Fuel Tank Assembly

REMOVAL PROCEDURE

Tools Required: J 34730 Fuel Pressure Gauge

CAUTION: Provide additional support when a vehicle is on a hoist:

- Before removing parts, support the opposite end. This helps prevent the vehicle from supping 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.

NOTICE: 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.

Description:

1. Relieve the fuel system fuel pressure. Refer to Fuel Pressure Release / Service and Repair / Fuel Pressure Release Procedure.
2. Drain the fuel tank (1). Refer to Fuel Tank / Service and Repair / Fuel Tank Draining.
3. Raise the vehicle.




4. Remove the fuel tank filler extension pipe [1][2]EVAP pipe (1) clamp (2) from the fuel tank EVAP pipe (3).
5. Remove the fuel tank filler extension pipe (1) clamp (2) from the fuel tank filler pipe (3).

NOTICE: Cap the fittings and plug the holes when servicing the fuel system in order to prevent din and other contaminants from entering the open pipes and passages.




6. Remove the quick-connect fittings at the fuel tank. Refer to Fuel Line Coupler, Service and Repair, Quick Connect Fitting(s) with Plastic Collar.
7. Remove the rubber exhaust pipe hangers in order to allow the exhaust System to drop slightly.

NOTICE: Do not bend the fuel tank straps as this may damage the straps.

Fuel Tank Assembly:

8. Remove the fuel tank strap attaching bolts which retain the fuel tank straps (1), and support the fuel tank (2) with the aid of an assistant.




9. Lower the fuel tank enough in order to disconnect and remove the fuel sender retaining clips.
9.1. Remove the retaining clip (2) on the fuel tank pressure sensor (3) electrical connector (1).
9.2. Remove the retaining clip (5) on the fuel sender assembly sensor (4) electrical connector (6).
10. Remove the fuel tank from the vehicle and place the fuel tank in a suitable work area.

DISASSEMBLE PROCEDURE

1. If the fuel tank is not being replaced. Refer to the Installation Procedure.
2. Disassemble the fuel sender assembly. Refer to Fuel Tank Unit / Service and Repair / Fuel Sender Assembly Replacement.

ASSEMBLE PROCEDURE

IMPORTANT: Always replace the external fuel pump strainer when the fuel sender is removed.

NOTICE: Replace the fuel sender O-rings when re-installing the fuel sender in order to avoid damage to the fuel sender assembly.

1. Install a new fuel sender O-ring.
2. Assemble fuel sender assembly. Refer to Fuel Tank Unit / Service and Repair / Fuel Sender Assembly Replacement.


INSTALLATION PROCEDURE

NOTICE: Always re-attach the fuel lines and fuel filter with all original type fasteners and hardware.

Do not repair sections of fuel pipes.

1. Position and support the fuel tank (2), with the aid of an assistant.




2. Install the fuel sender electrical connector (3).
3. Install the fuel tank pressure sensor electrical connector (2).
4. Install the fuel sender retaining clip (s).
5. Install the fuel tank pressure sensor retaining clips.
6. Install the fuel tank retaining strap (1) attaching bolts.
- Tighten the fuel tank retaining strap bolts to 34 Nm (25 ft. lbs.).

Notice: Refer to Service Precautions / Fasteners.

7. Install the quick-connect fittings. Refer to
Fuel Line Coupler, Service and Repair, Quick Connect Fitting(s) Service (Plastic Collar).

IMPORTANT: Do Not attempt to repair sections of nylon fuel pipes. If the nylon fuel pipes are damaged, replace them.

8. Install the fuel tank filler extension pipe (1) to the fuel tank filler pipe (3).
- Tighten the fuel tank filler extension pipe hose clamp (2) to 2.5 Nm (22 in. lbs.).
9. Install the [1][2]EVAP fuel tank filler extension pipe (1) to the fuel tank filler pipe (3).
- Tighten the [1][2]EVAP fuel tank filler extension pipe hose clamp to 2.5 Nm (22 in. lbs.).
10. Install the rubber exhaust pipe hangers.
11. Lower the vehicle.
12. Add fuel to the fuel tank.




13. Install the fuel tank filler pipe cap.
14. Install the negative battery cable.
14.1. Turn the ignition switch ON for 2 seconds.
14.2. Turn the ignition switch OFF for 10 seconds.
14.3. Turn the ignition switch ON.
14.4. Check for fuel leaks.