The contact owns a 2017 Ford F-150. The contact stated that during start-up, there was an abnormal rattling sound coming from the engine compartment. The rattling sound occurred while attempting to accelerate and the contact discovered that the engine was consuming an excessive amount of oil. While driving approximately 45 MPH, the vehicle started shaking and vibrating violently, with the check engine warning light blinking on and off. The vehicle was taken to the local dealer and was diagnosed and determined that the cam phasers were faulty and needed to be replaced. The manufacturer was notified of the failure, but no assistance was offered. The contact was informed that the vehicle was not covered under an Extended Coverage for cam phaser failure. The failure mileage was 148,000.

- Saint Augustine, FL, USA

The contact owns a 2017 Ford F-150. The contact stated that an abnormal rattling sound came from the engine compartment upon starting the vehicle. The contact stated that after the engine had warmed up, the vehicle returned to normal functionality, but the failure became a regular occurrence. No warning lights were illuminated. The vehicle was taken to an independent mechanic, who diagnosed a failure with the cam phasers. The vehicle was not repaired. 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 and referred the contact to the NHTSA Hotline for assistance. The failure mileage was approximately 35,000.

- Portland, OR, USA

The contact owns a 2017 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 taken to the dealer, who diagnosed a failure with the cam phasers. The vehicle was repaired, but the failure reoccurred 38,050 miles later. After investigating the failure, the contact related the failure to Customer Satisfaction Program 21N03. The manufacturer was notified of the failure, a case was opened, and the contact was referred to the NHTSA hotline for assistance. The failure mileage was 49,950.

- Minneapolis, MN, USA

The contact owns a 2017 Ford F-150. The contact stated that while cold starting the vehicle, there was an abnormal knocking sound coming from the vehicle. The contact stated that the failure had occurred twice. 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. In addition, the contact stated that previously the failure had occurred in 2020 and the cam phasers were replaced under warranty. The contact stated that the same part number was used to complete the repair. The manufacturer was made aware of the failure. The contact was advised to contact the NHTSA Hotline to report the failure. The failure mileage was approximately 119,000.

- Richmond, VA, USA

The contact owns a 2017 Ford F-150. The contact stated that while driving at various speeds, there was an abnormal sound coming from the engine compartment. The contact stated that the failure had gotten progressively worse. The vehicle was taken to the local dealer where it was diagnosed that the cam phasers and differential had failed and needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure. The approximate failure mileage was 66,000.

- El Dorado Hills, CA, USA

The contact owns a 2017 Ford F-150. The contact stated that upon starting the vehicle, there was an abnormal sound coming from the engine compartment. No warning lights were illuminated. The vehicle was not diagnosed; however, the dealer was informed of the failure by phone. The contact stated that the issue persisted, and the sound became louder; however, the vehicle was not diagnosed or repaired by an independent mechanic or the dealer. The contact researched online and discovered that the failure was related to two phasers in the Eco boost engine. The manufacturer was notified of the failure; however, no assistance was offered. The contact stated that Ford did provide a Customer Service Program: 21N03; and informed the contact to call the NHTSA Hotline to report the failure. The approximate failure mileage was 86,000.

- Ripley, TN, USA

The contact owns a 2017 Ford F-150. The contact stated that the vehicle made an abnormal rattling sound on cold starts. The dealer was notified of the failure and informed the contact that the failure was related to Ford Campaign Number: 21N03. The vehicle was not diagnosed or repaired. The contact stated that the cam phaser was previously replaced under an Extended Warranty coverage; however, the failure persisted. The manufacturer was notified of the failure and referred the contact to the NHTSA Hotline for assistance. The failure mileage was approximately 35,000.

