The problem: Affected vehicles may exhibit a chatter or rattle noise coming from the engine at cold startup. The noise may be due to a slack timing chain hitting the inside of the timing chain case. This happens because of a faulty timing chain tensioner allowing too much chain slack, which in turn, allows the chain to hit the inside of the case.
Vehicles affected by this service campaign:
* 2014 Kia Cadenza * 2015 Kia Cadenza * 2016 Kia Cadenza
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Corrective action: Dealers will diagnose the condition, and if confirmed, replace the timing chain tensioner.
Warranty info: This service campaign is being performed free of charge under the Kia new car, powertrain or extended warranty, whichever applies.
What owners should do: Call your local dealer with your vehicle’s identification number to determine if your vehicle is involved in this service campaign. You can call Kia at 800-333-4542, you can also call the NHTSA hotline at 888-327-4236. Reference TSB No. ENG148R1.
Need to find a dealer for service? Go to Cars.com Service & Repair [MF2]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.