Michigan Jeep plant temporarily shuts down over aluminum shortage

An aluminum shortage has forced a Michigan plant that produces some Jeep vehicles, including its flagship luxury SUV, to temporarily halt production for several weeks.

A source from the United Auto Workers (UAW) told FOX Business that the shift at the Warren Truck Assembly plant in Michigan is on pause due to an issue with the aluminum supply chain. The source said that the production stoppage affects the production of Jeep Wagoneer and Grand Wagoneer.

The UAW is a labor union that represents the Big Three automakers — General Motors, Ford, and Stellantis, the parent company of Jeep.

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Stellantis told FOX Business that due to a parts shortage, the plant has been temporarily shut down beginning the week of Oct. 13, and will be idle for three weeks. Production is expected to resume on November 3.

This comes on the heels of Ford temporarily cutting off Production on specific vehicles At a truck plant in Kentucky. Ford has halted production of its three-row SUVs, the Expedition and Lincoln Navigator, at its Kentucky truck plant for the same reason: a lack of aluminum supplies. That’s according to a memo from the United Auto Workers obtained by The Wall Street Journal.

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The two production problems came in the wake of a fire at the Novelis factory in Oswego, New York. Novelis, a major supplier of aluminum used in the automobile industry, suspended production in September after a fire broke out at the plant. The company previously told FOX Business it would not return to work until the first quarter of fiscal 2026 as it works to restore the hot mill at the Oswego facility.

Jeep Grand Wagoneer 2025. Jeep is owned by Stellantis. (Stellantis)

The fire started around 10 a.m. on Sept. 16, and only affected one area of ​​the plant, according to a Novelis spokesperson. However, it will remain offline for several months, affecting the production of aluminum sheets used by US automakers, including Ford. The factory saves about 40% of the aluminum sheets it uses industry, According to reports.

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Ford previously told FOX Business that it is working closely with Novelis, one of its many aluminum suppliers, to address the situation.

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“An entire team is dedicated to addressing the situation and exploring all possible alternatives to minimize any potential disruptions,” the automaker said.