GMC Acadia Suspension Strut Replacement Guide (2018-2023)
Restore your Acadia's factory ride quality and eliminate clunking noises by understanding common strut issues and replacement options.
- Common failure symptoms include clunking over bumps, a bouncy ride, and nose-diving during braking.
- Always replace struts in pairs (both front or both rear) to ensure balanced handling.
- A wheel alignment is mandatory after replacing front struts to prevent uneven tire wear.
- Using a complete strut assembly (quick strut) is the safest and most efficient method for DIY replacement.
Is Your Acadia's Ride Getting Bumpy and Noisy?
As your 2018-2023 GMC Acadia accumulates miles, the suspension struts wear out. This is a normal process, but it can lead to a noticeable decline in ride quality and handling. Common symptoms include clunking sounds over bumps, a bouncy or floaty feeling on the highway, and the front end dipping more than usual when you brake. Recognizing these 🎬 Watch this video to identify common signs of bad struts. signs early can prevent further wear on other suspension components and your tires.
Known Issues, Recalls, and Service Bulletins
While there are no widespread recalls specifically for the struts on the 2018-2023 Acadia, it's important to be aware of related service information.
- NHTSA Recall 22V427000: Some 2022 Acadia models were recalled for an improperly tightened left-rear suspension toe link, which could lead to separation and a loss of control. While not a strut issue, it highlights the importance of suspension integrity.
- TSB 15-00-89-004C: GM issued a bulletin to help technicians distinguish between normal fluid "seepage" on a strut and a true fluid leak that requires replacement. A light film of oil is acceptable, but dripping fluid means the strut has failed.
- TSB 22-NA-239: This bulletin addresses a condition where the lower strut isolator could cause the spring to rub against the fender area, requiring inspection and cleaning.
Choosing the Right Aftermarket Struts
When replacing struts, you have a choice between original equipment (OEM) from a GM dealer and aftermarket parts. OEM parts are a direct replacement for what your Acadia came with from the factory. Aftermarket parts are made by other companies and come in various quality and price tiers.
- OEM Quality: Genuine GM struts are designed specifically for the Acadia and guarantee a precise fit and the original ride characteristics. However, they are typically the most expensive option.
- Aftermarket Quality (FCS Struts): Brands like FCS are a common budget-friendly aftermarket option. They are designed to meet the basic fit and function requirements and can be a cost-effective solution, especially for older vehicles or those on a tight budget. Some user reviews suggest that while they get the job done, they may not have the same longevity or refined ride quality as a premium aftermarket or OEM part. For many drivers, a standard aftermarket strut provides a significant improvement over worn-out originals at a much lower cost.
Pro Tip: For the easiest and safest installation, choose a "quick strut" or complete strut assembly. This includes a new strut, coil spring, and mount all in one unit. This eliminates the need for a dangerous spring compressor tool and ensures all related components are new.
Cost of Replacing GMC Acadia Struts
The cost can vary significantly based on the parts you choose and labor rates in your area. Replacing struts in pairs (both front or both rear) is always recommended.
| Part Type | Estimated Cost (Per Pair) |
|---|---|
| New Aftermarket (e.g., FCS) | $210 - $300 |
| New OEM | $450 - $700+ |
| Shop Labor | $250 - $500+ |
Frequently Asked Questions
Do I need a wheel alignment after replacing struts?
Yes, absolutely. Replacing a front strut disturbs the suspension geometry. A four-wheel alignment is required to ensure proper handling, prevent pulling to one side, and avoid rapid tire wear.
Should I replace struts in pairs?
Yes. Struts wear out at a similar rate. Replacing only one can cause unbalanced handling and ride height. Always replace them in pairs (both front or both rear) to maintain vehicle stability.
What's the difference between a strut and a shock?
A shock absorber simply dampens suspension movement. A strut, like on the front of your Acadia, is a structural part of the suspension that also includes a coil spring and serves as a pivot for the steering. The rear of the Acadia uses separate shock absorbers and coil springs.
Can I replace just the strut and reuse my old coil spring?
While possible, it is not recommended for DIY installation. It requires a special tool called a spring compressor, which can be very dangerous if used improperly. A complete strut assembly is safer, faster to install, and ensures all components are new.
Helpful Videos
Technical Specifications
OEM Part Numbers: 84049733 84049732 84510281 84510280
The 2018-2023 GMC Acadia uses a MacPherson-style strut assembly for the front suspension. The rear suspension consists of a separate shock absorber and coil spring. Electronic suspension (CDC) was not a common option on these models, but always verify your specific vehicle build.
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The information in this article is provided for general reference and educational purposes only. Vehicle specifications, procedures, and part compatibility can vary by production date, trim level, and region. Always consult your vehicle's factory service manual and verify part numbers before purchasing or performing repairs. Safety-critical components such as airbags, seat belts, and braking systems should be installed by a qualified professional.
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