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Home >> Buick >> 2016 >> Envision >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Controls And Fuel - 2.0L (LTG) - Repair Instructions >> Repair Instructions >> Fuel Tank Fuel Pump Module Replacement >> Removal Procedure
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Removal Procedure

WARNING:

Refer to Safety Glasses Warning .

  1. Remove the fuel tank. Refer to Fuel Tank Replacement .
  2. Fig 1: Fuel Tank Wiring Harness At Fuel Tank Fuel Pump Module
    GM3989963Courtesy of GENERAL MOTORS COMPANY
  3. Disconnect the fuel tank wiring harness (1) from the fuel tank fuel pump module.
  4. Disconnect the fuel pipe (2) from the fuel tank fuel pump module. Refer to Plastic Collar Quick Connect Fitting Service .
  5. Fig 2: Fuel Pump Lock Ring
    GM3909828Courtesy of GENERAL MOTORS COMPANY
  6. Install the J-45722  Fuel Pump Locking Ring Wrench to the fuel pump lock ring (1).
  7. Using the J-45722  Fuel Pump Locking Ring Wrench and a long breaker-bar, rotate the fuel pump lock ring (1) in a counterclockwise direction in order to unlock the lock ring from the fuel tank.
  8. Fig 3: Auxiliary Fuel Feed Pipe
    GM3909833Courtesy of GENERAL MOTORS COMPANY
  9. Raise the fuel tank fuel pump module enough to gain access to the auxiliary fuel feed pipe (1) and disconnect from the fuel tank fuel pump module. Refer to Plastic Collar Quick Connect Fitting Service .
  10. Fig 4: Fuel Sender O-Ring Gasket
    GM3909836Courtesy of GENERAL MOTORS COMPANY
  11. Remove the fuel tank fuel pump module (1).
  12. Remove and discard the fuel sender O-ring gasket (2).
  13. If replacing the fuel pump module with a new one, remove the dust cap from the fuel tank pressure sensor. Transfer cover over to new fuel pump module.