What happens when the parking brake does not release?
What happens when the parking brake does not release? Parking brakes can be mind boggling when it does not release. When the parking brake does not release, you can damage the transmission or engine trying to overcome the braking force. The parking brake system is simple in design and helps keep the vehicle from moving when placed at rest. What should I do if my air brakes are not working? -Brakes need adjusting or lubricating. -Brake valve not returning to fully released position. -Restricted tubing or hose. -Exhaust port of brake valve, quick release valve, or relay valve restricted or...