Chevrolet Impala Rear Lateral Arm Guide (2000-2014): A Mechanic's Advice
Solving rear-end clunks and uneven tire wear on your 2000-2014 Chevrolet Impala.
- Symptoms include rear clunking, a loose feeling, and uneven tire wear.
- A known issue on 2007-2008 models caused rapid rear tire wear.
- Always get a four-wheel alignment immediately after replacement.
- Aftermarket brands like Dorman and Mevotech are reliable, cost-effective choices for this repair.
Is This The Right Guide For Your Impala?
This article covers the 8th and 9th generation Chevrolet Impala, model years 2000-2013, and the Impala Limited from 2014. These models use a multi-link rear suspension where lateral arms are common failure points. The 1997-1999 Impala SS has a different rear suspension design, so this guide does not apply to those vehicles.
Symptoms of a Failing Lateral Arm
When a lateral arm or its bushings wear out, the symptoms are usually easy to notice. You don't need to be a mechanic to tell something is wrong with your rear suspension.
- Clunking or Knocking Noises: This is the most common symptom. You'll hear a clunking or rattling sound from the rear of the car, especially when going over bumps, potholes, or even just uneven pavement. This is the sound of the loose link moving around. 🎬 Watch this video to diagnose a rear suspension rattle.
- Loose or Wandering Rear End: The car might feel unstable or 'loose' from the back, especially at highway speeds or during turns. It can feel like the rear of the car wants to steer on its own.
- Uneven Rear Tire Wear: A bad lateral arm allows the wheel alignment to shift, causing the inside or outside edge of your rear tires to wear out much faster than the rest of the tread. If you see rapid tire wear, a bad link is a likely cause.
Known Issue: 2007-2008 Impala Rear Tire Wear
Owners of 2007-2008 Chevrolet Impala models reported widespread issues with defective rear lateral arms (often called spindle rods) that caused severe and rapid rear tire wear. While no official safety recall was issued for civilian vehicles for this specific problem, it was a well-documented complaint. If you own one of these model years and experience rapid tire wear, your lateral arms are the first place to inspect.
Choosing the Right Aftermarket Lateral Arm
For a daily-driven Impala, new aftermarket lateral arms offer a great balance of performance and value. OEM parts are often expensive and for a vehicle of this age, not always necessary. The two most common brands you'll find are Dorman and Mevotech.
- Dorman: Dorman is a well-known brand that makes reliable replacement parts that are designed to fit and function just like the original. They are a cost-effective choice for the average driver and are popular with DIY mechanics. 🎬 See this step-by-step walkthrough for replacing the lateral link.
- Mevotech: Mevotech specializes in suspension and steering parts and is often praised for its quality and durability at an affordable price. They are a solid choice and a favorite among many mechanics for everyday repairs.
Pro Tip: For this repair, both Dorman and Mevotech are dependable choices. The best decision often comes down to price and availability. You can confidently install either brand and expect a reliable, long-lasting repair for normal driving conditions.
Cost to Replace a Chevrolet Impala Lateral Arm
| Part Type | Estimated Part Cost |
|---|---|
| New Aftermarket (Dorman, Mevotech) | $39.62 - $67.16 |
| Shop Labor | $80 - $120 |
| Total Estimated Cost (One Side) | $120 - $187 |
Cost estimates are for one side. It is often recommended to replace lateral arms in pairs. Prices do not include taxes, fees, or the cost of a wheel alignment.
Frequently Asked Questions (FAQ)
How many lateral arms does my Impala have?
Your 2000-2014 Impala has four rear lateral arms in total: a forward and a rearward arm 🎬 Watch a quick demonstration of how these two bolts attach. on each side (left and right). They often look very similar but may have different lengths or part numbers.
Should I replace them in pairs?
Yes, it's highly recommended. If one arm has failed due to age and wear, the one on the opposite side is likely in similar condition. Replacing them in pairs ensures even handling and suspension performance.
Do I need a wheel alignment after replacing lateral arms?
Yes, absolutely. Replacing lateral arms will change your rear wheel alignment. You must get a four-wheel alignment done immediately after the repair to prevent dangerous handling and rapid tire wear.
Was there a recall for the Impala lateral arm?
There was no official safety recall for the rear lateral arms on civilian Impalas. However, there were many owner complaints and a lawsuit regarding premature tire wear caused by these parts on 2007-2008 models. A separate recall for the *front* lower control arms was issued for 2008-2012 Impala *police* vehicles, but GM stated it did not apply to civilian cars.
Helpful Videos
Technical Specifications
The rear suspension on the 2000-2014 Impala uses a four-link design, which includes two lateral arms per side (forward and rearward). Some aftermarket arms are adjustable to help with alignment.
We Have This Part in Stock
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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