2009 Acura MDX Engine cooling Problems
- Complaints
- 3about this part
- Share
- 6%of 52 total for the year
- Median mileage
- 3,450miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 3 complaints about the engine cooling of the 2009 Acura MDX, 6% of the 52 complaints for this model year. Where a mileage was given, the median is 3,450 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“My 2009 MDX with 3500+ miles has been taken to dealer 3 times in the last month. Once I had to get it towed to dealership. First time I was told that they was issue with poor quality timing belt pulley. So timing belt got shredded. They had to replace the both. They took almost week to replace it. With in a day, 2009 MDX developed issue. This time there was an issue with catalytic converter. They took another week to replace. Again with in two days, check emission system came up again. This time I was told they would have to replace another catalytic converter and also sub converters. …”
NHTSA complaint #10295242, filed 2009-12, 3,500 milesRelated service bulletins
- 10177598Jun 3, 2020These SKUs are Exhaust Manifolds with Catalytic Converters. The customer communication requested return of unsold inventory due to a loss of CARB certification. These SKUs can no…
Engine cooling: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2020 | 19 | 8% |
| 2019 | 30 | 16% |
| 2018 | 19 | 11% |
| 2017 | 18 | 7% |
| 2016 | 10 | 3% |
| 2013 | 1 | 3% |
| 2012 | 2 | 3% |
| 2011 | 1 | 1% |
| 2009 | 3 | 6% |
| 2008 | 2 | 4% |
| 2007 | 4 | 4% |
| 2006 | 2 | 2% |
| 2005 | 9 | 5% |
| 2004 | 13 | 8% |
| 2003 | 16 | 8% |
| 2002 | 14 | 7% |
| 2001 | 19 | 8% |
Other parts of the 2009 Acura MDX
18 complaintsEngine
8 complaintsTransmission and drivetrain
8 complaintsExterior lighting
6 complaintsVehicle speed control
5 complaintsAir bags
4 complaintsOther or unknown
3 complaintsWheels
3 complaintsLatches, locks and linkages
2 complaintsSeats
2 complaintsSteering
2 complaintsSuspension
2 complaints
← All problems reported for the 2009 Acura MDX
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology