Cadillac 19299717 Fuel Tank Fuel Pump Module Kit (W/O Fuel Level Sensor)

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To check the fuel pump, sit in the vehicle with windows closed and turn ignition key to ON. Listen for pump sound as it pressurizes fuel system. If no sound, remove fuel filler cap and have assistant turn ignition switch to ON while you listen. Check fuse, relay, wiring, and replace pump if necessary. Connect fuel pressure gauge to test port on fuel feed line and start engine. Compare gauge reading to specifications. If pressure is low, check filter, lines, and hoses for issues. Replace fuel pump module if regulator is stuck open.

Place the removed fuel pump/fuel level sensor on a clean surface. Disconnect the sensor's electrical connector and wiring harness. Remove the fuel level sensor from the pump module. If any component is defective, replace the entire module. To reinstall, slide the sensor into place until it clicks and verify its position. Follow the removal steps in reverse for installation.

Replace it.

The fuel rail fuel pressure sensor is located at the rear of the left-side fuel rail.

The fuel pressure regulator may be stuck in the closed position.

Before removing the fuel pump/fuel level sending unit module, you should disconnect the cable from the negative battery terminal and relieve the system fuel pressure.

During the installation of the fuel pump/fuel level sending unit module, you should align the marks made on the fuel pump/fuel level sending unit flange and tank. Carefully seat the pump flange on the tank, ensuring that the float arm and float are not damaged.

Check the fuel pump fuse and relay, wiring back to the fuel pump, and if necessary, replace the fuel pump.

The rest of the installation process is the reverse of removal.