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Are Acura TL transmissions reliable?

Yes, overall the Acura TL’s transmissions are generally reliable, especially with regular maintenance. Most owners report smooth operation for many miles; reliability varies by model year and maintenance history, so it’s important to review service records and have a thorough pre-purchase inspection for used examples.


The TL line ran from the late 1990s into the mid-2010s, offering both automatic and manual options across generations. Reliability of the transmission tends to reflect Honda/Acura’s engineering approach: solid mechanical design and long service life when fluid changes, cooling maintenance, and related service are kept up to date. As with any aging vehicle, certain year-specific quirks appeared, particularly in automatic transmissions, but these issues are typically manageable with timely maintenance.


Reliability by generation


First generation (1999–2003)


Early TL models paired a V6 with a traditional automatic and offered a 6‑speed manual in sportier trims. Overall, these transmissions are generally dependable, but as with many aging automatics, some examples exhibited age-related symptoms such as delayed engagement or occasional harsh shifts. Manual transmissions from this era tend to be durable but are subject to typical clutch wear like other performance-oriented sticks.


Second generation (2004–2008)


This refresh improved the automatic transmission and made the 6‑speed manual more widely associated with the sportier Type‑S. Automatics in this generation rarely failed catastrophically, but some vehicles experienced torque-converter shudder, shifting quirks, or valve‑body/solenoid-related issues. With regular maintenance, these problems are usually addressable without large repair bills.


Third generation (2009–2014)


Later TLs mostly relied on a refined automatic transmission paired with a sportier profile in certain trims, while the manual option remained limited to specific variants. Reliability stayed solid for most cars with routine maintenance, though high-mileage units can show wear common to any automatic—solenoids, sensors, and seals in the transmission can require service over time. Proper cooling system upkeep also helps longevity, since overheating accelerates wear.


To help potential buyers and owners gauge the transmission’s health, the following issues are among those reported by shops and owners, along with practical steps to reduce risk.



  • Torque‑converter shudder or judder during low‑speed or light-throttle driving, seen in several 5‑speed automatics; remedies range from software updates to fluid changes or, in some cases, torque‑converter replacement.

  • Harsh shifts, slipping, or delayed engagement, often related to fluid condition, valve‑body components, or solenoids; regular maintenance tends to lessen these symptoms.

  • Transmission failure or progressive slipping at higher mileage, which can require rebuild or replacement in rare cases; root causes are frequently maintenance-related rather than inherent design flaws.

  • Warning codes or transmission fault messages (check engine light or related alerts) pointing to solenoids, sensors, or the valve body; many issues are repairable without a full teardown.

  • Manual transmissions in Type‑S trims (where applicable) can experience clutch wear or slipping under heavy load; clutch replacement is the typical remedy.


Overall, while issues exist, most Acura TL transmissions provide reliable performance over a long service life when the vehicle receives regular maintenance and timely component replacements as needed.


Maintenance and practical tips


To help extend the life of a TL’s transmission, follow these best practices aligned with Honda/Acura maintenance philosophy:



  • Adhere to the manufacturer’s recommended transmission-fluid service interval and use the approved fluid for your generation (the specific type is listed in the owner’s manual). Regular fluid maintenance is a key factor in longevity.

  • Ensure the correct transmission fluid type is used and avoid aftermarket substitutes that aren’t sanctioned by Honda/Acura engineering; this protects hydraulic control and temperature management inside the transmission.

  • Keep the transmission cooling system in good shape; a healthy radiator and cooler lines help prevent overheating, which dramatically reduces transmission life.

  • Perform pan servicing and, when indicated, internal cleaning or filter-related maintenance by a qualified technician. Avoid aggressive flushes unless advised by a professional, as improper flushing can dislodge debris.

  • Avoid aggressive driving habits, repeated hard launches, and towing beyond the rated capacity, which place extra strain on the torque converter and gearsets.

  • Address any transmission-related warning lights promptly; early diagnostics can prevent further damage.

