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Should you replace all 4 struts at once?


Struts are a critical component of your vehicle's suspension system, ensuring a smooth and stable ride. If you're experiencing issues with your struts, you might wonder whether it's necessary to replace all four at the same time. In this article, we'll explore the factors to consider when deciding whether to replace all four struts at once or just the ones that are worn out.


Understanding the Role of Struts


Struts are part of your car's suspension system and serve two primary purposes: they absorb shocks from the road and provide structural support for the vehicle. They play a key role in maintaining proper alignment, handling, and overall ride comfort. Over time, struts can wear out due to regular use, leading to symptoms such as excessive bouncing, uneven tire wear, or difficulty steering.


When Should You Replace Struts?


Struts typically last between 50,000 and 100,000 miles, depending on driving conditions and vehicle type. However, there are some clear signs that your struts may need replacement:



  • Excessive bouncing or swaying while driving.

  • Uneven or rapid tire wear.

  • Leaking hydraulic fluid from the struts.

  • Difficulty steering or poor handling.

  • Unusual noises, such as clunking or knocking, when driving over bumps.


Should You Replace All 4 Struts at Once?


While it is not always necessary to replace all four struts at the same time, there are some important considerations to keep in mind:



  • Replace in Pairs: It is generally recommended to replace struts in pairs (front or rear) to maintain balanced handling and stability. Replacing only one strut can lead to uneven wear and compromised performance.

  • All Four for High Mileage: If your vehicle has high mileage and all four struts are showing signs of wear, replacing all four at once can restore the suspension system's performance and ensure a consistent ride quality.

  • Budget Considerations: Replacing all four struts at once can be costly. If budget constraints are a concern, prioritize replacing the most worn-out pair first and plan to replace the others soon after.

  • Driving Conditions: If you frequently drive on rough roads or carry heavy loads, replacing all four struts may be a wise investment to ensure optimal performance and safety.


Conclusion


Deciding whether to replace all four struts at once depends on the condition of your vehicle, your budget, and your driving habits. At Kevin's Autos, we recommend consulting with a trusted mechanic to assess the state of your struts and provide personalized advice. Remember, maintaining your suspension system is essential for your safety and the longevity of your vehicle. If you're unsure about your struts, don't hesitate to reach out to us for a professional inspection!


Frequently Asked Questions

What are some symptoms of a bad strut?


Symptoms of Worn Shocks & Struts

  • Nose dive when braking.
  • Bouncy ride.
  • Vehicle rolls or sways when cornering.
  • Uneven tire wear.
  • Rear squat during acceleration.
  • Vibration in steering wheel.
  • Unusual noises.
  • Leaking fluid on exterior of shocks/struts.



What else should be replaced when replacing struts?


Yes, it is also a good idea to replace both the strut mount and the strut boot when replacing struts. The strut mount optimizes suspension performance by providing a smooth steering response and reducing vibration.



Can struts be replaced in pairs?


Monroe recommends that you change your shocks and struts in pairs. If the front left strut has failed and needs to be changed, you should also install a new front right strut. Similarly, if the rear right shock needs replacing, be sure to change the rear left shock.



How long can you drive with bad struts?


Can I drive with a damaged strut? No. It needs to be repaired as soon as possible. A strut works by absorbing the bounce of your car driving over bumps in the road.



Can you replace struts without replacing springs?


Do Shocks and Springs Need to Be Replaced at the Same Time? Replacing suspension springs in pairs per axle is crucial because it increases driving safety and comfort. It also protects the suspension strut mounts, dampers and tires from premature wear and ensures that both springs are matched by rating and fitting.



Do I need to do an alignment after replacing struts?


Yes, it is generally recommended to perform a wheel alignment after replacing front struts. Here's why: Suspension Changes: Replacing struts can alter the suspension geometry, affecting the angles at which the wheels are positioned.



Will new struts improve ride?


Replacing worn struts with new ones can significantly enhance your car's stability and control. New struts provide better shock absorption, reducing the impact of road irregularities and ensuring that your tires maintain consistent contact with the road.



Do new struts make a big difference?


Replacing shocks and struts after 50,000 miles can keep the vehicle performing as well as it was designed and extend its life expectancy. Worn shocks and struts eventually causes ride control conditions to worsen to a degree that impairs the drivers ability to control the vehicle.



How much does it cost to replace all 4 struts?


How Much Would It Cost to Replace Your Shocks and Struts? A typical shock and strut replacement can set you back anywhere between $450 and $1,100. However, keep in mind that this can vary depending on the type of vehicle suspension you have and your location.



Should you replace all four struts?


While replacing two struts is clearly better than not replacing any struts, replacing all four is far preferable in terms of handling and road-holding. And, since handling/roadholding is a major safety-related issue, you should give this some consideration.


Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.