- 6/4/2026
-
Automatic Transmission Filter
The automatic transmission is one of the most important and complex systems in a car, serving as a key link for transferring power from the engine to the wheels while ensuring smooth gear shifts without direct driver intervention. It also plays a major role in enhancing driving performance by adapting to driving conditions.
Regular maintenance of the automatic transmission undoubtedly has a direct impact on the car’s performance, as it helps reduce the likelihood of costly breakdowns and ensures the engine and its associated components operate without issues.
Automatic transmission fluid has its own filter, just like the engine oil filter, and its function is simply to purify the fluid of impurities and contaminants such as dust and sediment, preventing them from reaching the sensitive and delicate internal components.
Read also: When should automatic transmission fluid be changed?
Over time and with frequent driving, fine metal particles may form inside the transmission due to friction between metal components. This is where the filter comes in to capture these particles and prevent them from entering the system, thereby keeping the metal components clean and protecting them from corrosion and damage.
The automatic transmission fluid filter is usually located above the transmission pan—the part where excess fluid collects within the system—and is typically positioned below the suction tube directly connected to the oil pump inside the transmission, so it can filter the largest amount of fluid and trap impurities within it.
Because the automatic oil pan filter is so important, the inspection team at Motorgy, which offers you used cars in Kuwait, treats it with the same importance as other sensitive car parts. They inspect both the filter and the oil pan to verify their condition, noting the results in the comprehensive inspection report so you can feel at ease when purchasing your dream car from the comfort of your home, at the best price on the market.
Read also: Symptoms of a Damaged Fuel Filter
Should the oil filter be changed during an oil change?
With continuous driving, the automatic transmission fluid filter gradually wears out due to the accumulation of dirt and fine sediments, as well as small metal particles resulting from the friction of metal components. Therefore, checking the fluid and changing it periodically is important and should not be overlooked.
Since automatic transmissions are known to be sensitive, contaminated or unsuitable oil can significantly affect them, potentially leading to damage and costly repairs—or even requiring a complete replacement. For this reason, automakers recommend changing the filter at specific intervals listed in each vehicle’s owner’s manual.
As for when to change it, there is no fixed schedule for replacing the transmission fluid filter, but as a general rule, it can be replaced approximately every 40,000 to 100,000 km, or every time the transmission fluid is changed. Changing the filter along with the fluid helps keep the fluid clean while removing old contaminants at the same time.
You can find the official replacement schedule by referring to your car’s owner’s manual, which will provide all necessary information regarding intervals, oil type, and viscosity, or by contacting the official dealership to inquire about the details.
Read also: How do I choose the right engine oil for my car?
You should change the transmission fluid if you notice these signs
If you notice these signs, you should change the transmission fluid immediately. They are as follows:
Hearing unusual noises
If you notice unusual rattling sounds or vibrations while driving, especially when shifting gears, you should check the transmission fluid immediately. In some cases, the cause may be an internal malfunction or loosening of certain components; even a filter clogged with debris can lead to these sounds.
Presence of a leak
The appearance of any oil leak may be related to improper previous maintenance of the transmission pan or filter, or the result of an internal problem in the system. Additionally, damage to or cracking of gaskets or rubber seals can lead to a visible leak.
Oil contamination
The function of the transmission filter is to prevent contaminants from reaching delicate internal components such as gears and clutches. When the filter becomes dirty and clogged, the oil gradually becomes contaminated and loses its properties, which may lead to transmission overheating or damage to some of its internal parts if the problem is neglected.
Difficulty shifting gears
If you begin to experience difficulty shifting gears or notice a delay in response, the cause may be related to a weak or clogged transmission filter. This condition is sometimes accompanied by rough shifting or unstable acceleration, which requires a prompt inspection of the system to prevent the problem from worsening.
