GM 19207956 Fuel Tank Fuel Pump Module Kit (W/O Fuel Level Sensor)

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To remove the fuel pump/Fuel Level Sensor, start by disconnecting the cable from the negative battery terminal. Then, relieve the system fuel pressure and equalize tank pressure by removing the fuel filler cap. Next, remove the fuel tank and disconnect the fuel supply and return lines from the fuel pump/Fuel Level Sensor module, being careful to soak up any spilled fuel. Mark the orientation of the fuel pump in relation to the fuel tank for proper realignment during installation. Use water pump pliers to unscrew the locknut counterclockwise, or use a hammer and brass punch if it's tight. Remove the fuel pump/Fuel Level Sensor, taking care not to damage the fuel inlet strainer or the Fuel Level Sensor float arm and float. For installation, inspect and replace the pump-to-tank seal if necessary, and ensure the fuel pump inlet strainer is clean. Carefully align and insert the fuel pump/Fuel Level Sensor module into the tank, avoiding damage to the strainer, float arm, or float. Finally, reconnect the battery and allow the Powertrain Control Module (PCM) to relearn its former driveability and performance characteristics.

To install the high-pressure fuel pump, you need to follow these steps: 1. Reverse the removal steps, starting with connecting the metal fuel lines to the high-pressure pump and reconnecting the flexible fuel line. 2. Attach the bracket and fiber pump cover by securing them with the three bolts. 3. Tighten the fuel line fitting at the injector rail and the inlet/outlet lines at the high-pressure pump. 4. Reconnect the intake air ducting and the charge air cooler inlet pipe. 5. Finally, start the engine and check for any fuel leaks.

If the fuel pump fuse, relay, and wiring are all okay, the fuel pump is likely defective.

Depress the locking tab and slide it out of the slots on the module.