steering
Steering Shaft - Intermediate
for 2012 Ford F-150 3.5L V6 EcoBoost · 4WD
Difficulty
Moderate
Time
1.8 h
Tools
9
Steps
10
Replace the intermediate steering shaft that connects the steering column to the steering rack, eliminating steering clunks and play.
Warnings
⚠️Do not rotate the steering wheel with the intermediate shaft disconnected. This can damage the clockspring and airbag system.
⚠Keep the front wheels pointed straight ahead and lock the steering wheel before disconnecting the shaft to prevent clockspring damage.
⚠Failure to properly align the steering shaft can result in off-center steering wheel or binding during turns.
Tools required
Jack and jack standsEssential
Torque wrench (20-200 Nm range)Essential
15mm socket and ratchetEssential
13mm socket and ratchetEssential
Flat-head screwdriver or pry barEssential
White paint marker or alignment marksEssential
Steering wheel holder/locking device
Penetrating oil
Wire brush
Parts
- Intermediate steering shaft assembly × 1 — Use OEM Ford specification
Preparation
- Park vehicle on level surface with front wheels pointed straight ahead
- Set parking brake and place wheel chocks behind rear tires
- Turn ignition to OFF and remove key
- Disconnect negative battery cable and wait 2 minutes for airbag system to discharge
- Lock the steering wheel in the straight-ahead position using a steering wheel holder or seatbelt through the wheel
- Raise front of vehicle and support securely on jack stands at the frame rails
Procedure
- 1Access the intermediate steering shaftWorking from underneath the vehicle, locate the intermediate steering shaft between the steering column and the steering rack. Remove the lower steering shaft cover panel if equipped by removing the retaining screws. Clean the area around both U-joint connections with wire brush and apply penetrating oil to pinch bolt threads.Torque specCover Screws12 Nm (9 lb-ft)
- 2Mark shaft alignmentUsing a white paint marker, make alignment marks across both U-joint connections: one mark across the upper shaft-to-column connection and one mark across the lower shaft-to-rack connection. These marks are critical for proper reassembly alignment and preventing steering wheel misalignment.⚠Proper alignment marking is essential. Misalignment during installation will result in off-center steering wheel.
- 3Disconnect upper shaft connectionLocate the upper pinch bolt at the steering column U-joint connection. Using a 15mm socket, loosen and remove the upper pinch bolt completely. Spread the pinch bolt clamp slightly using a flat-head screwdriver if needed to release tension on the shaft splines.ℹ️The pinch bolt may be difficult to access. A universal joint socket extension may be helpful.
- 4Disconnect lower shaft connectionLocate the lower pinch bolt at the steering rack input shaft U-joint connection. Using a 13mm socket, loosen and remove the lower pinch bolt completely. Spread the pinch bolt clamp slightly if needed to free the connection.⚠️Verify the steering wheel remains locked and has not rotated. Any rotation can damage the clockspring.
- 5Remove intermediate steering shaftCarefully collapse or separate the intermediate shaft from both the upper steering column shaft and lower steering rack input shaft. You may need to gently pry the U-joint clamps open slightly. Remove the intermediate shaft assembly from the vehicle, noting its orientation for installation.⚠Support the shaft during removal to prevent it from falling and causing injury or damage.
- 6Inspect and prepare new shaftInspect the steering column and rack input shaft splines for wear, damage, or corrosion. Clean both shafts with a wire brush if needed. Compare the new intermediate shaft with the old one to verify correct replacement part. Check that the new shaft collapses and extends smoothly.ℹ️Do not apply grease to the splines unless specifically called for by the new shaft manufacturer.
- 7Install new intermediate shaftPosition the new intermediate shaft assembly, aligning it with both the upper steering column shaft and lower steering rack input shaft. Ensure the shaft orientation matches the original installation. Slide the U-joints onto the splines at both ends, aligning your paint marks from disassembly. The shaft should slide on with moderate effort.⚠Verify alignment marks match before proceeding. The steering wheel must remain in the locked, straight-ahead position.
- 8Install upper pinch boltInsert the upper pinch bolt through the steering column U-joint clamp. Ensure the clamp gap is positioned correctly and the bolt passes through both sides of the clamp. Thread the bolt by hand first, then tighten to 31 Nm (23 lb-ft) using a torque wrench. Verify the shaft cannot be pulled apart after tightening.Torque specMounting Bolts31 Nm (23 lb-ft)
- 9Install lower pinch boltInsert the lower pinch bolt through the steering rack U-joint clamp. Ensure proper clamp alignment and that the bolt passes through both sides of the clamp. Thread by hand, then tighten to 31 Nm (23 lb-ft) using a torque wrench. Verify the connection is secure and cannot be separated.Torque specMounting Bolts31 Nm (23 lb-ft)
- 10Reinstall cover and lower vehicleIf equipped, reinstall the lower steering shaft cover panel and secure with retaining screws, torquing to 12 Nm (9 lb-ft). Remove the steering wheel locking device. Lower the vehicle from jack stands to the ground.Torque specCover Screws12 Nm (9 lb-ft)
Reassembly
- Reconnect the negative battery cable
- Ensure all pinch bolts are torqued to specification and properly seated
- Verify no tools or parts were left in the work area
Verification
- Start the engine and verify no warning lights related to steering or airbag systems
- Turn the steering wheel slowly from lock to lock while stationary, listening for any binding, clicking, or unusual noises
- Verify the steering wheel is centered when the front wheels are pointed straight ahead
- Test drive the vehicle at low speed, checking for proper steering response and no clunking during turns or over bumps
- Verify no play or looseness in the steering wheel
- Re-check all pinch bolt torque values after test drive