How To Adjust Ford F250 Steering Box?

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Key Takeaways:

  • Locate the steering box adjustment screw, usually covered by a plate with 4 bolts.
  • Loosen the bolts and remove the plate to access the adjustment screw.
  • Use an Allen key on an extension to turn the adjustment screw clockwise or counterclockwise.
  • Over tightening can damage the steering box so be careful.
  • Replace the plate and tighten bolts after adjusting.
  • Test steering to ensure play or slop is gone and steering works properly.

Adjusting the steering box on a Ford F250 pickup truck is a critical maintenance task that ensures proper steering system function. The steering box contains gears that can develop “lash” or play over time, resulting in annoying looseness or sloppiness in the steering wheel. Fortunately, the F250’s steering box has an adjustment screw that allows technicians to eliminate this unwelcome lash and restore a tight, responsive feel to the steering. This comprehensive guide will walk through the complete process of adjusting the Ford F250 steering box, providing DIY mechanics with the knowledge needed to perform this repair successfully.

Proper adjustment of the steering box has significant benefits for F250 drivers. It improves steering precision, eliminates wander or looseness, and gives the driver better control over the vehicle. For a truck as large and heavy as the F250, responsive steering can even help with safety and accident avoidance. Given the complexity of the task, this guide aims to simplify the process by explaining each step in detail. It includes clear instructions supported by specifics like bolt sizes and tool recommendations. For those seeking to tune up their F250 steering system, this guide endeavors to provide everything necessary to complete the adjustment job from start to finish.

The methodology involves sequentially walking through the mechanical process of accessing, adjusting, and reassembling the steering box components according to best practices. Careful attention is given to proper torque values and techniques to avoid over-tightening. By the end of the guide, readers will understand how to successfully set the proper gear lash in the steering box to restore tight and precise steering feel for their F250. The knowledge gained can lead to greater comfort and control behind the wheel and more confident handling of these full-size trucks.

Step-by-Step Guide to Adjusting the Steering Box on a Ford F250

Step 1: Locate and Access the Steering Box Adjustment Screw

The first step is gaining access to the actual adjustment screw on the steering box. On the Ford F250, the steering box is located under the hood just behind the front wheel on the driver’s side. There will be a protective metal plate covering the adjustment screw secured by four bolts. Use a ratchet wrench with a socket to loosen and remove all four bolts. Then carefully pry off the cover plate to expose the adjustment screw beneath. Be aware that power steering fluid may leak out once the cover is removed.

Step 2: Use an Allen Key to Turn the Adjustment Screw

With the cover off, the adjustment screw will now be visible. To turn and adjust it, you will need an Allen key on an extension. Insert the Allen key into the screw and rotate it clockwise to take up gear lash and tighten the steering box. Be very careful not to over-tighten the screw, as this can damage the gear teeth inside the steering box. Tighten just until you feel the lash take up, then test the steering wheel for tightness. Some play should still remain in the centered position.

Step 3: Recheck Gear Lash and Readjust if Needed

After the initial adjustment, turn the steering wheel lock-to-lock and check for tightness and any remaining lash. If the steering still feels loose, turn the adjustment screw a little more and retest. The goal is to tighten just to the point of eliminating noticeable sloppiness, without over-tightening. You may need to repeat this process a few times to dial in the adjustment perfectly.

Step 4: Reinstall Protective Plate and Test Steering

Once the gear lash feels properly adjusted, put the protective plate back on and install the four bolts. Tighten the bolts to the factory torque spec, usually around 20-30 ft-lbs. Before driving, turn the steering wheel through its full motion to double check tightness. The motion should feel smooth and precise, not overly tight or loose. Take the vehicle for a test drive and make any final minor adjustments until the steering feels perfect.

Frequently Asked Questions About Adjusting the Ford F250 Steering Box

How do I know if my F250 steering box needs adjustment?

Signs your F250 steering box needs adjustment include looseness or sloppiness in the steering wheel, wandering or lack of straight line tracking, and excessive play when the wheel is in center position. Clunking noises during steering can also indicate wear and the need for adjustment.

