Installation Procedure

Fig 1: View Of Vapor Line Quick Connect Fitting (Front Tank)

Courtesy of GENERAL MOTORS CORP.

Install a NEW fuel tank module seal onto the fuel tank.
Position the fuel tank module part way into the fuel tank.
Connect the vapor line quick connect fitting (1) to the module. Refer to Quick Connect Fitting(s) Service (Plastic Collar) .
Install the module into the fuel tank.
Place the lock ring into position.

Fig 2: Using J 45722 To Remove/Install The Sending Unit Lock Ring

Courtesy of GENERAL MOTORS CORP.

IMPORTANT: Always replace the fuel sender seal when installing the fuel sender assembly. Replace the lock ring if necessary. DO NOT apply any type of lubrication in the seal groove.
Ensure the lock ring is installed with the correct side facing upward. A correctly installed lock ring will only turn in a clockwise direction.

Using J 45722 , rotate the lock ring clockwise in order to lock the ring.

Fig 3: View Of Fuel & EVAP Lines At Fuel Tank Module (Front Tank)

Courtesy of GENERAL MOTORS CORP.

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