Installation Procedure
- If the fuel level sending unit is being replaced, install the fuel level sending unit onto the new fuel pump. Refer to Fuel Level Sensor Replacement - Primary .
- Insert the new primary fuel pump module assembly with the level sender and the new fuel pump-to-tank seal. Ensure the orientation tabs are aligned.
Courtesy of GENERAL MOTORS CORP.
- Use the J 45722
to install the fuel pump lock ring.
- Connect the wiring harness to the primary fuel pump module and fuel tank pressure sensor.
- Install the secondary fuel pump module. Refer to Fuel Tank Module Replacement - Secondary .
- Install the fuel tank. Refer to Fuel Tank Replacement .