Buick 20867261 Fuel Pump Flow Control Module Assembly

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The vehicle has two fuel pump modules. The primary module includes the fuel pump, fuel level sender, and filter. The secondary module has a fuel level sender and fuel pick up. These parts can't be serviced separately. The Fuel Pump Driver Module (FPDM) regulates fuel pressure. To remove the primary module, relieve fuel pressure, disconnect the electrical connector and fuel line, rotate the locking ring counterclockwise, and pull the module out. Check and replace the O-ring if needed. The secondary module removal process is similar. The FPDM is behind the right-rear quarter trim panel. Access it by removing the rear seat and panel, disconnect the connector, and remove the mounting nut. Reinstall in reverse order.

To remove the fuel pump driver module(FPDM), disconnect the cable from the negative battery terminal. Open the liftgate and remove the spare tire cover and the left-side trim panel. Disconnect the electrical connector from the FPDM. Remove the FPDM mounting nuts and remove the module. Installation is the reverse of removal.

Remove the right-side trim panel in the trunk.

To detach the module from the bracket, remove the nut and detach the module from the bracket. The FPFCM mounting nut is shown for 2015 and earlier models, while later models are mounted to the battery tray.

To install the FPFCM module, simply follow the steps in reverse order.