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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 100 (Engine Control System & Fuel - 4.8L, 5.3L, 6.0L And 6.2L - Introduction (2 Of 2)) >> Repair Instructions >> Fuel Tank Pump Module Replacement (2500 LWB - 43.5L (11.5 gal) Tank-Rear) >> Installation Procedure

Installation Procedure

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    Fig 1: View Of Vapor Line Quick Connect Fittings (Rear Tank)
    GM1372821Courtesy of GENERAL MOTORS CORP.
  1. Install a NEW fuel tank module seal onto the fuel tank.
  2. Pull the vent lines in the 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 fittings to the module. Refer to Quick Connect Fitting Service - Plastic Collar .
  5. Install the module into the fuel tank.
  6. Place the lock ring into position.
    7. Fig 2: Rotating Lock Ring Using J 45722 (Rear Tank)
    GM1372822Courtesy 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.
  7. Rotate the lock ring counterclockwise using the J 45722  until fully seated. See Special Tools .
  8. Connect the EVAP line quick connect fittings to the fuel tank module. Refer to Quick Connect Fitting Service - Plastic Collar .
  9. Install the rear fuel tank. Refer to Fuel Tank Replacement (1500 LWB - 117.3L (31 gal) Tank)  or Fuel Tank Replacement (1500 LWB - 117.3L (31 gal) Tank + E85)  or Fuel Tank Replacement (1500 SWB - 98.4L (26 gal) Tank)  or Fuel Tank Replacement (1500 SWB - 98.4L (26 gal) Tank + E85)  or Fuel Tank Replacement (2500 LWB - 43.5L (11.5 gal) Tank-Rear)  or Fuel Tank Replacement (2500 LWB - 98.4L (26 gal) Tank-Front) .
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