Is it necessary to change the transmission filter on a Honda Accord?

The short answer is that it is generally recommended to change the transmission filter on a Honda Accord, but the necessity can vary depending on the vehicle's age, mileage, and driving conditions. The transmission filter plays a crucial role in maintaining the health and performance of the vehicle's transmission system.

Understanding the Importance of the Transmission Filter

The transmission filter in a Honda Accord is responsible for trapping debris and contaminants that can accumulate in the transmission fluid. Over time, these particles can cause wear and tear on the transmission components, leading to potential issues such as slipping, delayed gear changes, or even complete transmission failure. Regularly changing the transmission filter helps to ensure that the fluid remains clean and the transmission operates efficiently.

Recommended Transmission Filter Replacement Intervals

• Honda recommends changing the transmission filter every 30,000 to 60,000 miles, or as part of a regular transmission fluid change.


• However, the actual replacement interval may vary depending on the vehicle's age, mileage, and driving conditions. Factors such as towing, frequent stop-and-go traffic, or driving in harsh environments can accelerate the need for filter replacement.


• It's always a good idea to consult your Honda Accord's owner's manual or speak with a qualified mechanic to determine the appropriate replacement schedule for your specific vehicle.

Regularly changing the transmission filter on your Honda Accord can help to extend the life of your vehicle's transmission and prevent costly repairs down the line. By staying on top of this maintenance task, you can ensure your Accord continues to perform at its best.

Does a Honda Accord have a transmission filter?

Yes, a Honda Accord has a transmission filter, but its location and replacement schedule can vary depending on the model year and transmission type (automatic or CVT). The filter is a crucial component that keeps the transmission fluid clean, and it should be replaced as part of regular maintenance to prevent problems like leaks, overheating, and shifting issues. 
Filter location varies by model

• Some older models: The filter is located inside the transmission pan, accessible only when the transmission is removed. 
• CVT transmissions (e.g., 2013-2017 models): The filter is housed inside a separate unit called the transmission fluid warmer, which is located under the battery and its tray. Replacing it requires removing the battery and its support bracket. 
• Inline filter: Some models may have an inline filter that is accessible by removing the air filter housing and other components from the top of the transmission. 

When to replace the filter

• Manufacturer recommendation: Follow the maintenance schedule provided by the manufacturer for your specific model. 
• Automatic transmissions: A complete service may recommend replacing the filter every 30,000 or 50,000 miles. 
• CVT transmissions: Replacement is often recommended as part of a complete fluid and filter service, which may be done every 30,000 miles or more. 
• Service when leaking: If you notice any leaks or other issues, it is a good idea to replace the filter. 

How to replace the filter

• For CVT transmissions:
  1. Remove the battery and its support bracket to access the fluid warmer. 
  2. Disconnect the battery and drain the old transmission fluid. 
  3. Remove the old filter from the fluid warmer, making sure to replace the O-rings as well. 
  4. Add new fluid, reassemble, and reset the maintenance reminder. 
• For automatic transmissions:
  1. Check your owner's manual to see if the filter is accessible from the top or if the transmission pan needs to be removed. 
  2. If the pan needs to be removed, you will need to drain the fluid and replace the pan gasket. 

What happens if I don't change the transmission filter?

Like any other type of filter, the transmission filter is eventually going to clog up with debris, dirt, metal shavings, and other contaminants if it's never changed.

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

Symptoms of a clogged transmission filter include slipping gears, delayed or erratic shifting, strange noises (like whining or grinding), a burning smell, transmission fluid leaks, and dashboard warning lights. These symptoms occur because a clogged filter restricts the flow of transmission fluid, preventing the transmission from operating correctly and potentially causing overheating.
 
Common symptoms

• Slipping gears: You may feel the vehicle lose power or shift out of gear unexpectedly, even while maintaining speed. 
• Delayed or erratic shifting: The transmission may hesitate before engaging a new gear, or shifts may feel rough or jerky. 
• Unusual noises: Listen for whining, buzzing, or grinding sounds, particularly when shifting or accelerating. 
• Burning smell: This can indicate that the transmission is overheating due to poor fluid circulation. 
• Leaking fluid: Excessive pressure from a clogged filter can cause leaks, often appearing as reddish or dark puddles under the vehicle. 
• Warning lights: The "check engine" or a specific transmission warning light may illuminate on the dashboard. 

Why these symptoms happen

• A transmission filter's job is to trap contaminants and debris in the transmission fluid. 
• When the filter becomes clogged, the transmission fluid pump has to work harder to push fluid through the blockage, a process that is sometimes compared to drinking a thick milkshake through a thin straw. 
• This reduced and inconsistent fluid flow leads to inadequate lubrication and cooling, causing the symptoms listed above. 

If you experience any of these signs, it is important to have your vehicle inspected by a professional, as continuing to drive with a clogged filter can lead to more severe damage.

Do Hondas have transmission filters?

The transmission filter in your Honda is a crucial part of the vehicle's transmission system. It ensures that the transmission fluid remains clean by filtering out dirt, metal shavings, and other debris that can accumulate over time.