At issue is the windshield wiper motor crank arm nut, which may not have been tightened to the specified value at installation. The nut could work loose if the wipers are operated with a buildup of snow and ice on the windshield, or if the wipers are operated on a dry windshield. Should the nut securing the wiper arms in place loosen significantly, the wipers may fail to operate, leading to a loss of visibility and a heightened risk of a crash.
Since repair parts will not be needed, the recall is expected to begin immediately. Owners will be notified via mail, and dealers will inspect the wiper arm crank nut for the proper tension. Owners with questions or concerns can reach Chevrolet’s customer service at (800) 630-2438, while GMC’s customer service can be reached via phone at (866) 996-9463. Owners can also reach GM’s customer service via the internet at www.gmownercenter.com.
The campaign marks the second recall for the 2011 Chevrolet Colorado and GMC Canyon this year. A recall announced last January involved the rear axle cross pins, which may not have been properly heat-treated prior to installation.