- West Lafayette, IN, USA

The contact owns a 2017 Ford F-150. The contact stated while cold starting the vehicle, the vehicle was idling roughly, and the entire vehicle was vibrating. The contact was not aware of any warning lights being illuminated. The contact had taken the vehicle to a local dealer, where it was diagnosed and determined that the cam phasers needed to be replaced. The vehicle was repaired. The contact stated that the failure reoccurred two more times and the dealer replaced the cam phasers. The contact stated that the failure had reoccurred but was advised by the dealer that the vehicle was no longer under warranty. The manufacturer was informed of the failure. The contact researched online and related the failure to Customer Satisfaction Program: 21N03 Cam Phaser replacement (Engine and Engine Cooling). The failure mileage was approximately 83,000.

- Cheyenne, WY, USA

The contact owns a 2017 Ford F-150. The contact stated that there was a significant oil leak underneath the vehicle. The contact stated that there was an abnormal amount of white smoke coming from the exhaust pipe while the vehicle was started and running. The vehicle was taken to the dealer where it was determined that the oil pan was leaking and needed to be replaced. The oil pan was replaced; however, the failure had persisted. The oil pan had been replaced three times however, the failure persisted. The contact became aware of Technical Service Bulletin: 23/2083, NHTSA ID Number: 10233594 (Engine and Engine Cooling) and related the failure to the TSB. The manufacturer was made aware of the failure. The manufacturer confirmed the vehicle was not covered under the Technical Service Bulletin nor under warranty. The manufacturer referred the contact to the NHTSA Hotline to report the failure. The failure mileage was unknown.

- Lithia, FL, USA

The contact owns a 2017 Ford F-150. The contact stated that when the vehicle was started, there was a loud rattling sound coming from the engine compartment. Additionally, the contact stated that on several occasions while driving at various speeds, the transmission failed to operate properly. The vehicle was taken to a dealer where it was diagnosed that the cam phasers needed to be replaced. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was 63,000.

- Independence, KY, USA

The contact's boyfriend owns a 2017 Ford F-150. The contact stated that while driving, there was an abnormal rattling sound coming from the vehicle. There were no warning lights illuminated. The vehicle was taken to the local dealer, where it was diagnosed that the turbo needed to be replaced. The vehicle was repaired, but the failure recurred. The vehicle was taken to the local dealer again, where it was diagnosed that the cam phaser needed to be replaced. The vehicle was repaired, but the failure recurred. While driving 75 MPH, the vehicle lost motive power and shutoff. The vehicle was towed to the local dealer, where it was diagnosed that the spark plugs needed to be replaced. The vehicle was repaired, but the failure persisted. The manufacturer was not contacted. The failure mileage was approximately 83,000.

- San Jose, CA, USA

The contact owns a 2017 Ford F-150. The contact stated that while cold starting the vehicle, the vehicle made an abnormal knocking sound coming from the engine compartment and the vehicle was idling roughly. The contact stated that the check engine warning light was illuminated. The contact stated that once the vehicle had warmed up, the vehicle operated normally. The contact had taken the vehicle to a local dealer. The vehicle was diagnosed, and it was determined that the cam phasers needed to be replaced. The vehicle was not repaired. The dealer informed the contact of Manufacturer Recall Campaign Number: 21N03 (Engine and Engine Cooling) however, the vehicle was not included. The manufacturer was made aware of the failure. The failure mileage was approximately 68,000.

- Xenia, OH, USA

The contact owns a 2017 Ford F-150. The contact stated while starting the vehicle, the vehicle made an abnormal rattling sound. An independent mechanic diagnosed the vehicle at the residence and determined that the cam phaser needed to be replaced. The contact related the failure to Ford Campaign Number: 21N03 (Engine Cam Phaser Replacement) Engine and Engine Cooling. The dealer was not notified of the failure. The vehicle was not repaired. The manufacturer was notified of the failure and referred the contact to the NHTSA Hotline for assistance. The failure mileage was approximately 150,000.

