If you decide to replace the pump, the tank will need removed. Here are directions for tank removal and replacement. The attached pics correlate with the directions.
2004 Pontiac Grand AM V6-3.4L VIN E
Fuel Tank Replacement
Vehicle Powertrain Management Fuel Delivery and Air Induction Fuel Tank Service and Repair Removal and Replacement Fuel Tank Replacement
FUEL TANK REPLACEMENT
FUEL TANK REPLACEMENT
1. Relieve the fuel system pressure. Refer to Fuel Pressure Relief Procedure.
2. Drain the fuel tank. Refer to Fuel Tank Draining Procedure.
3. Raise the vehicle. Refer to Vehicle Lifting.
4. Disconnect the quick-connect fitting at the fuel filter.
5. Disconnect the fuel return pipe quick connect fitting.
6. Remove the rubber exhaust hangers. Allow the exhaust system to rest on the rear axle.
7. Remove the exhaust heat shield.
8. Loosen the fuel filler hose clamp at the fuel tank.
9. Disconnect the fuel filler hose from the fuel tank.
10. Disconnect the evaporative emission (EVAP) vapor pipe from the EVAP canister.
11. Disconnect the electrical harness from the multi-way rear body connector and fuel strap.
12. With the aid of an assistant, support the fuel tank (1).
13. Disconnect the fuel tank retaining straps.
14. Lower the fuel tank.
15. Remove the fuel sender assembly from the tank.
1. Install the fuel sender assembly to the fuel tank.
2. With the aid of an assistant, raise the fuel tank (1) to the vehicle.
NOTE: Refer to Fastener Notice in Service Precautions.
3. Install the fuel tank retaining straps.
Tighten the strap bolts to 35 N.M (26 lb ft).
4. Connect the wiring harness into the multi-way rear body connector.
5. Connect the EVAP vapor pipe to the EVAP canister.
6. Connect the fuel filler hose to the fuel tank.
Tighten the fuel filler hose clamp to 3 N.M (27 lb in).
7. Install the rubber exhaust hangers.
8. Install the exhaust heat shield.
- Tighten the exhaust shield bolt to 2 N.M (18 lb in).
- Tighten the exhaust shield nuts to 1 N.M (9 lb in).
9. Connect the fuel return pipe and fuel filter quick-connect fittings.
10. Lower the vehicle.
11. Refill the fuel tank.
12. Install the fuel filler cap.
13. Connect the negative battery cable.
14. Inspect for fuel leaks.
14.1. Turn ON the ignition for 2 seconds.
14.2. Turn OFF the ignition for 10 seconds.
14.3. Turn ON the ignition.
14.4. Inspect for fuel leaks.
I hope this helps. Let me know if the pump is the issue.
Images (Click to enlarge)
Thursday, November 21st, 2019 AT 2:35 PM