Kia 353202G730 High Pressure Fuel Pump

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Disconnect the negative battery terminal and remove the air filler housing. Unplug the fuel pressure regulator valve electrical connector and remove the ignition coil from cylinder four. Detach the canister purge control solenoid valve and fuel supply line quick disconnect fitting. Remove the nut from the high-pressure fuel pump and delivery pipe using special tool #09314-3Q100. Take off the junction block and high-pressure fuel pipe. Unscrew the fuel pump mounting bolts and remove the high-pressure fuel pump. Rotate the engine until the lifter for the pump is at the lowest point. Apply oil to the pump o-ring, set the pump on the cylinder head, and tighten the new bolts. Installation is the reverse of removal.

Inspect the fuel pump inlet strainer for contamination. If it's dirty, try cleaning the strainer with some clean solvent and an old toothbrush. If the strainer is too dirty to be cleaned while it's installed, remove it from the fuel pump/fuel level sending unit and try cleaning it again. If you still can't clean it adequately, replace it.

Drain any residual gasoline from the fuel pump/fuel level sending unit, then place it on a clean workbench in a well-ventilated areCheck the strainer for clogging and replace it if necessary.

Remove the access cover screws and remove the cover, then disconnect the fuel supply line and suction line quick-connect fittings from the pump, remove the bolts from the fuel pump mounting flange and remove the pump assembly from the fuel tank.

When turning the ignition switch to ON, a brief whirring noise should emanate for about two seconds as the pump activates and pressurizes the system.

Remove the cover from the lower part of the pump assembly and pull the pump out of the cover. Remove the rubber insulators from both ends of the pump and the fuel pump inlet filter from the pump. If replacing the fuel pressure regulator, remove it from the fuel pump cover, install new O-rings on the new fuel pressure regulator, and then proceed to install the new filter, regulator, or sending unit on the fuel pump.