Does the Acura ZDX have a timing belt or chain?
It uses a timing chain, not a belt. The Acura ZDX, produced from 2009 to 2013, shares its 3.7-liter V6 engine with other Acura models that rely on a chain-driven timing system.
Engine and timing system overview
The ZDX’s powertrain is the 3.7L V6 (J37A) used across several Acura models, including the MDX. Unlike many older engines that run on a timing belt, this family uses a timing chain, which is designed to last longer and typically does not require scheduled replacement. As with any chain-driven engine, maintenance centers on the chain's tensioners and guides, and any issues are usually addressed if the chain becomes noisy or the engine exhibits performance problems.
Key facts about timing chains on the ZDX are summarized below:
- Timing chain vs belt: The ZDX uses a timing chain, which generally does not require routine replacement the way a belt does.
- Maintenance considerations: Regular oil changes and keeping the engine's oil clean are essential because poor oil can accelerate wear on chain guides and tensioners; service may include inspection of the chain area during major maintenance, and replacement of worn tensioners or guides if needed.
- Signs of trouble: A loud metallic rattle at startup or during idle, decreased performance, misfires, or check-engine codes related to timing can indicate chain or tensioner wear and should be checked promptly.
- Model years and engine specifics: The ZDX (2009–2013) uses the 3.7L V6 (J37A), a chain-driven DOHC i-VTEC design shared with the MDX and other Honda/Acura vehicles.
In short, the Acura ZDX relies on a timing chain rather than a belt, offering longer life with proper maintenance. There is no regular belt-change interval for this engine; address chain wear by servicing tensioners, guides, and oil quality as needed.
Summary
The Acura ZDX uses a timing chain (not a belt) for its 3.7L V6 engine, aligning with other Honda/Acura V6s. With proper maintenance—regular oil changes and attention to any chain noise—the chain is expected to last the life of the engine, with replacement only if tensioners or guides wear out.
