Replace Buick Rear Brake Caliper

Sept. 13, 2023
This bulletin applies to 2016-2017 Buick Envision vehicles. Some customers may comment that the rear park brake may not release and/or DIC message “Service Park Brake” and/or a warning indicator is illuminated.

This bulletin applies to 2016-2017 Buick Envision vehicles. Some customers may comment that the rear park brake may not release and/or DIC message “Service Park Brake” and/or a warning indicator is illuminated.

This may be due to a rear brake caliper internally leaking brake fluid past the seal and onto the rear park brake actuator. If you encounter this condition, replace the affected rear brake caliper and park brake actuator.

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