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2014-2016 Acura Engine Noise Issue

16 Acura RLX Sport Hybrid; Cars.com image by Evan Sears


The problem: A chirping noise may emanate from the engine compartment while it's running. This may be due to too little clearance between the timing belt and the back edge of the crankshaft pulley.

Vehicles affected by service bulletin:

  • 2014 Acura MDX
  • 2015 Acura MDX
  • 2016 Acura MDX
  • 2014 Acura RLX
  • 2015 Acura RLX
  • 2014 Acura RLX Sport Hybrid
  • 2016 Acura RLX Sport Hybrid
  • 2015 Acura TLX

See More Service Bulletins

Corrective action: Dealers will install a pulley shim to increase the clearance between the crankshaft pulley and the timing belt.

Warranty info: This service is being performed free of charge under Acura's new-car warranty.

What owners should do: Call your local dealer with your vehicle's identification number to determine if it's involved in this service bulletin. You can call Acura at 800-382-2238 or the National Highway Traffic Safety Administration at 888-327-4236. Reference TSB No. 14-025.

Need to find a dealer for service? Go to Cars.com Service & Repair to find a local dealer.

Editor's note: This is only one of dozens of service bulletins issued each month by automakers. Please check your automaker's website to see if your vehicle has any service bulletins pending.

Check for recalls here on Cars.com.