More than 29,000 units left the factory with a front windshield motor that is prone to overheat when in use. In some extreme cases, the motor cover can melt, smoke or even catch fire.
GM was particularly quick in its response, deciding to issue a recall just 12 days after an employee noticed smoke coming through the cabin air system when performing a water leak test. The worker quickly reported the issue through the company’s Speak up for Safety program, implemented in the wake of the ignition-switch crisis.
An investigation found that wiper module supplier Valeo had used a broken tool to manufacture production parts for the affected GM vehicles. The motor cases consequently allow internal terminals to move and create an electrical short.
Valeo has already fixed its broken tool to build replacement motors that are not prone to the same failure.
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