When to replace timing belt on 2017 Acura MDX?
The timing belt on the 2017 Acura MDX is typically replaced around 105,000 miles or 7 years, whichever comes first. Replacing it with related parts such as the water pump and tensioners is common to prevent future labor and engine damage. Always confirm the exact schedule with your owner’s manual or a trusted Acura dealer, as conditions and maintenance history can affect the recommended timing.
Overview of the 2017 MDX timing belt
The 2017 MDX uses a timing belt driven by its 3.5L V6 engine. It is an interference design, meaning a belt failure can cause piston–valve contact and serious engine damage. Regular replacement at the recommended interval helps prevent costly repairs. While 105,000 miles (7 years) is a common target, always check the official schedule in your owner’s manual or with an Acura service advisor, because individual vehicles and driving habits can alter the timing.
Replacement interval and what’s included
Here are the key intervals and components typically involved in a timing belt service for the MDX.
- Replacement interval: about 105,000 miles or 7 years, whichever comes first.
- What’s included in a belt service: timing belt, tensioner, and idler pulleys; the water pump is commonly replaced at the same time.
- Severe-service considerations: drivers who do a lot of short trips, operate in extreme temperatures, or tow/load heavy loads may need an earlier replacement; consult your manual or dealer for guidance.
- Additional service considerations: many shops also replace the thermostat and drain/refill the coolant as part of the belt package to optimize cooling and belt life.
In short, plan for a belt replacement around the 105,000-mile mark and consider pairing it with a water pump, thermostat, and coolant service for preventative maintenance.
Warning signs the belt or components may need service
Be aware of symptoms that can indicate belt wear or related component issues so you can schedule service before a failure occurs.
- Cracked, frayed, or glazed belt surface on inspection.
- Noise from the front of the engine, such as squealing, chirping, or grinding, coming from the belt area (often from a worn tensioner or pulley).
- Engine misfire, rough idle, or loss of power that may indicate timing issues.
- Check Engine or timing-related diagnostic trouble codes (DTCs) appearing on the dashboard.
- Coolant leaks near the water pump or a pump weep hole indicating a failing water pump or seal.
If you notice any of these signs, do not continue driving long distances; have the vehicle inspected promptly to avoid potential catastrophic engine damage.
What to expect during service and maintenance tips
Timely timing belt replacement is a specialized job that requires proper tools and torque specs. A typical service workflow includes removing the old belt, inspecting and possibly replacing the tensioner and idlers, installing a new belt (and often a new water pump), and refilling coolant while checking for leaks. For most MDX owners, recommending to replace the water pump, thermostat, and coolant along with the belt adds preventive value and reduces future labor costs.
DIY timing belt work on the MDX is not recommended for most hobbyists due to the precision required in timing alignment and the potential for engine damage if a mistake is made. A qualified technician with up-to-date service information should perform the job. When budgeting, factor in parts for the belt kit, tensioners/idlers, water pump, thermostat, coolant, and potential additional seals or gaskets.
Summary
For the 2017 Acura MDX, plan a timing belt replacement at about 105,000 miles or 7 years, whichever comes first, and consider replacing the water pump and related cooling components at the same time. Be alert for signs of belt wear or timing issues, and consult your owner’s manual or a dealer for the exact schedule based on your vehicle’s history and driving conditions. Regular, proactive maintenance helps prevent catastrophic engine damage and keeps the MDX running reliably.
When should the timing belt be replaced on a 2017 Acura MDX?
While there's no telling exactly how long a timing belt should last, many automotive experts suggest getting a new timing belt installed after around every 60,000 to 100,000 miles. You can also refer to your vehicle owner's manual for any suggestions of when to seek out Acura timing belt replacements.
Does a 2017 MDX have a timing belt or chain?
The 2017 Acura MDX has a timing belt. Unlike models with a timing chain that can last longer, the 2017 MDX's timing belt requires replacement at recommended intervals, typically around 60,000 to 100,000 miles, according to this Fresno Acura article and this AutoNation Acura Hunt Valley article. Regular replacement is critical to avoid severe engine damage if the belt breaks.
- Timing Belt: The 2017 Acura MDX uses a timing belt for its V6 engine.
- Replacement Interval: Acura recommends replacing the timing belt, often at the 60,000 or 100,000-mile service, though you should always check your owner's manual for the exact interval.
- Importance: If the timing belt breaks, it can cause catastrophic engine damage to components like the valves and pistons.
- Alternative: Some newer Acura models with 4-cylinder engines use a timing chain, which does not require replacement unless there is a mechanical issue.
How long does a MDX timing belt last?
seven to ten years
The Timing Belt Replacement Process
Under normal driving conditions, a timing belt will last for seven to ten years. The replacement process will take between three and six hours to complete, but you'll only have to replace the belt once or twice over the lifetime of your Acura.
How much does it cost to replace a timing belt on a 2017 Acura MDX?
The estimated cost to replace the timing belt on a 2017 Acura MDX is approximately $1,359 to $1,700, though the exact price can vary by shop and location. The replacement is a significant repair, but it's necessary for engine health and should be performed around every 60,000 to 100,000 miles or every 7-10 years, depending on driving conditions.
This video explains the symptoms of a bad timing belt or timing chain: 55sEasyAutoFixYouTube · Aug 24, 2022
Cost breakdown
- Estimated range: The typical cost is between $1,359 and $1,700.
- Specific estimates: Some estimates suggest a lower end around $1,555.74 for a 2017 MDX.
- Factors that influence cost: The final price depends on the specific shop or dealer you choose, as well as your location.
Why and when to replace it
- Interval: Experts recommend replacement every 60,000 to 100,000 miles, or approximately 7 to 10 years.
- Consequences of not replacing: If the timing belt breaks, it can cause severe internal engine damage, such as bent valves.
- Timing chain vs. timing belt: The 2017 MDX uses a timing belt, which requires periodic replacement, unlike a timing chain that is designed to last the life of the engine.
