GM Missouri assembly plant lays off most employees for three weeks due to parts availability

Published on September 30, 2025

The General Motors assembly plant in Wentzville, Missouri, began a three-week layoff on Monday due to parts availability, according to a notice signed by the plant’s executive director and UAW Local 2250 chairman.

The layoff is effective through Oct. 19, and affects the majority of the plant’s team on all three shifts. However, the notice states that skilled trades, stamping, body shop, and final process employees, as well as those who support these groups, may have work available during the layoff period.

The Detroit Free Press reports that about 3,800 employees are impacted. According to GM’s website, the Chevrolet Colorado, Chevrolet Express, GMC Canyon, and GMC Savana are assembled at the Wentzville Assembly.

“We appreciate your understanding and flexibility as we work through this issue,” the notice states. “Thank you in advance for your continued support.”

A GM spokesperson told the St. Louis Post-Dispatch that the company has “temporarily adjusted production schedules at Wentzville Assembly to address supply chain issues and align with overall business needs.”

The article notes that the Wentzville Assembly shut down multiple times in 2021 due to a worldwide semiconductor shortage, and was affected in 2023 when workers, along with many nationwide, went on strike.

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Featured image: Chevrolet Colorado 2025 lineup (Provided by Chevrolet/GM)