The contact owns a 2018 Ford F-150. The contact stated while driving at various speeds, there was an abnormal sound coming from under the hood. No warning light was illuminated. The vehicle was taken to a local dealer where it was diagnosed that the cam phasers had failed. The cam phasers were replaced under warranty. The contact stated the vehicle was taken to the local dealer on several occasions for cam phaser replacement and the vehicle was left at the dealer during the repairs. The manufacturer was notified of the failure and referred the contact to the NHTSA Hotline for assistance. The failure mileage was approximately 40,000.

- Ruidoso, NM, USA

The contact owns a 2018 Ford F-150. The contact stated there was an abnormal rattling sound coming from the vehicle while cold starting the vehicle. There was no warning light illuminated. The vehicle was taken to a dealer where the vehicle was diagnosed with a defective cam phaser. The vehicle was repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 80,000.

- Corpus Christi, TX, USA

The contact owns a 2018 Ford F-150. The contact stated while driving at an undisclosed speed, the vehicle was idling very rough. The check engine warning light was illuminated. The vehicle was taken to a local dealer where the failure was linked to Customer Satisfaction Program: 21N03 (Cam Phaser Replacement) Engine and Engine Cooling; however, the vehicle was not included. The vehicle was taken to another local dealer where it was repaired. The manufacturer was made aware of the failure and referred contact to the NHTSA Hotline for assistance. The failure mileage was approximately 72,000.

- Chattanooga, TN, USA

The contact owns a 2018 Ford F-150. The contact stated while starting the vehicle, there was an abnormally loud grinding sound coming from under the hood. No warning light was illuminated. The vehicle was previously repaired under Customer Satisfaction Program: 21N03 (Cam Phaser Replacement -?" Extended Warranty); however, the failure reoccurred. The vehicle was taken to a local dealer where it was diagnosed and determined that the camshaft phasers had failed and needed to be replaced. The vehicle was not repaired due to the cost. The manufacturer was made aware of the failure. The failure mileage was approximately 30,000.

- Adams, TN, USA

The contact owns a 2018 Ford F-150. The contact stated while driving at various speeds, there was a knocking sound coming from the engine compartment. The contact stated that the vehicle had stalled several times. The contact believed that the vehicle was leaking oil; however, when the coolant reservoir was inspected, the coolant fluid was low, but no visible leaks were found. The contact stated that the vehicle was experiencing excessive oil consumption. There was no warning light illuminated. The vehicle was taken to a local dealer; however, it has not been repaired. The manufacturer was made aware of the failure and referred the contact to the NHTSA Hotline for assistance. The failure mileage was approximately 125,000.

- Grand Blanc, MI, USA

The contact owns a 2018 Ford F-150. The contact stated that while starting the vehicle, the vehicle t was rattling and vibrating abnormally until the engine had warmed up. The contact stated there was no warning light illuminated. The contact stated the failure was intermittent but had become a recurring failure. The vehicle was taken to a local dealer, where it was diagnosed and determined that the cam phaser needed to be replaced. The vehicle was not repaired. The contact had researched online and related the failure to the manufacturer's Customer Satisfaction Program: 21N03 Cam Phaser replacement (Engine and Engine Cooling). The contact called and informed the manufacturer of the failure and was informed that the vehicle was not included in the Customer Satisfaction Program. The failure mileage was approximately 70,000.

- Wilmington, DE, USA

The contact owns a 2018 Ford F-150. The contact stated that during cold starts, there was a knocking sound coming from the engine compartment. The vehicle was taken to the local dealer who diagnosed that the cam phasers were faulty and needed to be replaced. The vehicle was not yet repaired. The manufacturer and local dealer were notified of the failure, but no assistance was provided. The failure mileage was 42,000.

- Sellersville, PA, USA

The contact owns a 2018 Ford F-150. The contact stated that when the vehicle was started, there was a loud rattling sound coming from the engine compartment. There were no warning lights illuminated. The vehicle was taken to the dealer where it was diagnosed as a failure with the cam phasers. The contact was informed that the cam phasers needed to be replaced. The vehicle was not repaired. The manufacturer was made aware of the failure and referred the contact to the NHSTA Hotline for assistance. The failure mileage was approximately 109,679.

- Sulphur, OK, USA

The contact owns a 2018 Ford F-150. The contact stated while starting the vehicle, the vehicle made an abnormal cracking sound. The vehicle was taken to the dealer, where the contact was informed that the vehicle was operating as designed because the sound was a characteristic of the engine cowling. The contact stated while driving at various speeds, the vehicle lost motive power. The contact was able to pull to the side of the road. The contact was able to restart the vehicle and continued driving. The low oil pressure warning light was illuminated. The vehicle was taken to the dealer, where the cam shafts, the timing belt, the oil pump, and other unknown parts were replaced. Additionally, the contact stated while driving at various speeds, the vehicle experienced unexpected hard downshifts and the rear wheels locked up. The contact stated that the failure occurred intermittently. The contact was able to continue driving. The vehicle was taken to the dealer, where an unknown computer reprogramming was performed; however, the failure persisted. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 50,000.

- Bolivar, TN, USA

The contact owns a 2018 Ford F-150. The contact stated while having a routine oil change performed, the independent mechanic stated that the head gasket was leaking. There were no warning lights illuminated. The vehicle had been taken to the dealer where it was confirmed that the head gasket was leaking due to two detached head gaskets. The vehicle had not been repaired. The manufacturer was made aware of the failure, and it was confirmed that the VIN was not included in a recall or had warranty coverage. The manufacturer referred the contact to the NHTSA Hotline to file a complaint. The failure mileage was 113,000.

