The Acura MDX uses either a timing belt or a timing chain, depending on the model year and engine type. Generally:
- Older models of the Acura MDX come with a timing belt.
- Newer models, starting from 2014, are equipped with a timing chain.
Here’s a complete breakdown of which Acura MDX models have a timing belt and which have a chain.
Acura MDX Timing Belt or Chain by Year
When Did Acura MDX Switch to a Timing Chain?
- The switch from a timing belt to a timing chain happened with the 2014 model year when Acura introduced the Earth Dreams 3.5L V6 engine (J35Y5).
- From 2014 onwards, all Acura MDX models (including the latest 2022 and newer) use timing chains, which generally last the life of the engine with minimal maintenance.
What’s the Difference Between a Timing Belt and a Timing Chain?
Timing Belt:
- Made of rubber with fiberglass reinforcement.
- Requires regular replacement, usually every 60,000 to 100,000 miles, depending on the vehicle.
- If it breaks, it can cause severe engine damage in an interference engine.
Timing Chain:
- Made of metal and runs inside the engine, lubricated by engine oil.
- Generally lasts the life of the engine but can wear out over time, depending on maintenance.
- Requires less frequent maintenance but needs regular oil changes to keep it in good condition.
Maintenance Recommendations
If You Have a Timing Belt (2001 – 2013 Models):
- Replace the timing belt every 60,000 to 105,000 miles, or every 7 to 10 years, whichever comes first.
- Many mechanics recommend replacing the water pump, tensioners, and idler pulleys at the same time.
If You Have a Timing Chain (2014 and Newer Models):
- No scheduled replacement is necessary.
- Regular oil changes are crucial because poor lubrication can cause premature wear on the timing chain and tensioners.
Conclusion
Whether your Acura MDX has a timing belt or chain depends on the year:
- 2001-2013 MDX models have a timing belt.
- 2014 and newer MDX models come with a timing chain, which requires less maintenance.
Always refer to your owner’s manual or consult a mechanic if you’re unsure about your engine’s maintenance needs.
FAQs
Does a 2013 Acura MDX Have a Timing Belt or Chain?
It has a timing belt. Regular replacement is recommended.
Does a 2014 Acura MDX Have a Timing Chain?
Yes. The 2014 MDX switched to a timing chain with the new 3.5L Earth Dreams V6 engine.
How Long Does an Acura MDX Timing Belt Last?
Typically between 60,000 and 100,000 miles, or 7-10 years.
Do Timing Chains Need to Be Replaced?
Timing chains are designed to last the life of the engine, but lack of maintenance (like irregular oil changes) can shorten their lifespan.
What Happens If I Don’t Replace My Acura MDX Timing Belt?
If the belt breaks in an interference engine, it can lead to severe engine damage, including bent valves and piston damage.
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