The problem: The engine may shudder under acceleration, or it may feel as if the vehicle is driving over rumble strips on a smooth roadway. This could be due to faulty design of the exhaust valves that causes carbon buildup on the valve stems.
Vehicles affected by service bulletin:
- 2014 Ram 1500*
- 2014 Jeep Grand Cherokee
*Equipped with 3.0-liter turbo-diesel V-6
Corrective action: Dealers will replace both cylinder heads.
Warranty info: This service is being performed free of charge under Dodge's 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 it's involved in this service bulletin. You can call Dodge at 800-423-6343, Jeep at 877-426-5337 or the National Highway Traffic Safety Administration at 888-327-4236. Reference TSB No. 09-006-15A.
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.
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