Removal Procedure

Fig 1: View Of Fuel & EVAP Lines At Fuel Tank Module (Front Tank)

Courtesy of GENERAL MOTORS CORP.

Remove the front fuel tank. Refer to Fuel Tank Replacement (Front Tank) or Fuel Tank Replacement (Rear Tank) .
Disconnect the fuel and evaporative emission (EVAP) lines from the fuel tank module. Refer to Quick Connect Fitting(s) Service (Plastic Collar) .

Fig 2: Rotating Sending Unit Lock Ring Using J 45722

Courtesy of GENERAL MOTORS CORP.

IMPORTANT: Ensure that the tool does not come in contact with the module pipes while unlocking the lock ring.

Using J 45722 , rotate the lock ring counterclockwise in order to unlock the ring.
Remove J 45722 and the lock ring.

Fig 3: View Of Vapor Line Quick Connect Fitting (Front Tank)

Courtesy of GENERAL MOTORS CORP.

Carefully lift the fuel tank module from the fuel tank, enough to access the quick connect fitting below the module cover.
Disconnect the vapor line quick connect fitting (1) in order to remove the module. Refer to Quick Connect Fitting(s) Service (Plastic Collar) .
Remove the module from the fuel tank.
Remove and discard the fuel tank module seal.