GM Supplier Strike Threatens Pickup Plant Shutdown Within Weeks

General Motors Co. could be forced to halt output at a Michigan truck plant later this month after union workers at axle supplier Dauch Corp. walked off the job in a labor dispute.

The automaker has enough of the parts on hand to last about two weeks, a spokesman said in an interview. GM is closely monitoring the situation.

About 1,000 workers went on strike at midnight at a Dauch factory in Three Rivers, Michigan, which supplies axles to GM’s pickup truck plant in Flint. The workers are demanding wage increases from the current level, which tops out at $22 ...