How to Replace a Toyota Corolla's Fuel Pump

Written by john rose
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A faulty fuel pump can be the cause of several different problems in your Toyota Corolla, including performance issues such as hesitation and can, in fact, keep the car from starting altogether. Be sure to check all fuses and relays to the fuel pump before replacing it with a new one. Replacing the fuel pump is not difficult, and it is accessible under the rear seat of the car. Fuel pump replacement will take about an hour to an hour and a half for an inexperienced person to complete.

Skill level:
Moderately Easy

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Things you need

  • Wrench
  • Replacement fuel pump
  • New gasket
  • Phillips head screwdriver
  • Needle-nose pliers
  • Metric socket set

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  1. 1

    Disconnect the negative battery terminal with a wrench.

  2. 2

    Pull out the rear seat cushion.

  3. 3

    Remove the fuel pump service cover by removing the four screws using the screwdriver.

  4. 4

    Unplug the electrical connection from the fuel pump.

  5. 5

    Remove the gas cap to relieve the fuel system pressure.

  6. 6

    Disconnect the outlet pipe from the fuel pump bracket with the proper-sized wrench.

  7. 7

    Remove the screws that secure the pump bracket with a Phillips head screwdriver.

  8. 8

    Disconnect the return hoses from the fuel pump bracket with needle-nose pliers to squeeze open the clamps.

  9. 9

    Pull out the pump/bracket assembly.

  10. 10

    Install the new gasket.

  11. 11

    Replace the fuel pump and bracket back into the gas tank.

  12. 12

    Tighten the pump bracket screws with the screwdriver.

  13. 13

    Reconnect the return hoses to the fuel pump.

  14. 14

    Plug the electrical wires back into the unit.

  15. 15

    Replace the cover back over the service hole.

  16. 16

    Replace the seat cushion.

  17. 17

    Reconnect the battery cable and replace the gas cap.

  18. 18

    Turn the key to the "On" position without starting the car to re-pressurise the system.

Tips and warnings

  • Wear safety glasses to avoid any spraying fuel or foreign objects.
  • Avoid open flames when working on your car's fuel system.

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