy of NISSAN NORTH AMERICA, INC.
  2. Release the two clips and remove the fuel temperature sensor from the pump assembly.
    Fig 2: Locating Fuel Temperature Sensor Clips
    G06555487Courtesy of NISSAN NORTH AMERICA, INC.
  3. Release the tab (A) and slide the level sending unit module and float arm assembly (B) up to remove.
Fig 3: Sliding Level Sending Unit Module And Float Arm Assembly
G06555488Courtesy of NISSAN NORTH AMERICA, INC.
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:

  • • 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.

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