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Home >> Cadillac >> 2010 >> Escalade EXT >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System & Fuel System - 5.3L, 6.0L, 6.2L - Repair Instructions >> Repair Instructions >> Fuel Tank Fuel Pump Module Replacement (2500 LWB - 98.4L (26 gal) Tank Front) >> Installation Procedure
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Installation Procedure

    Fig 1: View Of Fuel Tank Module Quick Connect Fitting
    GM1705662Courtesy of GENERAL MOTORS CORP.
  1. Install the NEW fuel tank module seal onto the fuel tank.
  2. Pull the vent line in the fuel tank up as far as possible for ease of installation.
  3. Position the fuel tank module part way into the fuel tank.
  4. Connect the quick connect fitting (1) to the module cover. Refer to Plastic Collar Quick Connect Fitting Service .
  5. Install the fuel tank module into the fuel tank.
  6. Place the lock ring into position.
    7. Fig 2: Identifying Lock Ring
    GM1642096Courtesy of GENERAL MOTORS CORP.
    NOTE: 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.
  7. Rotate the lock ring counterclockwise using the J 45722  until fully seated. See Special Tools .
  8. Connect the fuel and EVAP lines to the fuel tank module. Refer to Plastic Collar Quick Connect Fitting Service .
  9. Install the front fuel tank. Refer to Fuel Tank Replacement (2500 LWB - 98.4L (26 gal) Tank Front) .
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