Does the Acura Rl have a timing belt or chain?
The short answer is: it depends on the RL’s engine and model year. Early RL models with the 3.5-liter V6 typically use a timing belt, while later RL models with the 3.7-liter V6 generally use a timing chain.
In this article, we break down the timing system by engine, explain why the difference exists, and outline what it means for maintenance and verification on your specific vehicle.
Engine options and their timing systems
The following summary identifies the RL generations and the timing method commonly associated with each engine. Always verify your exact car's configuration, as revisions and regional specs can vary.
- 2005–2009/2010 RL: 3.5-liter V6 (J35A family) — timing belt
- 2010–2012 RL: 3.7-liter V6 (J37A family) — timing chain
Interpreting the RL’s powertrain history shows two main engine configurations for most generations:
These distinctions reflect the shift Acura made between the earlier, belt-driven 3.5L setup and the later 3.7L setup that adopted a chain-driven timing system. If your RL falls outside these ranges, or has a different regional specification, confirm by checking the engine code or the owner’s manual.
Maintenance implications
Understanding whether your RL has a belt or a chain affects when and how you service the timing system, and what failure symptoms to watch for.
- 3.5L V6 (timing belt): The timing belt typically requires replacement at a specified interval (often around 90,000–105,000 miles, depending on the model year and manual). When the belt is due or worn, the risk of sudden failure increases. It is common to replace the belt along with the water pump and belt tensioners to avoid multiple labor events.
- 3.7L V6 (timing chain): The timing chain is generally designed to last longer and is not replaced on a routine schedule. Maintenance focuses on the.chain tensioner, guides, and related components; failures are less about a mileage interval and more about wear or mechanical issues.
The maintenance implications differ by engine type:
In practice, belt-driven engines require proactive replacement to prevent catastrophic engine damage, while chain-driven engines emphasize monitoring for wear and unusual noises rather than a fixed replacement interval.
How to verify your specific RL configuration
To determine the exact timing system for your Acura RL, use these practical checks:
- Check the engine code badge on the engine block or under the hood; confirm whether you have a 3.5L (J35A) or 3.7L (J37A) engine.
- Consult the owner’s manual or service manual for the recommended timing-system maintenance interval.
- Look for service records: belt replacement records indicate a belt-driven engine; lack of belt-related maintenance reminders with a 3.5L engine is a red flag—confirm with the VIN and build sheet.
Verification steps you can perform or have a technician perform:
When in doubt, contact a dealer or a qualified mechanic, especially if you’re buying a used RL. They can verify the engine code and confirm whether a belt or chain governs the timing system.
Quick reference by generation (summary)
The RL’s timing method generally follows this pattern, with regional or model-year variations possible. If you own or are considering an RL, confirm the engine type to be sure about timing maintenance needs.
In summary, the Acura RL’s timing method is not uniform across all years. Belt in the earlier 3.5L configurations, chain in the later 3.7L configurations. Always verify the engine code and consult the owner's manual or dealer to confirm the exact maintenance requirements for your vehicle.
Summary: The Acura RL can have either a timing belt (older 3.5L V6) or a timing chain (newer 3.7L V6). Belt replacement is a critical maintenance item; chain-based engines generally require less routine timing maintenance. Verify your engine configuration to follow the correct maintenance schedule.
