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WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 2004 Ford Pickup, 2004 Ford F550 Super Duty, 2004 Ford F450 Super Duty, 2004 Ford Excursion, and 2004 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

CAUTION: Suspension fasteners are critical parts because they affect performance of vital components and systems and their failure can result in major service expense. Install new parts with the same part number or an equivalent part if installation is necessary. Do not use an installation part of lesser quality or substitute design. Torque values must be used as specified during reassembly to make sure of correct retention of these parts.

Raise and support the vehicle.
Remove the wheel and tire assembly.
Support the rear axle with a suitable jack.

Fig 1: View of Suitable Jack To Support Axle Location
Courtesy of FORD MOTOR CO.
Remove the U-bolt retaining nuts and remove the U-bolts.

Fig 2: Removal Of The U-Bolt Retaining Nuts
Courtesy of FORD MOTOR CO.
Remove the rear spring upper plate.

Fig 3: Removal Of The Rear Spring Upper Plate
Courtesy of FORD MOTOR CO.
Remove the nut and bolt from the rear spring front hanger bracket.

Fig 4: Removal of The Rear Spring Front Hanger Bracket
Courtesy of FORD MOTOR CO.
Remove the lower nut and bolt from the rear spring shackle bracket. Remove the rear spring assembly.

Fig 5: Removal Of The Rear Spring Assembly
Courtesy of FORD MOTOR CO.

Using new fasteners, follow the removal procedure in reverse order.