2017 GMC Sierra 1500 Wheel Alignment Specs

Quick Reference

Adjustability

The 2017 GMC Sierra 1500 offers some factory adjustability for its front wheel alignment, but certain angles may require aftermarket solutions for full correction.

Front Alignment:

• Camber and Caster: From the factory, these angles are adjustable via eccentric cams located on the lower control arms where they attach to the frame. These cams allow for a reasonable range of adjustment, but significant deviations (e.g., from a collision or worn suspension components) might exceed the factory adjustment limits.
• Toe: Front toe is adjustable by loosening the jam nuts on the tie rod ends and rotating the tie rods. This lengthens or shortens the tie rod, effectively changing the toe angle.

Rear Alignment:

• Camber, Toe, and Thrust Angle: The rear axle of the 2017 GMC Sierra 1500 is generally non-adjustable from the factory. The rear suspension is a solid axle design, meaning its geometry is fixed. If the rear camber, toe, or thrust angle is found to be outside specifications, it typically indicates a bent axle housing, damaged suspension components, or issues with axle mounting, all of which require repair or replacement of parts rather than simple adjustment. Aftermarket solutions exist, such as shims or adjustable hangers, but these are not factory-intended adjustments.

Recommended Adjustment Hardware

While the 2017 GMC Sierra 1500 has factory adjusters for front camber and caster, sometimes more range is needed. In such cases, aftermarket solutions can be beneficial:

• Aftermarket Cam Bolts/Kits: If your truck has been lifted or leveled, or if there's significant wear that factory adjusters can't compensate for, aftermarket cam bolts or complete alignment kits (from brands like SPC, Moog, or Eibach) can provide a wider range of adjustment for front camber and caster. These often feature eccentric bushings or more aggressively designed cams to achieve desired alignment specs, especially for modified suspensions. Ensure any aftermarket parts are compatible with your specific Sierra 1500 model and intended use.

Symptoms of Bad Alignment

A misaligned vehicle can present several noticeable symptoms, affecting handling, safety, and tire life:

• Uneven Tire Wear: This is the most common and clear indicator. Different alignment issues cause distinct wear patterns:
  • Feathering: Sawtooth-like wear across the tread, typically indicating excessive toe-in or toe-out.
  • Inner or Outer Edge Wear: Excessive positive or negative camber will cause one edge of the tire to wear down more rapidly than the other.
  • Cupping/Scalloping: Pothole-like depressions around the tire, often related to worn suspension components but can be exacerbated by alignment issues.
• Vehicle Pulling or Drifting: The vehicle constantly wants to steer to one side, requiring constant steering correction to drive straight.
• Off-Center Steering Wheel: The steering wheel is not straight when the vehicle is driving in a straight line.
• Loose or Sloppy Steering: The vehicle feels unresponsive, or there's too much play in the steering.
• Vibration: While often linked to tire balance, alignment issues can sometimes contribute to vibrations felt through the steering wheel or seat, especially at higher speeds.
• Squealing Tires: Tires squealing during turns, even at low speeds, can indicate improper toe or camber settings.

When to Align

To maintain optimal handling, tire life, and safety, consider getting an alignment in the following situations:

• After Suspension or Steering Component Replacement: Any time components like tie rod ends, control arms, ball joints, struts, shocks, or steering racks are replaced, an alignment is essential.
• After Installing New Tires: New tires should always be paired with a fresh alignment to ensure they wear evenly and last their full lifespan.
• After an Accident or Hitting a Large Pothole/Curb: Significant impacts can easily knock your alignment out of specification.
• Every 1-2 Years or 15,000-30,000 Miles: Even without specific incidents, normal wear and tear can gradually shift alignment angles. A preventative alignment ensures everything remains within spec.
• When Noticing Any of the Symptoms of Bad Alignment: If you observe any of the issues listed above, don't delay in getting your Sierra 1500 checked by a professional.

Typical Alignment Cost

The cost of a wheel alignment for your 2017 GMC Sierra 1500 can vary depending on your location, the shop, and whether you require a two-wheel (front only) or four-wheel alignment (though on this truck, a four-wheel check is usually performed to assess thrust angle, even if only the front is adjustable). Generally, you can expect to pay anywhere from $100 to $200. Some shops may offer discounted alignments with the purchase of new tires, or as part of a service package. Always inquire about what is included, such as before-and-after printouts of your alignment specs.

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