A grievance filed by Unifor against Nemak over the closure of the plant in Windsor has been dismissed by an arbitrator.
Norm Jesin wrote in his decision that the evidence provided by the union did not establish that Nemak violated their agreement.
Nemak announced in July that it would be closing the Windsor plant in the middle of 2020 due to a drop in volumes. Unifor leaders believed this broke the terms of their collective agreement that stipulated employees would take a wage freeze in order to secure a contract to keep the plant open until 2022.
In his decision, Jesin wrote that both parties operated in "good faith" when they entered into the collective agreement.
"Unfortunately, through no fault of any of the parties the contract did not deliver the amount of work expected," wrote Jesin.
In a news release issued Friday, Nemak stated it will continue operations as usual at this time and will work with Unifor leadership to support employees. A plant closure date will be announced soon.
The plant employs around 270 people.