2023 Volvo VNL Wheel Alignment Specifications

Adjusting the wheel alignment on your 2023 Volvo VNL is crucial for maintaining tire life, fuel efficiency, and safe handling. This guide provides comprehensive alignment specifications and important considerations for your VNL.

Quick reference

Adjustability

On the 2023 Volvo VNL, some alignment angles are factory adjustable, while others require specialized parts or methods for alteration:

• Front Camber & Caster: These angles are typically adjusted using shims on the upper control arm mounts or eccentric bushings at the lower control arm pivot points. Some VNL models may also feature adjustable কিং pin inclination, which affects camber and caster simultaneously.
• Front Total Toe: This is the most commonly adjusted front angle, set by turning the tie rod ends. This lengthens or shortens the tie rods, effectively pushing the front of the tires in or out.
• Rear Camber: Rear camber on heavy-duty trucks like the VNL is generally not factory adjustable. If rear camber is outside of specification, it often indicates a bent axle, worn axle components, or chassis damage. Repairing these issues is necessary to correct rear camber.
• Rear Total Toe & Thrust Angle: Rear toe on the VNL is generally adjusted through eccentric cam bolts or shims at the spring hangers or axle mounts. Adjusting rear toe directly impacts the thrust angle, ensuring the rear wheels are tracking straight relative to the vehicle's centerline.

Recommended adjustment hardware

While factory adjustments are sufficient for minor corrections, significant deviations or repeated alignment issues may necessitate aftermarket solutions.

• Front Camber/Caster Kits: For larger adjustments, specialized eccentric bushings or adjustable shims are available from manufacturers like Hendrickson or SAF-Holland, depending on the specific axle and suspension configuration of your VNL. These kits allow for a greater range of adjustment than factory components.
• Rear Axle Shims: If rear toe or camber issues persist after inspecting for damage, shims can be installed between the axle and leaf springs (if applicable) to correct the alignment. These shims are common for fine-tuning rear axle thrust.

Symptoms of bad alignment

Ignoring alignment issues can lead to costly repairs and unsafe driving conditions. Here are common symptoms:

• Uneven Tire Wear: This is the most obvious sign.
  • Feathering: Sawtooth edge on one side of the tread block, often indicating incorrect toe.
  • Cupping/Scalloping: Depressions around the tire tread, often points to worn suspension components or improper toe settings.
  • Inner or Outer Edge Wear: Excessive wear on one side of the tire can indicate too much negative or positive camber.
• Steering Wheel Off-Center: If your steering wheel isn't straight when driving in a straight line, your alignment is off, typically toe.
• Vehicle Pulling to One Side: The truck constantly drifts to the left or right, requiring you to hold the steering wheel to keep it straight. This can be caused by camber, caster, or toe issues.
• Loose or Wandering Steering: The truck feels unstable on the road, requiring constant corrections to stay in your lane.
• Vibrations: While often a sign of tire imbalance, severe alignment issues can also contribute to vibrations felt through the steering wheel or floorboards.

When to align

Regular alignment checks are good preventative maintenance, but there are specific times when an alignment is critical:

• After Suspension or Steering Component Replacement: Any time components like tie rods, drag links, কিং pins, control arms, or ball joints are replaced, an alignment is mandatory.
• After New Tires: Always get an alignment when installing new tires to ensure you get the maximum lifespan out of them.
• After an Accident or Hitting a Large Pothole/Curb: Impact can knock your suspension out of alignment.
• When You Notice Any of the Above Symptoms: Don't wait for severe tire wear; address alignment issues promptly.
• Annually or Every 50,000 Miles: Even without symptoms, a preventative alignment check can catch minor issues before they become major problems.

Typical alignment cost

The cost of a wheel alignment for a heavy-duty truck like the Volvo VNL can vary significantly based on location, shop, and what adjustments are required. Generally, you can expect to pay anywhere from $150 to $400 for a steer and drive axle alignment. If specialized adjustments, such as shimming rear axles or replacing worn components, are needed, the cost will be higher.

Find a trusted alignment shop on Repairius.