- Oskaloosa, IA, USA

The contact owns a 2018 Ford F-150. The contact stated that the vehicle hesitated while starting and the engine made abnormal rattling sounds. No warning light was illuminated. The vehicle was taken to the dealer, where it was determined that the cam phasers needed to be replaced. The vehicle was not repaired. The contact related the failure to Customer Satisfaction Program: 21N03 (Cam Phaser Replacement); however, the vehicle was not included. The manufacturer was not made aware of the failure. The failure mileage was approximately 134,000.

- Olive Branch, MS, USA

The contact owns a 2018 Ford F-150. The contact stated that during cold starts, there was a rattling sound coming from the engine. Additionally, while driving at various speeds, the vehicle hesitated to accelerate while changing gear and the check engine warning light remained illuminated. The vehicle was taken to the local mechanic who diagnosed the vehicle and determined that the cam phasers were faulty and needed to be replaced. The vehicle was not repaired. The local dealer and manufacturer were notified of the failure and informed the contact that the vehicle was not covered under the Manufacturer's Extended Warranty Coverage for the failure. The failure mileage was 85,000.

- Merritt Island, FL, USA

The contact owns a 2018 Ford F-150. The contact stated while driving 70 MPH, the contact became aware of a loud fluttering sound coming from the engine. There were no warning lights illuminated. The vehicle was taken to the dealer where it was diagnosed as a cam phaser failure. The contact was informed that the cam phasers needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure and referred the contact to NHSTA Hotline for assistance. The approximate failure mileage was 119,000.

- Atlanta, GA, USA

The contact owns a 2018 Ford F-150. The contact stated while starting the vehicle, the vehicle made an abnormal rattling sound. The contact stated that the failure had been recurring. The contact related the failure to Ford Campaign Number: 21N03 (Cam Phasers). The vehicle was not diagnosed or repaired by an independent mechanic or dealer. The manufacturer was notified of the failure and a case was opened. The failure mileage was approximately 106,000.

- Upper Marlboro, MD, USA

The contact owns a 2018 Ford F-150. The contact stated that during cold starts, there was an abnormal rumbling sound coming from the engine compartment. The contact stated that after the vehicle had warmed up the rumbling sound stopped. The contact stated there was no warning light illuminated. The contact stated that the abnormal sound had started occurring while driving the vehicle. The contact stated that the failure was more noticeable while slowing for traffic or at a traffic signal. The vehicle was taken to a dealer where it was diagnosed and determined that the cam phasers needed to be replaced. The vehicle was not repaired. The contact stated that the vehicle had previously been repaired under Customer Satisfaction Program: 21N03 - Engine Cam Phaser Replacement (Engine and Engine Cooling). The manufacturer was informed of the failure. The failure mileage was approximately 125,000.

- Ketchum, ID, USA

The contact owns a 2018 Ford F-150. The contact stated that when the vehicle was started, he noticed a loud clanking noise coming from the engine. There was no warning light illuminated. The vehicle was taken to the dealer where it was diagnosed with cam phaser failure. The contact was informed that the cam phasers needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure and referred the contact to the NSHTA Hotline for assistance. The failure mileage was approximately 76,000.

- Pensacola, FL, USA

The contact owns a 2018 Ford F-150. The contact stated that during cold starts, there was an abnormal shuddering sound coming from the engine. The vehicle was taken to the local dealer who diagnosed that the camshaft timing unit was faulty and needed to be replaced. The vehicle was not yet repaired. The manufacturer was notified of the failure, but no assistance was provided. The approximate failure mileage was 58,000.

- Apex, NC, USA

The contact owns a 2018 Ford F-150. The contact stated that upon starting the vehicle, he heard an abnormal rattling sound emanating from the engine compartment. No warning lights were illuminated. The vehicle was not taken to the dealer or an independent mechanic. The vehicle was not repaired. After investigating the failure, the contact related the failure to Customer Satisfaction Program: 21N03. The manufacturer was notified of the failure but referred the contact to the NHTSA Hotline for assistance. The failure mileage was 101,000.

- Green River, WY, USA

The contact owns a 2018 Ford F-150. The contact stated that upon starting the vehicle, there was an abnormal knocking sound coming from the engine. There was no warning light illuminated. The vehicle was taken to the dealer where the vehicle was diagnosed with defective cam phasers. The manufacturer was notified of the failure and referred the contact to the NHTSA Hotline for assistance. Upon investigation, the contact related the failure to Customer Satisfaction Program: 21N03. The vehicle was not repaired. The failure mileage was approximately 75,000.

- Waverly, TN, USA

The contact owns a 2018 Ford F-150. The contact stated there was an abnormal rattling sound coming from the vehicle at a cold start. There was no warning light illuminated. The vehicle was recently taken back to the dealer after the latest failure and the contact was informed that the vehicle was no longer covered under warranty. The contact stated the cam phasers had been replaced four times under warranty. The manufacturer was notified of the failure and the contact was provided a case number. The contact was also referred to the NHTSA Hotline for assistance. The vehicle was not repaired. The failure mileage was 20,422.

- Brighton, CO, USA