# NHTSA investigation into General Motors' 6.2L V8 engine > On November 1, 2026, the NHTSA required General Motors to submit all failure records for its 6.2L V8 engine before November 13, as part of its investigation. The following day, the agency granted GM an additional deadline to provide documents relating to the 6.2L L87 V8 engine. The investigation continues. **In brief**: Ongoing story bringing together 2 events involving General Motors, Chevrolet and GMC, in États-Unis, followed from 1 November 2026 to 2 November 2026. 3 articles from 1 source (recalls and safety); last updated on 2 November 2026 at 23:15. - Status: ongoing - Scope: National (United States) - Category: Recalls and safety - Countries: États-Unis - Brands: General Motors, Chevrolet, GMC - First detected: 1 November 2026 at 18:52 - Updated: 2 November 2026 at 23:15 - Web page: https://mecapress.com/stories/147-nhtsa-investigation-into-general-motors-6-2l-v8-engine ## Sources by country and language - United States: 3 articles, 3 outlets **Languages**: English (3) ## Timeline (2 events) ### 1 November 2026 — [NHTSA demands all GM failure records for the 6.2L V8 before November 13](https://mecapress.com/events/1613-nhtsa-demands-all-gm-failure-records-for-the-6-2l-v8-before-november-13.md) The US highway safety agency has asked General Motors to submit all records of failures related to its 6.2L V8 engine before November 13, as part of its investigation. 1 sources, 2 articles · États-Unis ### 2 November 2026 — [NHTSA grants GM additional time in L87 engine investigation](https://mecapress.com/events/2667-nhtsa-grants-gm-additional-time-in-l87-engine-investigation.md) General Motors has obtained an extension of the deadline set by the NHTSA to provide documents related to failures of the 6.2L V8 L87 engine. 1 sources, 1 articles · États-Unis --- Cite as: Mecapress, “NHTSA investigation into General Motors' 6.2L V8 engine”, https://mecapress.com/stories/147-nhtsa-investigation-into-general-motors-6-2l-v8-engine Methodology: https://mecapress.com/methodology