Torsion Bar

This procedure addresses the 2011-2014 Ford F-150 5.0L V8 4WD, which uses an independent front suspension system with coil springs, not torsion bars. The procedure covers inspection and clarification.

Warnings

Tools required

Preparation

1. Park vehicle on level, solid surface and engage parking brake
2. Place wheel chocks behind rear wheels
3. Loosen front wheel lug nuts while vehicle is on ground
4. Lift front of vehicle using floor jack at manufacturer-recommended jacking points
5. Support vehicle securely on jack stands placed under frame rails
6. Remove front wheels completely

Procedure

1. 1

   Verify Suspension Type
   With the front wheels removed, inspect the front suspension assembly. Look for coil springs mounted around the strut assemblies on both sides. Confirm there are no torsion bars running longitudinally along the frame. The 2011-2014 F-150 uses coil-over strut front suspension regardless of drive configuration.
2. 2

   Inspect Lower Control Arms
   Examine the lower control arms extending from the frame to the steering knuckle. These are mounted with large bolts at the frame and connect to the ball joint at the outer end. Note that there are no torsion bar anchors or adjusters present on this suspension design.
3. 3

   Check Strut Assembly
   Locate the front strut assemblies which combine the shock absorber and coil spring in one unit. The strut mounts to the steering knuckle at the bottom with bolts and to the strut tower under the hood at the top. This is the primary suspension component, replacing the torsion bar system used in older truck designs.
4. 4

   Document Findings
   Take photos or notes of the actual suspension configuration. If you were attempting to adjust ride height, this must be done through aftermarket leveling kits, strut spacers, or replacement springs. Factory ride height is not adjustable like it would be with torsion bars.
5. 5

   Reinstall Wheels
   If no other work is required, reinstall the front wheels and hand-tighten the lug nuts in a star pattern. Lower the vehicle until the wheels just contact the ground but the suspension is not fully loaded.
   Torque spec

   Wheel Lug Nuts169 Nm (125 lb-ft)
6. 6

   Final Torque and Lower
   With vehicle weight on the wheels but still partially supported, torque the lug nuts to specification in a star pattern. Remove the jack stands and lower the vehicle completely. Perform a final torque check on all lug nuts.
   Torque spec

   Wheel Lug Nuts169 Nm (125 lb-ft)

Reassembly

1. No disassembly was performed as the specified torsion bar component does not exist on this vehicle
2. Ensure all lug nuts are torqued to specification after lowering vehicle to ground
3. Store all tools and verify no parts or tools remain under vehicle

Verification

• Confirm understanding that 2011-2014 F-150 models use coil spring independent front suspension, not torsion bars
• If ride height adjustment or leveling is desired, research appropriate coil spring spacer kits or replacement struts designed for this suspension type
• Test drive vehicle to ensure wheels are properly secured and no suspension noises are present
• Consult vehicle-specific repair information if replacing struts, coil springs, or control arms

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