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Home >> Cadillac >> 2004 >> CTS V >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 5.7L - Introduction >> Repair Instructions >> Fuel Tank Module Replacement - Primary >> Installation Procedure
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Installation Procedure

    Fig 1: View Of Fuel Tank Module Seal
    GM820624Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Ensure the seal bead is facing the fuel tank.
  1. Place the new primary fuel tank module seal (1) over the module (2).
    2. Fig 2: View Of Primary Fuel Tank Module & Transfer Tube
    GM820619Courtesy of GENERAL MOTORS CORP.
  2. Complete the following in order to connect the transfer tube (2) to the primary fuel tank module (1).
    1. Grasp the transfer tube (2) from inside the fuel tank.
    2. Position the module (1) near the module opening.
    3. Connect the transfer tube (2) to the module (1).
    3. IMPORTANT:
    • The primary fuel tank module (1) is horizontal in the installed position, but pivots from the vertical position for installation.
    • Ensure the fuel level float is free from binding while inserting the module (1).
  3. Carefully insert the primary fuel tank module (1) into the fuel tank.
  4. Press the primary fuel tank module (1) downward, aligning the module to the encapsulated ring.
  5. Position the cam lock ring to the fuel tank.
    6. Fig 3: Rotating Cam Lock Ring Using Special Tool
    GM820618Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Do not allow the tool to come in contact with the fuel pipes while locking the cam lock ring.
  6. Rotate the cam lock ring clockwise using the J 45747  until fully seated.
    7. Fig 4: View Of Primary Fuel Tank Module Electrical Connector
    GM820617Courtesy of GENERAL MOTORS CORP.
  7. Connect the electrical connector to the primary fuel tank module.
  8. Install the fuel tank hoses. Refer to Quick Connect Fitting(s) Service (Plastic Collar) .
  9. Install the fuel tank. Refer to Fuel Tank Replacement .
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