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REMOVAL AND INSTALLATION
Fuel Tank
Removal
WARNING: Do not smoke, carry lighted tobacco or an open flame of any type when
working on or near any fuel- related components. Highly flammable mixtures are always present
and may be ignited, possibly resulting in personal injury.
WARNING: Fuel supply lines on all vehicles equipped with fuel injected engines will
remain pressurized for long periods of time after engine shutdown. Fuel system pressure must
be relieved prior to fuel system service to prevent possible personal injury or a fire hazard.
1. Disconnect the battery. For additional information, refer to Section 414 - 01 .
2. Relieve the fuel system pressure. For additional information, refer to Section 310 - 00 .
3. Drain the fuel tank. For additional information, refer to Section 310 - 00 .
4. Raise the vehicle. For additional information, refer to Section 100 - 02 .
5. Remove the filler pipe bolt and disconnect the filler pipe hose connections to the fuel tank.
6. Disconnect the fuel tank electrical connector.
SECTION 310-
01: Fuel Tank and Lines 2003 Mustang Workshop Manual Material
Item Specification
Serfactant
(Merpol)
ESE-
M99B144- B Klj . 1 ba
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7. Disconnect the vapor tube fitting at the left front of the fuel tank.
8. Disconnect the EVAP canister tube and hose.
9. Place a safety support under the fuel tank.
10. Remove the front bolts from the fuel tank support straps and swing the LH strap out of the way. Klj . 2 ba
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11. Remove the RH fuel tank support strap bolt and remove the strap.
12. Partially lower the fuel tank and disconnect the fuel line. For additional information, refer to
Section 310 - 00 .
13. CAUTION: The filler pipe grommet must be removed prior to removing the fuel tank
from the filler pipe or damage to the fill tube check valve will occur.
Cut outer edge of pipe- to-tank grommet to facilitate pipe removal and carefully remove the
grommet from the fuel tank. Take care to avoid damage to the filler pipe check valve.
14. Lower the fuel tank from the vehicle.
Installation
1. CAUTION: Lubricate the filler pipe check valve area and the tank- to-filler pipe
grommet with Serfactant prior to assembly or damage to the filler pipe check valve will
occur.
NOTE: A new grommet must be used for the installation procedure due to its destruction during
removal. Klj . 3 ba
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To install, reverse the removal procedure. Klj . 4 ba
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Klj . 5 ba
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REMOVAL AND INSTALLATION
Support Straps
Removal
WARNING: Do not smoke, carry lighted tobacco or an open flame of any type when
working on or near any fuel- related components. Highly flammable mixtures are always present
and may be ignited, possibly resulting in personal injury.
WARNING: Fuel supply lines on all vehicles equipped with fuel injected engines will
remain pressurized for long periods of time after engine shutdown. Fuel system pressure must
be relieved prior to fuel system service to prevent possible personal injury or a fire hazard.
1. Remove the fuel tank. For additional information, refer to Fuel Tank in this section.
2. Slide the strap and the retaining pin into the recess and remove the strap retaining pin.
3. Remove the strap.
Installation 1. To install, reverse the removal procedure.
SECTION 310-
01: Fuel Tank and Lines 2003 Mustang Workshop Manual Klj . 1 ba
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Klj . 2 ba
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REMOVAL AND INSTALLATION
Fuel Pump Module
Removal and Installation
1. Remove the fuel tank. For additional information, refer to Fuel Tank in this section.
2. NOTE: For installation, tighten the bolts in the sequence shown.
Remove the module assembly flange bolts.
3. Clean the area around the fuel delivery module mounting flange.
4. Lift the fuel pump, carefully detach the fuel float arm and remove the fuel pump from the fuel tank.
5. NOTE: Install a new fuel pump O- ring.
To install, reverse the removal procedure.
SECTION 310-
01: Fuel Tank and Lines 2003 Mustang Workshop Manual Klj . 1 ba
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