Table 1 shows one common engine and engine cooling related problems of the 2021 Lincoln Navigator.
| Problem Category | Number of Problems |
|---|---|
| Engine And Engine Cooling problems |
While driving, the vehicle repeatedly hesitated during gear changes, lost power, and then abruptly jerked back into gear. This occurred intermittently for over a month without any warning messages, creating unpredictable and unsafe driving conditions. As the issue worsened, the vehicle began losing power more frequently. The most serious event occurred at highway speed, where the vehicle suddenly lost propulsion in the middle of active traffic, nearly causing a stall. This created an immediate safety hazard for myself and surrounding drivers. After several seconds, the vehicle violently re-engaged into gear and surged forward. Only at this point did the vehicle display a warning: “powertrain malfunction / reduced power. ” I scanned the vehicle and retrieved dtc p0734 – gear 4 incorrect ratio, a code associated with internal transmission faults. A dealership inspected the vehicle and reported that the cdf drum had failed. They stated they could not guarantee that replacing the drum would resolve all issues and provided two estimates: $5,600 for a partial internal repair/$8,700 for full transmission replacement. The 10r80 transmission has a documented history of failures, including harsh shifting, slipping, unexpected gear disengagement, and internal component defects. These issues are addressed in multiple Ford technical service bulletins involving p0734, harsh/failed shifts, and failures related to the cdf clutch cylinder/drum. Many vehicles of the same make and model are covered under related recalls or service actions for similar problems; however, my VIN is not included, and Lincoln declined to honor the existing recall. This defect presents a serious safety risk due sudden loss of power while driving, including at highway speeds, unpredictable re-engagement and violent surging, loss of propulsion without warning, leading to near-stall conditions. This powertrain malfunction is a known, unsafe, repeat issue among these vehicles equipped w/this transmission.
[xxx] Wednesday we were traveling from charlotte nc headed westbound on [xxx], a 6 or 8 lane highway, speed limit 70+ mph, when our 2021 Lincoln Navigator suddenly lurched and the engine completely failed. There weren't any warnings by the vehicle prior to the incident. There were two of us in the vehicle at the time, and we suddenly found ourselves in a situation of extreme risk. It was 4 - 5 pm during rush hour traffic. The driver was able to maintain composure and our tires continued rotating long enough to coast and cross over 3 fast moving lanes to get us slightly off the side of the highway. It was a very frightening and unsafe situation, not only during but after the engine failure, as we were on a very busy, noisy highway not knowing where we were or what to do. We live in ohio and our plans were scheduled only for 8/25/24 (leave ohio)-8/29/24 (return to ohio). Our Lincoln was towed the night of the engine failure to classic Ford Lincoln in shelby nc, and it's been there for 7 days. The tow driver could not start the engine. He had difficulty (20 minutes trying) getting it into neutral so he could put it on the flatbed. The total engine failure problem isn't yet diagnosed. Classic is the only one to examine it. We had to extend our nc hotel stay for two days waiting for the vehicle to be repaired. On 8/31 we couldn't wait any longer and had to rent a vehicle from enterprise to return home; leaving our Navigator in nc. Lincoln roadside assistance has been very difficult and inattentive to our dire circumstances. We're now faced with a situation of not having our vehicle, not having a diagnosis, and concerns about whether the vehicle will be dependable when/if it's returned to us. We have to travel often and fear Lincoln could leave us in bad circumstances again even if they can find the current problem and repair it. It seems to be something extraordinary or uncommon or a diagnosis would have happened by now. Information redacted pursuant to the freedom of information act (foia),.
The contact owns a 2021 Lincoln Navigator. The contact received notification of NHTSA campaign number: 22v346000 (engine) and 22v250000 (visibility) however, the part to do the recall repairs were unavailable. The local dealer was contacted and it was confirmed that parts were not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The contact had not experienced a failure. VIN tool confirms parts not available.
The contact owns a 2021 Lincoln Navigator. The contact received notification of NHTSA campaign number: 22v346000(engine) however, the part to do the recall repair was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The contact had not experienced a failure. VIN tool confirms parts not available.
The contact owns a 2021 Lincoln Navigator. The contact received notification of NHTSA campaign number: 22v346000 (engine) however, the part to do the recall repair was unavailable. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The contact had not experienced a failure. Parts distribution disconnect.
The contact owns a 2021 Lincoln Navigator. The contact initially received a notification for NHTSA campaign number: 22v346000(engine); however the parts for the repair were unavailable. The dealer was contacted once the she received the notice and was informed that the parts were not available since the cause of the defect had yet to be determined. The contact was then notified that the recall (22v346000) had been separated into two recalls which stated that two different repairs were needed to repair the defect. The contact made an appointment with the dealer for a routine maintenance check; while at the dealer, she was informed that there was still no resolution for the recall. Once the contact picked up her vehicle, she was informed that the recall was serviced. She was informed that the ground wires connected to both the battery and cooling systems were shrink wrapped which she was informed would prevent the under hood fire failure. The contact expressed her concerns with the dealer, noting that the plastic shrink wrapping would melt under a hot engine and would not resolve the recall. The contact made multiple attempts to reach the manufacturer but had no success. The contact had not experienced a failure. VIN tool confirms parts not available.