1998 Chevy Lumina remove a gastank

Tiny
JONATHAN30
  • MEMBER
  • 1998 CHEVROLET LUMINA
  • 6 CYL
  • AWD
  • AUTOMATIC
  • 57,000 MILES
Can u please explain how to replace gastank or take it out to see if I can seal it myself or it has to be replaced all together
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Tuesday, September 7th, 2010 AT 4:24 PM

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Tiny
SATURNTECH9
  • EXPERT


http://www.2carpros.com/forum/automotive_pictures/416332_1998_chevy_impalla_fuel_tank_part1_1.jpg



http://www.2carpros.com/forum/automotive_pictures/416332_1998_chevy_impalla_fuel_tank_part2_1.jpg



http://www.2carpros.com/forum/automotive_pictures/416332_1998_chevy_impalla_fuel_tank_part3_1.jpg


WARNINGS:

* Provide additional support when a vehicle is on a hoist:
* Before removing parts, support the opposite end. This helps prevent the vehicle from slipping off.
* Before removing major components, chain the vehicle frame to the hoist pads at the same end as the removal This helps avoid a tip-off.
* Failure to follow these precautions could cause vehicle damage, serious personal injury, or death.

CAUTIONS:

* Do not attempt to straighten the kinked nylon fuel lines. Replace any kinked nylon fuel feed or return pipes in order to prevent damage to the vehicle.
* Cap the fittings and plug the holes when servicing the fuel system in order to prevent dirt and other contaminants from entering the open pipes and passages.
* Always maintain cleanliness when servicing fuel system components.
* Do not attempt to repair sections of nylon fuel pipes. If the nylon fuel pipes are damaged, replace them.

REMOVAL PROCEDURE

1. Relieve the fuel system fuel pressure. Refer to Fuel Pressure Release.
2. Drain the fuel tank.
3. Raise the vehicle.
4. Remove the fuel tank filler EVAP hose from the fuel tank.
5. Remove the fuel tank filler hose from the fuel tank.
6. Remove the quick-connect fittings at the fuel tank.
7. Remove the modular fuel sender, and the fuel tank pressure sensor electrical connectors.
8. Remove the EVAP pipe from the connection at the front of the fuel tank.
9. Remove the rubber exhaust pipe hangers in order to allow the exhaust system to drop slightly.
10. Remove the exhaust pipe heat shield bolts and the exhaust pipe heat shield.
11. With the aid of an assistant, support the fuel tank, and remove the fuel tank strap attaching bolts which retain the fuel tank straps.
12. Lower the fuel tank enough in order to disconnect the fuel sender electrical connector and remove the fuel sender retaining clips.
13. Remove the EVAP pipe to the rear of the fuel tank.
14. Remove the EVAP pipe to the fuel sender assembly.
15. Remove the fuel tank from the vehicle and place the fuel tank in a suitable work area.
16. If the fuel tank is not being replaced, go to Installation Procedure.
17. Remove the modular fuel sender assembly.
18. Remove the retaining clip from the EVAP pipe. Note the position of the retaining clip for installation.
19. Remove the EVAP pipe from the insulator clips. Note the position of the EVAP pipe for installation.
20. Remove the quick-connect fittings at the fuel sender.
21. Remove the fuel feed and fuel return pipe assemblies and the insulator clips from the fuel tank.
22. Remove the insulator pads from the fuel tank. Note the location of the insulator pads for installation.

INSTALLATION PROCEDURE

CAUTIONS:

* Always re-attach the fuel lines and fuel filter with all original type fasteners and hardware.
* Do not repair sections of fuel pipes.
* Secure the fuel pipes to the frame in order to prevent chafing. Maintain a minimum of 13 mm (1/2 inch) clearance around a pipe in order to prevent contact and chafing. Maintain a minimum of 19 mm (3/4 inch) around any moving part.
* Do not allow the fuel pipes to come into contact with the fuel tank or underbody.

1. Install the insulator pads on the fuel tank.
2. Install the insulator clips.
3. Install the quick-connect fittings at the fuel sender.
4. Install the fuel feed and fuel return pipe assemblies.
5. Position the EVAP pipe on the insulator clips as noted during disassembly.
6. Install the retaining clip on the EVAP pipe.
7. Install the modular fuel sender assembly.
8. With the aid of an assistant, position and support the fuel tank.
9. Install the EVAP pipe to the rear of the fuel tank.
10. Install the EVAP pipe to the fuel sender assembly.
11. Install the fuel sender electrical connector and the fuel sender retaining clips.
12. Install the fuel tank retaining strap attaching bolts (4). Tighten the front and rear fuel tank retaining strap bolts (4) to 47 Nm (35 lb ft) .
13. Install the quick-connect fittings.
14. Install the modular fuel sender and the fuel tank pressure sensor electrical connectors.
15. Install the EVAP pipe at the front of the fuel tank.
16. Install the fuel tank filler EVAP pipe to the fuel tank. Tighten the fuel tank filler pipe hose clamp to 2.5 Nm (22 lb in) .
17. Install the fuel tank filler pipe to the fuel tank. Tighten the fuel tank filler pipe hose clamp to 2.5 Nm (22 lb in) .
18. Install the heat shield and the heat shield attaching screws.
19. Install the rubber exhaust pipe hangers.
20. Lower the vehicle.
21. Add fuel and install the fuel tank filler pipe cap.
22. Install the negative battery cable.
23. Inspect for leaks.

23.1. Inspect turn the ignition switch to the ON position for 2 seconds.
23.2. Turn the ignition switch to the OFF for 10 seconds.
23.3. Turn the ignition switch to the ON position again.
23.4. Check for fuel leaks
There is the information you need.
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Tuesday, September 7th, 2010 AT 5:13 PM

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