Hummer 13500745 Sensor Assembly, Fuel Pressure

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Remove the fuel tank. Disconnect the electrical connector and pull the fuel tank pressure sensor from the fuel pump module.

Tighten the sensor.

Start by disconnecting the cable from the negative battery terminal and removing the engine cover.

To install the sensor, you simply need to reverse the removal steps and tighten it to the specified torque.

To replace the fuel pump flow control module, you need to disconnect the electrical connector and remove the three mounting bolts before removing the module from its bracket.

V6 engines for 2010 and 2011 model have one fuel pressure sensor on the fuel rail and another on the fuel feed pipe near the fuel tank.

Start by removing the charge air cooler outlet hose. Disconnect the harness connector to the fuel rail and the harness connector from the camshaft position sensor. Unclip the wiring harness retainers and move the harness and connectors out of the way. Remove the sound insulator around the pump body. Unscrew the intermediate high-pressure line fittings between the fuel rail and fuel pump and remove the fuel line bracket bolt. Remove the wiring harness bracket mounting bolts and move the bracket out of the way. Disconnect the electrical connector from the high-pressure fuel pump and disconnect the low-pressure feed line quick-connector at the pump. Remove the low-pressure fuel feed line. Remove the high-pressure fuel pump bolts and remove the pump, gasket, and lifter follower. Lubricate the lifter follower with clean engine oil and install it into the bore in the cylinder head. Install the alignment gauge and rotate the engine until the gauge sits flush with the cylinder head. Remove the alignment gauge and, if necessary, the valve lifter follower. Lubricate the pump valve lifter follower with engine oil and insert it into the bore. Set the pump into position on the bore using a new O-ring gasket and tighten the bolts evenly. The remainder of the installation is the reverse of the removal process. Reconnect the cable to the negative battery remote terminal, start the engine, and check for fuel leaks.

Remove the right-rear wheel, as well as the inner fender splash shield and EVAP canister cover.

The chassis control module is located under the vehicle, mounted to the outside of the driver's side frame rail.

The installation process for the fuel rail fuel pressure sensor is the reverse of removal.

Disconnect the electrical connector from the sensor and unscrew the sensor from the fuel rail.

After removing the fuel pressure sensor, you should remove the old o-ring and replace it with a new one coated in clean engine oil.

Installation is the reverse of removal.

After removing the fuel pressure sensor, you should remove the old o-ring and replace it with a new one coated in clean engine oil.

After removing the fuel pump flow control module, you should install the new module in the reverse order of removal.

Disconnect the electrical connector from the sensor and unscrew the sensor from the fuel rail.

Installation is the reversal of removal.

To replace the fuel pump flow control module, you need to disconnect the electrical connector and remove the three mounting bolts before removing the module from its bracket.

After removing the fuel pressure sensor, you should remove the old o-ring and replace it with a new one coated in clean engine oil.