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How often should you change transmission fluid on a Chevy Impala?

The recommended transmission fluid change interval for a Chevy Impala can vary depending on the model year and driving conditions, but generally it's advised to change the fluid every 30,000 to 50,000 miles. Proper maintenance of the transmission fluid is crucial for the longevity and performance of your Impala's transmission system.


Transmission Fluid Change Interval for Chevy Impala


According to the Chevy Impala owner's manual, the transmission fluid should be changed every 30,000 to 50,000 miles, or every 24 to 40 months, whichever comes first. This recommendation applies to most Impala models, though some earlier models may have slightly different intervals.


It's important to note that the actual fluid change interval can vary depending on your driving conditions and habits. For example, if you frequently tow heavy loads, drive in stop-and-go traffic, or operate your Impala in extreme temperatures, you may need to change the fluid more frequently, around every 30,000 miles.


Why Changing Transmission Fluid is Important


Regularly changing the transmission fluid in your Chevy Impala helps to ensure the proper functioning and longevity of the transmission system. Over time, the transmission fluid can break down, become contaminated, and lose its lubricating properties, which can lead to increased wear and tear on the transmission components.p>

Neglecting to change the transmission fluid can result in a range of issues, including:



  • Increased transmission slippage and delayed gear changes

  • Premature wear and tear on the transmission components

  • Reduced fuel efficiency

  • Potential transmission failure


By following the recommended transmission fluid change interval for your Chevy Impala, you can help to prevent these problems and ensure the long-term health and performance of your vehicle's transmission system.


Transmission Fluid Change Procedure


Changing the transmission fluid in a Chevy Impala typically involves the following steps:



  • Park the vehicle on a level surface and apply the parking brake

  • Locate the transmission fluid drain plug, usually located at the bottom of the transmission housing

  • Place a drain pan underneath the drain plug and remove the plug to allow the old fluid to drain out

  • Once the fluid has drained, replace the drain plug and refill the transmission with the recommended type and amount of new fluid

  • Start the engine and check the fluid level, adding more if necessary

  • Test drive the vehicle to ensure proper transmission operation


It's recommended to have this procedure performed by a qualified automotive technician, as they have the necessary tools and expertise to ensure the job is done correctly.

How long do Impala transmissions last?


How many miles the transmission of a Chevy Impala can last is dependent on the type of transmission that goes in your car. On average, the transmission often lasts up to 160,000 miles.



Is it better to flush or change transmission fluid?


Flush — Which to Choose? It's been said that a transmission flush is more effective than a change because: With a flush, all the old fluid is removed by a flush machine and replaced with new fluid, allowing for optimal transmission performance.



When should transmission fluid be changed on a Chevy Impala?


2017 Chevy Impala transmission fluid changes are extremely crucial to keep your vehicle's transmission cool and lubricated. If you don't routinely and repeatedly change your fluids at least every 30,000 miles or so, you may find that your 2017 Chevy Impala transmission will instantly slip.



What are symptoms of low transmission fluid?


In the meantime, it's a good idea to familiarize yourself with the tell-tale signs that you may be low on transmission fluid.

  • Noises.
  • Burning Smell.
  • Transmission Leaks.
  • Slipping Gears.
  • Slow Gear Engagement.
  • Vehicle Accelerates Poorly.
  • Check Engine or Transmission Warning Light Is On.



Does Chevy recommend transmission flushes?


Almost every car manufacturer recommends against using transmission flushing chemicals, and most will void your transmission warranty if they can prove these chemicals are being used. These chemicals can damage your transmission, which is why most automakers recommend against them.



What happens if you never change transmission fluid?


It's also worth keeping in mind that the transmission isn't the only part of your vehicle at risk. When the transmission runs hot, the engine can overheat as well. Apart from overheating, old transmission fluid can lead to a buildup of sludge and debris that creates clogs.



How much should a full transmission fluid change cost?


$100.00 to $300.00
The cost of a transmission fluid change, typically ranging from $100.00 to $300.00, is tied to the specific fluid required by the vehicle. Quality, brand, and quantity contribute more to the cost than labor.



Why do mechanics say not to change transmission fluid?


That bad fluid may have a “sticky” quality to it or metal flecks that act to aid friction, and if it's changed, the new fluid might cause the transmission to start slipping.



How do I know if my transmission fluid needs to be changed?


Signs You Need to Change Transmission Fluid

  1. Difficult Shifting.
  2. Grinding Nose While Shifting.
  3. Slipping Gears.
  4. Unexpected Surging (Forward or Backward)



Should I get my transmission fluid change or flush?


Flush — Which to Choose? It's been said that a transmission flush is more effective than a change because: With a flush, all the old fluid is removed by a flush machine and replaced with new fluid, allowing for optimal transmission performance.


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.