Front Suspension
Spring - F-250, F-350, ExcursionRemoval
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 install a part of lesser quality or substitute design. Torque values must be used as specified during reassembly to ensure correct retention of these parts.
1. Remove the wheel and tire assembly.
2. Using a suitable jack, support the front axle assembly.
3. Remove the nut and detach the shock from the mounting stud.
4. Remove the upper spring retainer.
5. Lower the front axle until the spring is free of the upper spring seat.
6. Using an extension through the top of the spring, remove the lower spring retainer.
7. Remove the front spring.
Installation
1. Using new fasteners, reverse the removal procedure.
Removal
WARNING: All vehicles are equipped with gas-pressurized shock absorbers which will extend unassisted. Do not apply heat or flame to the shock absorbers during removal or component servicing.
CAUTION: Suspension fasteners are critical parts because they affect performance of vital components and systems and their failure can result in major service expense. They must be replaced with the same part number or an equivalent part if replacement is necessary. Do not use a replacement part of lesser quality or substitute design. Torque values must be used as specified during re-assembly to ensure proper retention of these parts.
1. Raise and support the vehicle.
2. Remove the wheel and tire assembly.
3. Using a suitable jack, support the front axle assembly.
4. Remove the front shock absorber lower mounting nut and bolt.
5. NOTE: The front spring hanger has seven flange nuts located inside the frame rail and must be positioned in the same location for installation.
Remove the front spring hanger and hanger bracket.
1. Remove the two spring hanger bracket bolts and flange nuts.
2. Remove the five spring hanger bolts.
6. Remove and discard the nut and bolt that retain the front spring to the spring shackle.
7. If equipped, remove the spring insulator and hold for reinstallation.
8. Remove and discard the four U-bolt nuts.
9. Remove and discard the two U-bolts, and remove the spring spacer and the spring.
10. Remove the nut and bolt from the front spring hanger, and remove the hanger and hanger bracket.
Installation
1. Position the spring in the front spring hanger and install a new bolt from inside to outside. Position the spring hanger bracket to the spring hanger, and install a new nut hand-tight.
2. Position the spring on the axle.
3. Install a new bolt and nut to retain the front spring to the spring shackle hand-tight.
4. Using new fasteners, install the front spring hanger and hanger bracket.
1. Position the spring, spring hanger and spring hanger bracket. Line up the flange nuts inside the frame rail, and start the spring hanger bracket retaining bolts by hand, using caution not to cross thread the bolts.
2. Position the flange nuts inside the frame rail and start the spring hanger retainer bolts by hand, using caution not to cross-thread the bolts.
3. Tighten the bolts.
5. Position the spring spacer and two new U-bolts.
6. Install four new U-bolt retaining nuts.
7. Install a new front shock absorber lower bolt and nut.
8. If equipped, install the spring insulator.
9. Install the wheel and tire assembly.
10. Remove the jack stands.
11. Lower the vehicle.
12. With the weight of the vehicle on the wheels, tighten the front hanger bolt and nut.
13. With the weight of the vehicle on the wheels, tighten the shackle bolt and nut.