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Home >> Hummer >> 2008 >> H3 Base, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 297 (Engine Control System & Fuel System - 2.9L - Introduction, Service & Repair) >> Repair Instructions >> Fuel Tank Module Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2009 GMC Canyon and 2009 Chevrolet Colorado. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION: Clean all of the following areas before performing any disconnections in order to avoid possible contamination in the system:
  • The fuel pipe connections
  • The hose connections
  • The areas surrounding the connections
    Fig 1: View Of Fuel Feed And EVAP Lines
    GM1766211Courtesy of GENERAL MOTORS CORP.
  1. Remove the fuel tank. Refer to Fuel Tank Replacement .
  2. Disconnect the evaporative emission (EVAP) line (1) quick connect fittings from the module and the vent valve. Refer to Plastic Collar Quick Connect Fitting Service .
  3. Remove the EVAP line from the clip on the side of the fuel tank.
  4. Disengage the EVAP line from the retaining features molded into the fuel tank and remove the EVAP line.
  5. Disconnect the fuel feed line (2) quick connect fitting from the module. Refer to Plastic Collar Quick Connect Fitting Service .
  6. Disengage the fuel feed line from the retaining feature molded into the fuel tank and remove the fuel line.
    7. Fig 2: View Of Fuel Pump Module Lock Ring
    GM1766559Courtesy of GENERAL MOTORS CORP.
  7. Install the J 45722  to the fuel pump module lock ring. See Special Tools .
    8. Fig 3: Identifying Lock Ring
    GM1642096Courtesy of GENERAL MOTORS CORP.
    CAUTION: Avoid damaging the lock ring. Use only J-45722 to prevent damage to the lock ring.
    CAUTION: Do Not handle the fuel sender assembly by the fuel pipes. The amount of leverage generated by handling the fuel pipes could damage the joints.
    NOTE: Do NOT use impact tools. Significant force will be required to release the lock ring. The use of a hammer and screwdriver is not recommended. Secure the fuel tank in order to prevent fuel tank rotation.
  8. Using the J 45722  and a long breaker-bar, rotate the lock ring in a counterclockwise direction in order to unlock the lock ring. See Special Tools .
  9. Remove the J 45722  from the fuel pump module lock ring. See Special Tools .
    10. Fig 4: Identifying Fuel Pump Module
    GM1766563Courtesy of GENERAL MOTORS CORP.
  10. Raise the fuel pump module up from the fuel tank. Tilt the module in order to allow the fuel level sensor arm and float to clear the module opening.
  11. Remove the fuel pump module.
  12. Remove and discard the fuel pump module seal.
    WARNING: Drain the fuel from the fuel sender assembly into an approved container in order to reduce the risk of fire and personal injury. Never store the fuel in an open container
  13. Clean the fuel pump module sealing surface.
    14. Fig 5: Checking Lock Ring For Flatness
    GM1617750Courtesy of GENERAL MOTORS CORP.
    NOTE:
    • Some lock ring were manufactured with DO NOT REUSE stamped into them. These lock rings may be reused if they are not damaged or warped.
    • Inspect the lock ring for damage due to improper removal or installation procedures. If damage is found, install a NEW lock ring.
    • Check the lock ring for flatness.
  14. Place the lock ring on a flat surface. Measure the clearance between to lock ring and the flat surface using a feeler gage at 7 points.
  15. If the warpage is less than 0.41 mm (0.016 in), the lock ring does not require replacement.
  16. If the warpage is greater than 0.41 mm (0.016 in), the lock ring must be replaced.
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