Fuel Pump Unit Removal/Installation [L3]

2010 Mazda 5 Sport, 2.3 L, StandardSECTION Fuel Pump Unit Removal/Installation [L3]
WARNING: This page is about a different car, the 2008 Mazda 5. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:
  • Fuel is very flammable liquid. If fuel spills or leaks from the pressurized fuel system, it will cause serious injury or death and facility breakage. Fuel can also irritate skin and eyes. To prevent this, always complete the "Fuel Line Safety Procedure", while referring to "BEFORE SERVICE PRECAUTIONΒ ".
  • Fuel is very flammable liquid. If fuel spills or leaks from the pressurized fuel system, it will cause serious injury or death and facility breakage. Fuel can also irritate skin and eyes. To prevent this, before performing the fuel pump unit removal/installation, always complete the "Fuel Leak Inspection After Fuel Pump Unit Installation".
  1. Follow "BEFORE SERVICE PRECAUTION" before performing any work operations to prevent fuel from spilling from the fuel system.
  2. Remove the battery cover. (See BATTERY REMOVAL/INSTALLATION [L3] .)
  3. Disconnect the negative battery cable.
  4. Remove the second-row seat. (See SECOND-ROW SEAT REMOVAL/INSTALLATION .)
  5. Remove the rear package tray lid (See REAR PACKAGE TRAY LID REMOVAL/INSTALLATION .)
  6. Remove the sub-trunk
  7. Remove the third-row seat (See THIRD-ROW SEAT REMOVAL/INSTALLATION .)
  8. Remove the rear scuff plate (See REAR SCUFF PLATE REMOVAL/INSTALLATION .)
  9. Remove the trunk end trim (See TRUNK END TRIM REMOVAL/INSTALLATION .)
  10. Remove the third-row seat belt lower anchor installation bolt (See THIRD-ROW SEAT BELT REMOVAL/INSTALLATION .)
  11. Remove the cargo compartment light (See CARGO COMPARTMENT LIGHT REMOVAL/INSTALLATION .)
  12. Remove the trunk side trim. (See TRUNK SIDE TRIM REMOVAL/INSTALLATION .)
  13. Partially peel back the floor covering.
  14. Remove in the order indicated in the table.
    Fig 1: Fuel Pump Unit Replacement Components With Torque Specifications
    G05544707Courtesy of MAZDA MOTORS CORP.
  15. Install in the reverse order of removal.
  16. Inspect all related parts by performing "AFTER SERVICE PRECAUTION".
RENDER: 1.0x

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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.