2018 Ford F-150 Wheel Alignment Specifications

Article for Repairius.com, authored by an ASE-certified alignment technician.

Proper wheel alignment is crucial for the safety, handling, and longevity of your 2018 Ford F-150. Running on factory-correct alignment specifications ensures that your tires meet the road at the optimal angle, providing stable handling, predictable cornering, and even tire wear. This guide provides the essential alignment data and related information for your truck.

Quick reference

These are the factory alignment specifications for a 2018 Ford F-150 (4x2 and 4x4 models). Values are in degrees. "Pref" indicates the preferred or target value, while "Range" is the acceptable tolerance.

Note: Always verify specifications for your specific vehicle configuration. OEM data can vary slightly based on cab, bed, and drivetrain options.

Adjustability

Not all alignment angles on the 2018 F-150 are adjustable from the factory. Understanding what can and cannot be changed with OEM hardware is key.

• Front Camber & Caster: The front lower control arms on the F-150 have slotted mounting points. By loosening the bolts and shifting the arm's position, a technician can adjust both camber and caster simultaneously. No special aftermarket kits are required for typical adjustments.
• Front Toe: This is the most common and critical adjustment. It is easily set by turning the threaded tie rod ends that connect the steering rack to the steering knuckles.
• Rear Camber & Toe: The rear axle on a 2018 F-150 is a solid axle design. This means that rear camber and toe are not adjustable. If these values are out of specification, it typically indicates a bent axle housing, damaged axle tube, or worn-out wheel bearings. Such issues require component replacement, not alignment adjustment.
• Thrust Angle: This angle is a calculation of the rear axle's alignment relative to the vehicle's centerline. Since the rear toe is not adjustable, the thrust angle cannot be directly adjusted either. A bad thrust angle on an F-150 points to a problem with the rear axle's mounting, such as a shifted leaf spring, which must be corrected mechanically.

Recommended adjustment hardware

For most 2018 Ford F-150s, the factory slotted lower control arm mounts provide sufficient range to correct front camber and caster. However, if the vehicle has been lifted, leveled, or has sustained damage, the stock adjustment range may not be enough.

In these cases, aftermarket eccentric cam bolts (also known as alignment kits) can be installed in place of the original lower control arm bolts. These kits, such as those from manufacturers like SPC or Moog, create a greater range of adjustment, allowing a technician to bring camber and caster back into specification on a modified or slightly damaged truck.

Symptoms of bad alignment

Your truck will often tell you when its alignment is off. Look for these common symptoms:

• Steering Wheel Off-Center: The steering wheel is not straight when driving on a level road.
• Vehicle Pulling: The truck drifts to the left or right without steering input.
• "Feathered" Tire Wear: Caused by incorrect toe, you'll see a pattern where tread blocks are worn smooth on one edge and sharp on the other.
• "Scalloped" or "Cupped" Tire Wear: This pattern of dips or cups around the tire's edge often points to a combination of bad alignment and worn shocks or suspension components.
• Excessive Inner/Outer Shoulder Wear: This is a classic sign of a camber issue. Wear on the inside edge indicates negative camber, while wear on the outside edge points to positive camber.

When to align

It is essential to get your F-150's alignment checked and adjusted at regular intervals, not just when you notice a problem. We recommend an alignment check:

• After installing new tires. Protect your investment by ensuring the alignment is true from the start.
• After any suspension or steering service. This includes replacing shocks, struts, ball joints, control arms, or tie rods.
• After a significant impact, such as hitting a large pothole, curb, or road debris.
• Annually as part of your vehicle's preventative maintenance schedule, especially if you drive on rough roads.

Typical alignment cost

For a 2018 Ford F-150, a front-end alignment (which is all that is adjustable on this vehicle) typically costs between $100 and $180. Prices vary by location, shop labor rates, and whether it's a chain or independent repair facility. A full four-wheel alignment check is always recommended to verify the rear axle and thrust angle, even though it is not adjustable.

Find a trusted alignment shop on Repairius.