How Do You Release Air Brakes On A Semi Trailer?

How Do You Release Air Brakes On A Semi Trailer?? How do you release a parking brake with a dead battery? If the battery dies, the parking brake system won’t operate. To release the parking brakes manually, a special tool is included along with the jack tools. Install the correct bit on the tool, remove … Continue reading How Do You Release Air Brakes On A Semi Trailer?