Chevrolet Silverado Truck Vibration

2015 Chevrolet Silverado trucks have a vibration problem.  The trucks are 6-cylinders, and some suggest a feature called “active fuel management” caused the engine to run erratically on 4 cylinders to achieve  fuel efficiency.    GM has issued service bulletins on the subject, including “PI1354C: Information on Vibration Analysis and Diagnostic” and PIP5228A.  We have set forth reports filed with the... Continue Reading →

Chevrolet Impala and Cadillac XTS Brake Problems

In 2014 General Motors recalled 221,558 Cadillac XTS and Chevrolet Impala vehicles.  The recall is over a defect in the parking brake - the parking brake indicator may not illuminate causing owners to drive with their parking brake engaged.  Brakes may smoke, heat up, spark, or at worse start a fire. In addition, Cadillac and... Continue Reading →

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