Engine Control System/Fuel System

Fuel pump

11steps
~66min
3/5difficulty
Done 0 of 11

Repair Procedures

Inspection

  1. Turn the ignition switch OFF and disconnect the negative (-) battery cable.
  2. Remove the fuel pump assembly.
  3. Check the fuel pump operation by connecting the power (No. 1) and ground (No. 6) terminals of the fuel pump connector (A).
    Pin No. Description
    1 Fuel Level Sensor Ground
    2 Fuel pressure sensor (FPS) signal input
    3 Fuel pressure sensor (FPS) ground (-)
    4 Ground
    5 CAN [Low]
    6 Fuel Level Sensor Signal
    7 -
    8 Fuel Pressure Sensor (FPS) Power Supply (+5 V)
    9 CAN [High]
    10 Battery Power (B+)
  4. Also check that the resistance changes smoothly as the float moves from "E" to "F".
    Position Resistance (Ω) Capacity (L)
    E 198 - 205 5
    1/2 146,9 ~ 150,9 35,5
    F 7 - 9 69,6

Removal

  1. Release the residual fuel pressure in the fuel line. (Refer to Fuel System - "Release Residual Fuel Pressure in Line")
  2. Remove the floor carpet service cover (A).
    Hyundai Palisade. Repair procedures
  3. Remove the fuel pump service cover (A) after loosening the mounting screws.
    Hyundai Palisade. Repair procedures
  4. Disconnect the connector (A) of the fuel pump control module and the connector (B) of the fuel pressure sensor.
  5. Disconnect the quick-connector of the fuel feed tube (C).
    Hyundai Palisade. Repair procedures
  6. Remove the snap ring (A) using the Special Service Tool [No.: 09310-B8100].
    Hyundai Palisade. Repair procedures
    • When removing the plate cover, be careful not to damage the fuel tank and fuel pump.
    • When removing the plate cover, press down on the top part with your hand and turn the key counterclockwise.
    Hyundai Palisade. Repair procedures
  7. Remove the fuel pump from the fuel tank.
    Hyundai Palisade. Repair procedures

Installation

  1. Install in the reverse order of removal.

Test yourself

A quick Hyundai Palisade quiz: every answer comes with an explanation and a link to the manual page.