  • Maintain thorough service records, including recalls and software updates, since some reliability improvements arrive via dealer re-flashes and TCM/ECU updates.


Consistent maintenance and mindful driving are the most effective strategies to keep an Acura TL transmission performing well for many miles.


Used‑car shopping checklist


When evaluating a used TL, use this quick checklist to assess the transmission’s health before buying.



  • Review the maintenance history for regular fluid changes, pan service, and any recall or software updates related to the transmission.

  • Test-drive with a variety of speeds to ensure smooth engagement, and listen for any unusual shudder, slipping, or delayed shifts.

  • Check for warning lights or stored fault codes related to the transmission; ask for a diagnostic printout if codes exist.

  • Have a professional inspection that includes a dedicated transmission diagnostic, especially for higher-mileage examples.

  • Inspect for external leaks around the pan and cooler lines; fluid leaks can indicate gasket wear and may indicate broader issues.

  • Ask about any prior transmission work (torque-converter, valve-body service, or solenoid replacements) to gauge past reliability and ongoing needs.


With careful evaluation, a well‑maintained TL can provide dependable service for many miles, and most transmission-related repairs are within a typical ownership budget.


Summary


The Acura TL generally offers reliable transmissions, supported by Honda/Acura’s engineering standards and a history of durable powertrain components. Most owners enjoy long service life when fluid, cooling, and related transmission maintenance are kept up to date. A subset of models experienced shifting quirks or wear as they aged, so prospective buyers should prioritize documented maintenance history and consider a thorough pre-purchase inspection for used cars. In practice, reliability hinges on consistent care, early addressal of symptoms, and adherence to recommended service schedules.

How many miles will an Acura TL last?


An Acura TL can last for 250,000 to 300,000 miles or more with proper maintenance, though the average lifespan is around 128,000 miles or 9.4 years. Many owners report reaching over 200,000 miles, and some have even surpassed 300,000 or 400,000 miles with diligent care. 
Factors that contribute to longevity

  • Following the maintenance schedule: Regularly performing scheduled maintenance is the most crucial factor for a long-lasting TL. 
  • Addressing issues immediately: Replacing old or damaged parts as soon as they are identified helps prevent larger problems down the road. 
  • Driving habits: Avoiding hard acceleration from a complete stop can reduce strain on the transmission, especially in older, high-mileage vehicles. 
  • Fluid changes: Regularly changing fluids, especially engine oil and transmission fluid, is vital. Some mechanics advise against aggressive transmission flushes on very high-mileage cars, suggesting regular changes instead. 

What to expect
  • Beyond 100,000 miles: The TL is known for being reliable even after reaching 100,000 miles, often continuing to drive smoothly if well-maintained. 
  • Reaching 200,000+ miles: A significant portion of Acura TLs can reach 200,000 miles or more. Some owners have seen their cars hit 300,000 or 400,000 miles. 
  • Potential issues: While the drivetrain is generally solid, some issues like torque converter problems can occur in older vehicles. However, these can often be addressed and the car can continue to run well. 
  • Oil consumption: Older engines may start to consume more oil due to worn piston rings. Frequently monitoring the engine oil level and keeping it topped off is important to prevent damage. 



What kind of transmission is in the Acura TL?


The Acura TL Type-S received the Acura RL's 3.5-liter J35A8 V6 gasoline engine tuned to 286 horsepower (213 kW) and 256 lb-ft of torque with either a 5-speed automatic with F1 style paddle shifters or a 6-speed manual transmission.



What year does the Acura TL have transmission problems?


Transmission Troubles
There's plenty of laudable things about the 1st generation Acura TL. They are comfortable, look stylish, and have good acceleration. However, many of the vehicles built from 1999 to 2003 reportedly have a defective automatic transmission.



What is the most reliable year of Acura TL?


Here are a few of the most reliable years for the Acura TL:

  • 2004 Acura TL.
  • 2009 Acura TL.
  • 2013 Acura TL.


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.