2019 JEEP GRAND CHEROKEE Engine And Engine Cooling Problems

The contact owns a 2019 Jeep Grand Cherokee. The contact stated while driving 40 MPH, the contact heard an abnormally loud knocking sound coming from the engine compartment. The START/STOP warning light was illuminated. The contact stated that while attempting to accelerate, the vehicle stalled. The vehicle was able to be restarted. The vehicle was taken to the dealer, where it was diagnosed and determined that the head gasket had failed, causing coolant intrusion into the engine. The contact was informed that the head gasket needed to be replaced. The vehicle was not repaired. The manufacturer was not made aware of the failure. The approximate failure mileage was 130,000.

The contact owns a 2019 Jeep Grand Cherokee. The contact stated that while driving at 65 MPH, the check engine warning light illuminated. The vehicle was taken to the dealer, where it was determined that the engine was misfiring and there was a minor water pump leak. The dealer changed the drive mode from level 4 to level 2, and the check engine warning light was reset. The dealer advised the contact to take the vehicle back to the dealer later. The vehicle was taken back to the dealer, where it was diagnosed and determined that the spark plugs, the cylinders, the head gasket, and other unknown parts needed to be replaced. The vehicle was not repaired due to the cost. The manufacturer was not notified of the failure. The failure mileage was approximately 97,002.

The contact owns a 2019 Jeep Grand Cherokee. The contact stated while driving at various speeds, the temperature gauge rose to HOT, and the vehicle would hesitate while depressing the accelerator pedal. The contact had taken the vehicle to an independent mechanic where a diagnostic test was performed. The diagnostic result indicated that the O-rings on the bottom of the coolant module were worn and that the oil filter adapter needed to be replaced. The vehicle was then taken to another independent mechanic where coolant intrusion inside cylinder #6 was found. The vehicle was repaired. The manufacturer was not notified of the failure. The failure mileage was 95,600.

The contact owns a 2019 Jeep Grand Cherokee. The contact stated while driving 65 MPH, the vehicle started overheating and the engine overheating light illuminated. The contact was able to pull over and waited for the vehicle to cool down and the vehicle operated normally. The vehicle was taken to the dealer and the mechanic stated that coolant was leaking into the engine and the EGR cooler needed to be replaced. The vehicle was not repaired. The manufacturer was contacted and stated that the VIN was not included in NHTSA Campaign Number: 20V699000 (Engine and Engine Cooling) and referred the contact to the NHTSA Hotline to file a complaint. The failure mileage was 41,115.