Steering that feels loose or vague is the most common symptom that adjustment is needed. Even a half turn or more of looseness at the steering wheel rim indicates excessive lash in the gearbox. As soon as any sloppiness is noticed, check the steering box adjustment.

What causes the steering box to get out of adjustment?

Normal wear between the gear teeth inside the steering box is the primary cause of lash and the need for adjustment. The steering box uses a worm gear and sector shaft that mesh together when turned. Over many miles of use, these gear teeth wear and clearance between them increases, allowing undesirable play. Periodic adjustment takes up this wear-induced lash.

Issues like power steering fluid leaks can also contaminate the internal gears and accelerate wear. Damage from accidents, corrosion, or loose steering components may also require box adjustment. Regularly checking and adjusting the gear lash can maximize steering box lifespan.

How tight should I set the steering box adjustment?

The adjustment should be just tight enough to eliminate noticeable steering wheel looseness when centered, along with any steering wander. Some subtle play at center is still desired. Over-tightening the adjustment screw can overload the gear teeth and cause premature damage.

A good rule of thumb is to tighten the adjustment just until the noticeable lash is eliminated. Then test driving the vehicle and making minor refinements until the steering feels ideally responsive yet not overly tight. Setting the adjustment requires a delicate, compromise between responsiveness and longevity.

What tools do I need to adjust the F250 steering box?

The primary tools needed are a ratchet wrench, socket set, and an Allen key on an extension. Typical socket sizes required are 18mm, 15mm, or 13mm. A long 6-inch extension helps provide the necessary reach to the recessed adjustment screw. Other useful tools include a flat head screwdriver, power steering fluid, and a torque wrench for proper tightening.

Should I replace the whole steering box instead of adjusting it?

For most situations, adjusting the existing steering box is preferable to replacing it. Adjustment can often restore responsiveness at low cost. Complete replacement is really only needed if internal components are damaged or badly worn. Adjustment should always be attempted first before considering replacement.

However, if adjusting no longer achieves acceptable tightness, or the box is leaking badly, then replacement may be the better solution. Get professional advice on your options if adjustment does not fix loose steering issues. Proper repair or replacement of overly worn parts will be necessary to avoid safety issues.

What risks are there from improperly adjusting the steering box?

The main risks involve over-tightening the adjustment screw or failing to properly secure the protective plate. Turning the adjustment too far can overload the gear teeth and cause premature wear or internal damage. This leads to expensive repairs. Not properly bolting on the cover plate makes the steering vulnerable to contamination of dirt and debris.

Improper adjustment can also make the steering overly tight or unresponsive. This reduces drivability and proper return-to-center characteristics. Lack of technical skill or failure to retorque bolts to spec can result in bigger problems. Getting professional service for anything beyond basic adjustment may be wise for most owners.

How often does the F250 steering box need adjustment?

Most Ford F250 steering boxes will need periodic adjustment around every 40,000 – 60,000 miles. However, the interval can vary greatly depending on driving conditions and maintenance history. Steering boxes on vehicles used for towing or frequent off-road use may require adjustment much sooner.

Signs of steering looseness, play, or clunking are the best indicators that adjustment is due, regardless of mileage. Whenever those symptoms appear, have a technician check and adjust the gear lash as needed. Proper adjustment intervals will maximize steering performance and longevity.

What are the consequences of failing to adjust the steering box?

Driving long term with a loose, poorly adjusted steering box can lead to accelerated wear of internal components. The excessive gear tooth clearance allows unnecessary impacts during steering. This can damage the gear teeth and lead to slop that may no longer be fixable via adjustment.

Loose steering also impacts handling, stability, and drivability. Safety is compromised as the driver loses precision control and the truck’s tendency to wander increases. Preventing excessive internal wear through periodic adjustment helps extend the service life of the steering gearbox.


Adjusting the steering box on a Ford F250 is a vital maintenance procedure that ensures tight, responsive steering and safe handling. While seeming complex, it can be successfully accomplished DIY-style using basic tools and the steps provided. Locating the adjustment screw, carefully increasing its tightness, and properly torquing the cover plate are at the crux of the process. Periodic adjustment eliminates steering looseness caused by normal gear wear over miles of operation. For optimum safety and control of this heavy-duty truck, maintaining proper gearbox adjustment is a must.

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