2018 Chevrolet Suburban — Wheel Alignment Specifications

Quick reference

Adjustability

On the 2018 Chevrolet Suburban, front toe is adjustable from the factory. This is achieved by adjusting the tie rod ends. Front camber and caster, however, are not directly adjustable from the factory. If these angles are out of specification, it typically indicates worn components (ball joints, control arm bushings) or damage. However, aftermarket solutions like eccentric cam bolts or slotted control arm brackets can be installed to allow for camber and caster adjustments.

For the rear axle, total toe and individual toe are adjustable. Rear camber is not adjustable from the factory. Similar to the front, if rear camber is out of specification, it usually points to worn parts or damage. Aftermarket camber kits are available to correct this if needed.

Recommended adjustment hardware

If front camber or caster is persistently out of spec and worn components have been ruled out or replaced, aftermarket cam kits are a common solution. These kits typically replace existing bolts with eccentric ones, allowing for a limited range of adjustment. When choosing aftermarket hardware, always opt for reputable brands known for quality and durability, as these components are critical to steering and suspension performance.

Symptoms of bad alignment

Misaligned wheels can manifest in several ways, often impacting tire wear and vehicle handling:

• Feathering: This occurs when the tread blocks on one side of the tire are worn down more than on the other, creating a "feathered" edge. This is a common sign of incorrect toe.
• Camber wear (one-sided wear): If the inner or outer edge of the tire is significantly more worn than the rest of the tread, it indicates excessive positive or negative camber.
• Cupping or scalloping: Irregular dips or scoops in the tread, often occurring in patches around the tire. While sometimes related to worn shocks or struts, it can also be a symptom of alignment problems.
• Vehicle pulling or drifting: The vehicle consistently wants to steer to one side, even on a flat road. This is a classic sign of incorrect caster or cross-camber.
• Steering wheel off-center: Even when driving straight, the steering wheel is not centered. This often indicates a toe issue.
• Vibration: While many things can cause vibration, alignment, especially an issue with thrust angle, can contribute to a subtle vibration.

When to align

Regular wheel alignments are a crucial part of vehicle maintenance. You should consider getting an alignment in the following situations:

• After suspension or steering component replacement: Any time parts like tie rods, ball joints, control arms, or struts/shocks are replaced, an alignment is necessary.
• After purchasing new tires: To ensure even wear and maximize the life of your new tires.
• After hitting a significant pothole, curb, or other road hazard: Even if there's no apparent damage, a severe impact can knock your alignment out of spec.
• When you notice any of the "symptoms of bad alignment" listed above.
• At least once a year: Even without specific incidents, roads and general driving can cause minor shifts in alignment over time.

Typical alignment cost

The cost of a wheel alignment can vary depending on your location, the type of shop (dealership vs. independent), and whether any additional adjustments or parts are needed. Generally, you can expect to pay anywhere from $80 to $150 for a standard four-wheel alignment. If specialized aftermarket parts are required for adjustment, or if worn components need to be replaced before an alignment can be performed, the cost will be higher.

Find a trusted alignment shop on Repairius.