2021 Chevrolet Spark Technical Service Bulletins

453 technical service bulletins (TSBs) are on record for the 2021 Chevrolet Spark. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 10184105Nov 11, 2020Tires, Wheels. This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized, tested and designed for the vehicle in question and its applications. Technician should not use the information that is provided by the antilock braking system tire size selection.
• 10183198Oct 27, 2020Electrical system. This service bulletin provides information and a service procedure for dealers/technicians on OnStar Over the Air Update for TTY / TDD Operation and Continuous Improvement Changes.
• 10183146Oct 16, 2020Equipment, Engine. This informational bulletin provides information to the tech to discard the PCV drain tube when working on the lower area of the engine.

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