According to a Monday disclosure by plant suppliers and union sources at General Motors' (GM) Chevrolet Volt-manufacturing Michigan assembly plant, the facility will be idled by the automaker for nearly a month, from mid-September to mid-October.

Revealing that the production at the Detroit-Hamtramck plant will be suspended from September 17 till October 15, the plant suppliers and union sources said that the 1,500 union workers at the facility had been informed by the UAW leaders about the scheduled production downtime.

The forthcoming production halt at the Detroit-Hamtramck plant will mark the second downtime at the facility this year; thereby implying yet another interruption in the production of GM's famous Chevrolet Volt extended-range electric car.

With published reports speculating that the Detroit-Hamtramck facility is being idled by GM because of slow sales of the Volts, the manufacturer rebuffed the claims saying that the 10,666 Volt units which the company sold through July was notably higher than the 2,870 Volts sold during the same period last year.

Noting that GM was "not idling the plant due to poor Volt sales," Chevrolet spokesman David Darovitz said via an email that the plant was being idled because the company was "gearing up for production of the new Impala" --- the completely overhauled 2014 model, which is extremely important for Chevrolet.

Further adding that GM was "comfortable with our current inventory levels" of Volts, Darovitz said that the downtime at the Detroit-Hamtramck plant will allow the company to "take time for launch readiness of the Impala."