2020 Nissan Altima: engine failure

Filed Oct 19, 2026 · Engine · OK

SUBJECT: Improper Recall Remedy Denial – the federal safety agency Recall #25V437000 (Nissan R25A8/R25A9) Vehicle: 2020 Nissan Altima 2.0L VC-Turbo Mileage at Failure: 147,540 Incident Description: The vehicle experienced a sudden catastrophic engine failure resulting in a permanent no-start condition. The vehicle had been parked normally and completely failed to start the following morning. An independent certified mechanic inspected the vehicle and confirmed substantial metal shavings and bearing debris in the oil pan. The vehicle was towed to an authorized Nissan dealership service department for remedy under open the federal safety agency Campaign #25V437000. The dealership dropped the oil pan, re-confirmed the presence of metal bearing debris, and initially acknowledged this triggered an engine replacement under the recall. The claim was submitted to Nissan corporate warranty/Powertrain Call Center (PCC). Basis of Complaint (Recall Non-Compliance): Nissan North America and the dealership have officially declined the zero-cost recall remedy mandated by federal law, demanding nearly $10,000 for an engine replacement. Nissan claims the engine failed due to "loss of compression" rather than bearing breakdown. This claim is mechanically flawed: 1. In the KR20DDET VC-Turbo multi-link architecture, lower-link and crankshaft bearing degradation directly disrupts piston stroke geometry, scores cylinder walls, and causes severe loss of compression and eventual no-start. 2. The documented metal debris in the oil pan meets the exact diagnostic trigger in Nissan's recall bulletin for a full engine replacement. 3. Nissan has provided no diagnostic evidence showing an alternate source for the metal shavings in the pan. Nissan is evading its legal obligation under 49 U.S.C. § 30120 to remedy a known safety defect without charge. I request immediate ODI intervention regarding recall non-compliance.

Filed Aug 13, 2026 · Engine · GA

The contact owns a 2020 Nissan Altima. The contact stated that while driving at an undisclosed speed, the message "Engine Malfunction" was displayed. Additionally, the vehicle experienced excessive coolant consumption and the engine overheated. The vehicle was taken to an independent mechanic, where the thermostat was replaced; however, the failure recurred and worsened. The vehicle was returned to an independent mechanic, where it was diagnosed with a cooling system and head gasket failure. The dealer was contacted and provided with the diagnostic trouble codes, and the dealer recommended an engine replacement. The vehicle was not repaired and remained parked at the residence for two months. The manufacturer was not notified of the failure. The failure mileage was unknown.

Filed Jan 7, 2026 · Engine · MA

I received a Recall # R25B1 for my Nissan Altima 2020. I visited my local Nissan Dealer in Chelmsford, MA, on December 30, 2025. They explained that they saw an issue and that I would need a new engine. There are 32,000 miles on this vehicle. They began the process but were then told by Nissan Corporate that it did not meet the requirements of the recall, and they would not be replacing it. I am in the process of heading on a long driving trip and am very concerned with how this was handled. Nissan Customer Relations explained it wasn't covered under warranty, which has nothing to do with a recall. I am very frustrated and disappointed in Nissan. The mechanics at Nissan in Chelmsford took photos and sent them to Nissan, and they still denied it. With the car only having 32000 miles on it, it was probably if anything at the beginning of the failure. Please advise on going forward.

Filed Dec 26, 2025 · Engine · GA

Need a new engine / gasket confirmed by pep boys. Been at the dealership a lot more than usual lately and they kept telling me everything is fine with my vehicle

Filed Nov 24, 2025 · Engine · NC

I am writing to request immediate assistance regarding the recall inspection for my 2020 Nissan Altima Platinum. Last week I received a letter notifying me of an open recall and instructing me to have my vehicle inspected. I brought my car to my local Nissan dealership on Saturday. During the inspection, I was told that metal debris was found in the engine and that the vehicle would need a full engine replacement. I was asked to leave the car at the dealership and was told I would receive a loaner vehicle on Monday. After waiting all day today for an update, I was informed that Nissan declined the engine replacement because the debris found did not “qualify” under the recall. I was told the dealership would clear the debris out of the engine and that I could pick up the car tomorrow. I am very concerned about this decision. Metal debris inside an engine—especially during an active recall related to engine failure—raises serious safety and reliability issues. Simply clearing out the debris does not address the root cause or provide confidence that the vehicle is safe to drive. This matter is urgent, as I must drive more than 1,000 miles soon to take my medically complex daughter to a children’s hospital. I need to trust that my vehicle is safe for long-distance travel. I am requesting a prompt review of my case and a second evaluation to determine whether an engine replacement or another appropriate remedy is necessary to ensure my vehicle’s safety.

Filed Sep 1, 2025 · Engine · MO

I’ve received notice that my car is subject to engine failure. I’m afraid to drive it and I need this issue fixed ASAP. What should I do?

Filed Jul 16, 2025 · Engine · LA

I am the owner of a 2020 Nissan Altima (VIN: [XXX] ), and I am reaching out to formally report a serious, ongoing issue with the vehicle’s engine performance. I have paid out of pocket for repairs, yet the issue persists, resulting in continuous inconvenience, emotional distress, missed work, and significant financial strain. After researching, I believed my vehicle might have been subject to a recent recall due to widespread reports of engine failure and related concerns in this model. However, the dealership denied any open recalls related to my VIN. The conflicting information, combined with the unresolved mechanical failure, has caused immense frustration. I am requesting a full review of this matter, including whether this issue qualifies under any known recalls, customer service campaigns, or warranty extensions. I am prepared to escalate this issue legally if necessary. Please acknowledge this complaint and inform me of next steps. Sincerely, [XXX] [XXX] [XXX] [XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Filed Jun 1, 2024 · Engine, Transmission · NC

Engine failed prematurly with less than 40k miles. All service was completed in a timely fashion. Nissan is taking a long time to get back to me with what next steps are. They are still investigating after 10 days. Pls help.