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When should I change my differential fluid Acura?

As an Acura owner, it's important to stay on top of your vehicle's maintenance, including changing the differential fluid at the right intervals. The differential fluid plays a crucial role in the smooth operation of your Acura's drivetrain, and neglecting to change it can lead to costly repairs down the line.


What is Differential Fluid?


The differential is a crucial component of your Acura's drivetrain, responsible for distributing power from the transmission to the wheels. The differential fluid lubricates and cools the gears within the differential, allowing them to operate smoothly and efficiently. Over time, this fluid can break down, become contaminated, or lose its lubricating properties, which can lead to increased wear and tear on the differential components.


When to Change Differential Fluid


The recommended interval for changing your Acura's differential fluid can vary depending on the model and driving conditions. However, as a general guideline, it's a good idea to change the differential fluid every 30,000 to 60,000 miles, or as specified in your Acura's owner's manual. Some key signs that it's time to change the differential fluid include:



  • Unusual noises or vibrations coming from the differential

  • Difficulty shifting gears or a "clunking" sound when shifting

  • Leaks around the differential housing

  • Discoloration or a foul odor in the existing fluid


If you notice any of these issues, it's best to have your Acura inspected by a qualified mechanic as soon as possible to avoid further damage to the differential.


How to Change Differential Fluid


Changing the differential fluid on your Acura is a relatively straightforward process, but it's important to follow the manufacturer's instructions carefully. Here are the basic steps:



  • Park your Acura on a level surface and apply the parking brake.

  • Locate the differential drain plug, usually located on the bottom of the differential housing.

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

  • Once the old fluid has drained, replace the drain plug and fill the differential with the recommended type and amount of new fluid.

  • Check your Acura's owner's manual for the specific fluid type and capacity for your model.

  • Dispose of the old fluid properly, as it can be harmful to the environment.


If you're not comfortable performing this task yourself, it's best to have a qualified Acura mechanic handle the differential fluid change for you.


By staying on top of your Acura's differential fluid maintenance, you can help ensure the longevity and smooth operation of your vehicle's drivetrain. Remember to consult your owner's manual and follow the manufacturer's recommendations to keep your Acura running at its best.

When to change Acura rear differential fluid?


If you regularly drive your vehicle under these conditions, have the differential fluid changed at 7,500 miles (12,000 km), then every 15,000 miles (24,000 km).
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How often should differential fluid be changed?


Differential fluid should be changed every 30,000 to 60,000 miles, but this can vary significantly based on your vehicle and driving habits. The best practice is to consult your owner's manual for the specific interval recommended for your vehicle and to consider a more frequent change if you frequently tow, drive off-road, or encounter severe conditions. 
General guidelines

  • Standard interval: A common recommendation is to change differential fluid between 30,000 and 60,000 miles for most passenger vehicles. 
  • Severe conditions: If you frequently tow, drive off-road, or encounter extreme temperatures, you may need to change it more often, potentially closer to the 30,000-mile mark. 
  • Severe duty: Some manufacturers may have specific "severe duty" schedules that suggest a lower mileage interval. 
  • Check the owner's manual: Always refer to your vehicle's owner's manual for the most accurate information regarding fluid type and replacement intervals. 

Signs your differential fluid needs changing
  • A whirring, whining, or howling sound
  • Unusual vibrations
  • The oil appears dark or discolored
  • Grinding gears
  • Small metal shavings in the fluid 



What is 60000 mile service on Acura?


60,000 Mile Service
At 60,000 miles, it's time to replace all the hoses, belts, and valves in your Acura. It may also be time to replace your car battery; batteries last an average of 4-5 years, which translates to around 50,000-60,000 miles for the average driver.



Do I really need to change differential fluid?


Yes, you do need to change differential fluid because it breaks down over time and gets contaminated, which can lead to excessive friction, wear, and costly damage to the differential's gears. Changing the fluid protects against wear, provides essential lubrication, and extends the life of the differential. The recommended interval is typically between 40,000 and 60,000 miles, but you should always check your owner's manual for the specific requirements of your vehicle. 
This video explains why changing differential fluid is important and how often it should be done: 59sMaxTheCarGuyYouTube · Oct 15, 2023
Why changing differential fluid is necessary

  • Lubrication: The fluid lubricates the gears and other moving parts inside the differential to reduce friction and heat. 
  • Protection: Over time, the fluid can become dirty and break down, reducing its effectiveness and ability to protect components from wear and corrosion. 
  • Performance: Dirty or low fluid can cause noises like whirring or whining, unusual vibrations, and ultimately, lead to the differential failing. 
  • Cost savings: Replacing the fluid is much less expensive than repairing or replacing a damaged differential. 

When to change it
  • Follow your owner's manual: The most accurate recommendation for your vehicle will be in its owner's manual, as service intervals vary. 
  • General guidelines: A common interval is every 40,000 to 60,000 miles, though some manuals suggest intervals as long as 90,000 miles or "lifetime" fluid for certain vehicles. 
  • Severe conditions: If you frequently tow, haul heavy loads, or drive in extreme conditions, you should change the fluid much more often, potentially around every 30,000 to 50,000 miles. 

This video demonstrates what happens when differential fluid is not changed and how to check it: 45s1ROADYouTube · Mar 24, 2019
Signs your differential fluid needs changing
  • Noise: A whirring, whining, or howling sound coming from the differential. 
  • Vibrations: Unusual vibrations while driving. 
  • Fluid condition: If you were to inspect it, the fluid is dark brown or black, or a light olive-green color. 
  • Difficulty turning: Though less common, this can be a symptom of a serious issue. 


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.