Freightliner M2 Leaking Air Brakes Released Full Leaked Content #859

I have an m2 freightliner equipped with air brakes

When i press the yellow switch to release the park brake, i notice an air leak coming from the switch, which causes the air to push the switch out, preventing the brakes from releasing What might be the problem I also replaced the air solenoid valve as well. If any of the tests in the following procedure fail, refer to general information, meritor wabco pneumatic antilock braking system (abs) of the business class® m2 workshop manual to test individual air brake components and valves Some steps in this operation require the parking brakes to be released. I am new to mdts and need help with a air brake system leak

My abs valve is leaking air to the point when i turn the truck off with the air brake button in the release mode, the pressure drops from. If a spring brake is leaking from the the spring brake to the service brake side, that air will travel back up the service line and out the exhaust of the next valve back Before replacing a valve that has air leaking from. Thank you for checking out the channel I was loosing a lot of air while in motion or driving and found air leaking from the quick release valve of my brake. This is i guess a rear chamber with the parking brake on it

If so sounds to be leaking thru the spring chamber in to the service side

To check it is simple and you would with the parking brakes released disconect the service hose to the chamber and there should be no air coming from the service port of the chamber If it is replace the chamber. Freightliner m2 air leak, how to check and repair air leaks Rios auto transport llc 7.67k subscribers subscribed It would be useful to compile a list of the top 10 most likely places to look for air leaks When i bought my 05 m2 which is a 4/04 build date last dec it would leak all its air out in about 2 hrs time after shutting it off

I found a leak in the main line to the storage tank at a coupler fitting about half way between the compressor and the tank. I restarted the engine and immediately disengaged the park brake and perhaps the air pressure was not great enough yet to fully release the park brake The air pressure does slowly leak down.