New guy here. Been expediting about 5 months now. Bought this Freightliner that is in continuing state of attention. My current on going dilema is the ABS light comes on each day during the run. Shut it off for the night and next day light is out until I get about half way thru my run. Code in information center in dash is ABS 136, Sld 5, Failure xxx; or ABS 136, Sld 4, failure xxx. I have figured out that Sld = solenoid. If this is true does anyone know where these things are. Problem is getting more persistent and irritating me. Any help/guidance would be appreciated.