- Harrah, OK, USA

The contact owns a 2017 Ford F-150. The contact stated that when the vehicle was started, the valve sensors were abnormally loud. The vehicle was taken to the dealer where it was diagnosed with failed cam phaser sensors. The contact was informed that the cam phaser sensors needed to be replaced. The vehicle was not repaired. The manufacturer was made aware of the failure. The contact was advised to contact the NHTSA Hotline to report the failure. The failure mileage was approximately 75,000.

- Palm Bay, FL, USA

The contact owns a 2017 Ford F-150. The contact stated while starting the vehicle, the vehicle made an abnormally loud rattling sound. The contact stated that the failure had been recurring. The check engine warning light was illuminated. The vehicle was taken to the dealer, where it was diagnosed with camshaft phasers failure. The vehicle was not repaired. The contact related the failure to Ford Campaign Number: 21N03. The manufacturer was notified of the failure and referred the contact to the NHTSA Hotline for assistance. The failure mileage was approximately 53,000.

- Kalamazoo, MI, USA

The contact owns a 2017 Ford F-150. The contact stated while driving 70 MPH, the vehicle lost motive power. The check engine warning light was illuminated. The contact was able to pull over to the side of the road. The vehicle failed to restart and was towed to an independent mechanic, where it diagnosed that the timing chain and cam phasers had failed and needed to be replaced. The vehicle was not repaired. The dealer was not notified of the failure. The manufacturer was notified of the failure, but no assistance was provided. The failure mileage was approximately 110,000.

- Collierville, TN, USA

The contact owns a 2017 Ford F-150. The contact stated that upon starting the vehicle, there was an abnormal rattling sound coming from the engine compartment. Once the engine had warmed up, the rattling sound dissipated, and the vehicle returned to normal functionality; however, the failure became a regular occurrence. No warning lights were illuminated. The vehicle was taken to an independent mechanic, who diagnosed a failure with the cam phasers. The vehicle was repaired, but the failure reoccurred. After investigating the failure, the contact related the failure to Customer Satisfaction Program: 21N03. The manufacturer was notified of the failure, a case was opened, and the contact was referred to the NHTSA Hotline for assistance. The failure mileage was 42,000.

- Twin Lakes, WI, USA

The contact owns a 2017 Ford F-150. The contact stated that while starting the vehicle, the engine made ticking and rattling sounds. No warning light was illuminated. The vehicle was taken to an independent mechanic and the dealer, where it was diagnosed with a cam phaser and camshaft timing unit failure. The dealer replaced the cam phaser and gasket. The contact related the failure to Technical Service Bulletin: 23-2143 (Cold Start Ticking/Tapping/Rattle with Possible No Restart During Auto-Start-Stop Operation); however, the vehicle was not covered under the TSB. The manufacturer was made aware of the failure and a case was opened. The contact was advised to file a complaint with the NHTSA Hotline. The failure mileage was approximately 67,000.

- Charlotte, NC, USA

The contact's son owns a 2017 Ford F-150. The contact stated that whenever her son started the vehicle, there was an abnormal sound coming from under the hood. There was no warning light illuminated. The contact stated that prior to the issue, the vehicle had a coolant leak in an unknown location. The vehicle was taken to an independent mechanic where it was diagnosed that the cam phaser failed and needed to be replaced. The vehicle was not repaired. The contact referenced Ford Campaign Number: 21N03. The manufacturer was notified of the failure and referred the contact to the NHTSA Hotline for assistance. The failure mileage was approximately 77,000.

- Lincolnton, NC, USA

The contact owns a 2017 Ford F-150. The contact stated that at cold starts, there was an abnormal rattling sound coming from the engine with the check engine warning light illuminated on the instrument panel. The contact stated that the vehicle intermittently shut off while idling soon after the vehicle was started. Upon investigation, the contact linked the failure to the cam phasers. Neither the dealer nor the manufacturer was notified of the failure. The vehicle was not repaired or diagnosed. The failure mileage was approximately 135,000.

- Birmingham, AL, USA