Question about 2005 GMC Envoy Xl

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How to Change a Fuel Pump on an 2005 Envoy XLT? Must drop the tank? Does it have access under the rear seat?

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  • GMC Master
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Usually there is no access under the rear seat for safety reasons.How to Change a Fuel Pump on an 2005 Envoy XLT? - prev.gif next.gif Fuel Tank Removal & Installation 2002-2004 To Remove:

  1. Relieve the pressure in the fuel system.
  2. Lift the vehicle.
  3. Remove the frame brace from the frame.
  4. Remove the fuel tank shield from the fuel tank.
  5. Drain the fuel from the tank into an approved container.
  6. Loosen the fuel hose clamp and disconnect the hose from the fuel tank.
  7. Disconnect the evaporative emission (EVAP) vent valve and fuel tank pressure sensor connectors. Evaporative emission cansister pipes removal and installation gm-05-00-1546.gif

  8. Disconnect the evaporative emission (EVAP) vapor and vent valve pipes from the evaporative emission (EVAP) canister.
  9. Disconnect the fuel return and feed pipes from the fuel tank.
  10. To avoid system contamination, cap the evaporative emission (EVAP) and fuel pipes.
  11. Use a jack to support the fuel tank. Fuel tank removal and installation gm-05-00-1547.gif

  12. Detach the fuel tank straps from the frame.
  13. Lower the fuel tank.
  14. Disconnect the fuel sender connector.
  15. Remove the fuel tank from the vehicle.
To Install:
  1. Place the fuel tank under the vehicle.
  2. Connect the fuel sender connector.
  3. Attach the fuel tank straps to the frame. Torque the bolts to 24 ft-lb (32 Nm).
  4. Remove the caps from the evaporative emission (EVAP) and fuel pipes.
  5. Connect the evaporative emission (EVAP) vapor and vent valve pipes to the evaporative emission (EVAP) canister.
  6. Connect the evaporative emission (EVAP) vent valve and fuel tank pressure sensor connectors.
  7. Connect the fuel hose to the fuel tank. Torque the clamp to 22 in-lb (2.5 Nm).
  8. Connect the fuel return and feed pipes to the fuel tank.
  9. Lower the vehicle.
  10. Refill the fuel tank.
  11. Turn on the ignition for 2 seconds, with the engine off, and then turn off the ignition. After 10 seconds, turn the ignition back on with the engine off.
  12. Lift the vehicle.
  13. Check for leaks in the fuel lines.
  14. Install the fuel tank shield onto the fuel tank.
  15. Install the frame brace onto the frame.
  16. Lower the vehicle.
2005-2007 To Remove:
  1. Relieve the pressure in the fuel system.
  2. Lift the vehicle.
  3. Remove the frame brace from the frame.
  4. Remove the fuel tank shield from the fuel tank.
  5. Drain the fuel from the tank into an approved container. Evaporative emission caHow to Change a Fuel Pump on an 2005 Envoy XLT? - gm-05-00-1544.gifoval and installation gm-05-00-1544.gif

  6. Disconnect the evaporative emission (EVAP) canister fresh air, solenoid, and purge pipes from the evaporative emission (EVAP) canister.
  7. Disconnect the fuel filler pipe recirculation hose from the fuel tank.
  8. Loosen the fuel fill pipe clamp and disconnect the pipe from the fuel tank.
  9. Disconnect the fuel feed and evaporative emission (EVAP) pipes from the fuel tank.
  10. To avoid system contamination, cap the pipes.
  11. gm-05-00-1545.gif

  12. Detach the fuel tank straps from the frame.
  13. Lower the fuel tank.
  14. Disconnect the evaporative emission (EVAP) vent valve, fuel tank pressure sensor, and fuel sender connectors.
  15. Remove the fuel tank from the vehicle.
To Install:
  1. Place the fuel tank under the vehicle.
  2. Connect the evaporative emission (EVAP) vent valve, fuel tank pressure sensor, and fuel sender connectors.
  3. Lift the fuel tank.
  4. Attach the fuel tank straps to the frame. Torque the screws to 24 ft-lb (32 Nm).
  5. Remove the caps from the pipes.
  6. Connect the fuel feed and evaporative emission (EVAP) pipes to the fuel tank.
  7. Connect the fuel fill pipe to the fuel tank. Torque the clamp to 22 in-lb (2.5 Nm).
  8. Connect the fuel filler pipe recirculation hose to the fuel tank.
  9. Connect the evaporative emission (EVAP) canister fresh air, solenoid, and purge pipes to the evaporative emission (EVAP) canister.
  10. Lower the vehicle.
  11. Refill the fuel tank.
  12. Turn on the ignition for 2 seconds, with the engine off, and then turn off the ignition. After 10 seconds, turn the ignition back on with the engine off.
  13. Lift the vehicle.
  14. Check for leaks in the fuel lines.
  15. Install the fuel tank shield onto the fuel tank.
  16. Install the frame brace onto the frame.
  17. Lower the vehicle.

Posted on Jul 11, 2010

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  • 2 Answers

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Posted on Jan 02, 2017

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