GM 42706338 Fuel Tank Fuel Pump Module Kit (W/O Fuel Level Sensor)

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In order to take off the Fuel Pressure Sensor, first, remove the oil filler cap and engine cover fasteners. Then, lift the engine cover along with the valve cover insulator off of the valve cover and reinstall oil filler cap. Next, relieve the fuel system pressure and disconnect cable from negative battery remote terminal. Finally, disconnect the Fuel Pressure Sensor electrical connector and unscrew and remove it from the fuel rail. Clean thread in fuel rail and put a drop of oil on new sensor threads before installing it. Remove sensor again, apply another drop of clean engine oil on threads then reinstall it. Connect the sensor electrical connector and reverse removal process. To remove high-pressure fuel pump, start by removing charge air cooler outlet hose. Disconnect harness connector to the fuel rail and harness connector from camshaft position sensor. Unclip wiring harness retainers then move them out of way of harness and connectors. Remove sound insulator around pump body. Unscrew intermediate high-pressure line fittings between fuel rail and fuel pump; remove bracket bolt for this line as well as for those that hold wiring harnesses for low-pressure feedline disconnection at high pressure electrical component(s). So now, we have removed low-pressure feed line too! Get rid of high-pressure fuel pump bolts removing pump itself also gasket or lifter follower (if any). Lifter follower must be lubricated using clean engine oil before being installed into bore on cylinder head so where does that leave us? Put alignment gauge in place rotate motor until gauge is level with top side of cylinder head now take out alignment gauge if necessary pull up on valve lifter follower insert it into bore lubricate it with some engine oil let's get things done here people! Just tighten bolts evenly using new O-ring gasket to secure pump position bore; thus completing remainder installation procedures which are carried out exactly opposite order since The Rest Is Reverse Of Removal Process in this case… Reconnect the cable to the negative battery remote terminal, start the engine and check for fuel leaks.

If you can't hear the pump, you can remove the fuel filler cap, depress the spring-loaded door inside the fuel filler neck, and have an assistant turn the ignition switch to ON while you listen for the pump operating for a couple of seconds.

Remove the fuel tank.