Investigation context
EA26005 tracks reported post-remedy and later-production failures.
NHTSA’s August 2026 Engineering Analysis is not a recall. These figures show what NHTSA is reviewing, not a promise that any vehicle qualifies for a particular repair or coverage. [3]
499
owner complaints alleging a failure after the recall remedy [3]
473
reported failures after the oil-viscosity remedy [3]
26
reported failures after complete engine replacement [3]
191
reports involving later-production L87 engines [3]
6,953
post-remedy engine-failure complaints GM reported to NHTSA [3]
Monitor the timeline
What the NHTSA reviews are examining.
January 16, 2025
PE25001 opened
NHTSA opened its preliminary evaluation into loss of motive power from L87 engine failure. [9]
April 24, 2025
Recall 25V-274 announced
GM submitted Safety Recall 25V-274 / N252494000 for certain 2021–2024 L87-equipped full-size trucks and SUVs. [1]
October 23, 2025
EA25007 opened
NHTSA opened an engineering analysis after receiving 1,157 L87 bearing-failure reports, including 173 reports outside Recall 25V-274’s scope. [7]
January 16, 2026
RQ26001 opened
NHTSA opened a recall query after 36 owner reports alleged a failure after the recall remedy had been completed. [8]
August 20, 2026
EA26005 opened
NHTSA opened a separate analysis of reported post-remedy failures and later-production L87 engines. It is an investigation, not a new recall. [3]
An NHTSA investigation may lead to additional information or action, but it does not by itself make a vehicle recalled. Continue to confirm the current VIN status with GM or NHTSA. [3] [5]