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Does the Acura RLX have a timing belt or chain?

The Acura RLX, a luxury sedan produced by Honda's premium brand, utilizes a timing chain rather than a timing belt in its engine. This design choice provides several benefits in terms of longevity and maintenance requirements for RLX owners.


Timing Belt vs. Timing Chain


The primary difference between a timing belt and a timing chain lies in their construction and lifespan. A timing belt is a rubber-based component that connects the crankshaft and camshaft, ensuring the proper timing of the engine's valves opening and closing. In contrast, a timing chain is a metal chain that serves the same purpose but is generally more durable and longer-lasting than a belt.


Acura RLX Engine Timing System


The Acura RLX is equipped with a 3.5-liter V6 engine that utilizes a timing chain rather than a timing belt. This design choice offers several advantages:



  • Increased Durability: Timing chains are typically more resistant to wear and tear than timing belts, which can stretch or break over time.

  • Longer Lifespan: Timing chains can often last the entire lifetime of the engine, whereas timing belts may need to be replaced every 60,000 to 100,000 miles, depending on the manufacturer's recommendations.

  • Lower Maintenance Costs: Since timing chains do not require periodic replacement, RLX owners can avoid the expense of a timing belt service, which can be a significant cost for some vehicles.


By using a timing chain, the Acura RLX engine design provides owners with a more reliable and low-maintenance powertrain, contributing to the overall quality and ownership experience of this luxury sedan.

Which Acura models have timing chains?


Acura RDX models 2007 to 2012 and 2019 to 2021 use timing chain. On the other hand, Acura RDX models 2013 to 2018 have timing belts. Timing chains are made of metal and are more expensive but they last longer than timing belts or even as long as the vehicle itself.



Which cars have timing chain issues?


Timing chain problems can manifest through several symptoms, including poor engine performance, rough idling, and unusual noises from the engine compartment. In BMW and MINI vehicles, certain models and engine types are particularly susceptible to these issues.



How many miles will an Acura RLX last?


Mileage: The average lifespan of an Acura RLX is around 10 years or 150,000 miles. However, with proper maintenance, these vehicles can last much longer. Condition: Be sure to have a pre-purchase inspection performed by a qualified mechanic to identify any potential problems.



Why does Acura still use timing belts?


Your Acura's timing belt controls its valves and pistons during operation. This reinforced, extra-strong band works seamlessly with the opening and closing of your engine's valves, ensuring that the crankshaft and camshaft are in sync.



Does Acura RLX have a timing belt or chain?


The timing belt connects the engine's camshaft and crankshaft, and ensures that they maintain proper timing to keep the engine running smoothly. When you have it replaced, it might be smart to have related work done to help save on labor.



What year did Acura start using timing chains?


If you own a Honda S2000, a 2003 or newer Honda Accord with a 4-cylinder engine, a 2006 or newer Honda Civic, A 2002 or newer Honda CRV, a Honda Element, a Honda Fit, an Acura RSX, and Acura TSX or a 2007 thru 2012 Acura RDX; then you have an engine that incorporates a timing chain instead of a timing belt.



How long do Acura timing belts last?


seven to ten years
Under normal driving conditions, a timing belt will last for seven to ten years.



Why did Acura stop making the RLX?


2020 was the final model year for the RLX as the market shifted towards SUVs/crossovers. As a result, the TLX became Acura's flagship sedan. Although similar in appearance, the RLX was larger than the TLX.



How do I know if my car has a timing belt or chain?


You can open the bonnet of your car and inspect the engine to find out which your car has. Check to see if there is a plastic cover on the right or left side of your engine, as this will indicate that your car uses a timing belt. If no plastic is visible on the side, then your car uses a timing chain.



Do timing chains last?


Unless your engine has a specific replacement interval, the commonly accepted mileage is between 80,000 and 100,000 miles. However, the timing chain isn't necessarily a maintenance item and can last the engine's life, provided you change the oil regularly and maintain the rest of the engine.


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.