The contact owns a 2021 Ford F-150. The contact stated that while driving at various speeds, a humming and tapping sound was present coming from the rear undercarriage of the vehicle. The vehicle was taken to the local dealer who diagnosed that the underbody insulator was faulty and had caused damage to the driveshaft. The vehic…
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The contact owns a 2021 Ford F-150. The contact stated that while driving at various speeds, a humming and tapping sound was present coming from the rear undercarriage of the vehicle. The vehicle was taken to the local dealer who diagnosed that the underbody insulator was faulty and had caused damage to the driveshaft. The vehicle was not yet repaired. The manufacturer was notified of the failure. The contact indicated that the vehicle was previously inspected under the NHTSA Campaign Number 21V986000 (Power Train, Structure) however, the vehicle experienced a failure after the inspection. The failure mileage was 26,836.
NHTSA ODI #11477091
Mileage unknown · Aug 1, 2022
Power Train
Drivers side rear axle bolt sheared off. Noticed noise coming from rear while driving, removed wheel, bolt head and washer fell to the ground. Bolt head and washer we’re both retained. Local dealerships (albuquerque, NM) do not have the capacity to diagnose the truck for a minimum of two weeks. The structural integrity of the …
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Drivers side rear axle bolt sheared off. Noticed noise coming from rear while driving, removed wheel, bolt head and washer fell to the ground. Bolt head and washer we’re both retained. Local dealerships (albuquerque, NM) do not have the capacity to diagnose the truck for a minimum of two weeks. The structural integrity of the axle and drivetrain are in question.
NHTSA ODI #11477053
Mileage unknown · Jul 29, 2022
Power Train
Broken retaining bolt holding the wheel on the right rear axle. Dealer said too dangerous to drive so they replaced axle. Dealer has old axle and broken bolt. This problem exists in the 2021 F150 Powerboost truck with 9.75 in 3/4 floating axle. Several postings on F150 forum of this happening to others with same truck. Nothing h…
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Broken retaining bolt holding the wheel on the right rear axle. Dealer said too dangerous to drive so they replaced axle. Dealer has old axle and broken bolt. This problem exists in the 2021 F150 Powerboost truck with 9.75 in 3/4 floating axle. Several postings on F150 forum of this happening to others with same truck. Nothing holding rear wheel on except brake caliper if bolt brakes and wheel wobbles loose. When service tech takes wheel off to rotate tires the broken bolt falls on the floor.
NHTSA ODI #11476457
Mileage unknown · Jul 27, 2022
Power TrainWheels
Rear passenger axle bolt sheared off.
NHTSA ODI #11476104
Mileage unknown · Jul 26, 2022
Power Train
When drive train goes into electric drive mode, the vehicle will jump/lurch/bang after stopping like I was hit by another car pretty hard. This will only happen when the engine either goes into hybrid electric mode or engine turns off after a stop in sport and other modes. It will not happen in tow mode where the engine stays …
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When drive train goes into electric drive mode, the vehicle will jump/lurch/bang after stopping like I was hit by another car pretty hard. This will only happen when the engine either goes into hybrid electric mode or engine turns off after a stop in sport and other modes. It will not happen in tow mode where the engine stays on. The issue is the aux pump on the transmission going bad, this was found by dealer and part is on national backorder. Truck can jump a foot forward at red light if foot is not smashing the brake pedal down - seems to be an issue popping up daily on forums from others having issues.
NHTSA ODI #11475862
1,500 miles · Jul 25, 2022
Power Train
The contact owns a 2021 Ford F-150. The contact stated that the gear shifter seized while shifted in park(P) and was unable to shift to the intended gear. Additionally, the gear shifter fractured when the contact forcefully shifted out of the park(P). The contact had been waiting for the vehicle to be towed to the dealer; howeve…
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The contact owns a 2021 Ford F-150. The contact stated that the gear shifter seized while shifted in park(P) and was unable to shift to the intended gear. Additionally, the gear shifter fractured when the contact forcefully shifted out of the park(P). The contact had been waiting for the vehicle to be towed to the dealer; however, the vehicle was not diagnosed nor repaired. The manufacturer was made aware of the failure and was forwarded to roadside assistance. The failure mileage was approximately 1,500.
NHTSA ODI #11475757
Mileage unknown · Jul 21, 2022
Power Train
Truck does not always does not always downshift to a lower gear at a stop and instead remains in 8th gear. This poses a safety risk do to a lack of acceleration and also causes an unanticipated sudden jerk when it does finally does engage in a lower gear.
NHTSA ODI #11475125
Mileage unknown · Jun 16, 2022
Power Train
I took the vehicle in for a tire rotation and oil change at approximately 18,000 miles. The dealer informed me that the passenger side rear axle bolt had sheared off and that the bolt had to be drilled out and replaced. The repair did not solve the problem and now the axle has to be replaced.
NHTSA ODI #11469680
Mileage unknown · Jun 14, 2022
Power Train
Outer axle bolt sheared from passenger front axle assembly. Both passenger and driver axles had to be replaced because of grinding noise and nut/bolt found in center cap of wheel.
NHTSA ODI #11469250
Mileage unknown · May 5, 2022
Power Train
Axel bolt sheared off for rear drivers Axel. Only part holding tire on was break rotor and caliper. The dealer found during a routine oil change/tire rotation. The only symptoms was shifting hard when driving, and slight rattle when driving as the bolt head was caught in the wheel center.
NHTSA ODI #11463557
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