WebMar 9, 2013 · My air pressure gauge will drop down to zero and then fluctuate between zero and 130 psi. While the gauge is going through this gyration, the air brake warning buzzer is on. Then, after a minute or so, the gauge will settle at the appropriate air pressure of 130 psi or even with the second gauge (which works perfect). WebMay 4, 2024 · 2016 Freightliner Cascadia. when the truck is driving the air pressure is normal resting at 120psi. when the truck is parked and idling the air drops to around 70psi and stays there, it raises back up … read more Gary A. Associates in Diesel Technology and Business Management 10 satisfied customers
Need Help with Secondary Air problem - Expedite Trucking …
WebI have 2010 Freightliner cadcadia dd15 , having problems with air not building up, secondary usually builds first , dryer pops Off when secondary air builds up, replaced dryer , check valve on 3rd tank,replaced both pressure relief valves on first tank. It built up this morning , released trailer valve , air dropped to 60 wouldn't build up anymore , set trailer … WebAug 31, 2024 · Freightliner service says that will not happen unless the real pressure is that low, that a faulty reading won't cause it. Don't want to be driving and have the parking brake engage. Any ideas on how I can deal with this myself, Freightliner is backed up for over a week and says that all they can do is change parts if it is anything electrical. hormone pills heart problem
Air pressure runs to 150 - Air Systems and Brakes
WebJun 15, 2024 · If the pilot valve is stuck open, the air pressure will not build up and the hydraulic valve would not actuate, therefore tranny would not work. ... Freightliner Air pressure problems. Hayharold; Jan 7, 2012; Truck Maintenance And Repair; Replies 5 Views 35,819. Jan 7, 2012. diehard. D. WebAug 8, 2024 · Air pressure building up slowly This is the most common issue people find with the Freightliner air compressor. There are a number of reasons why this might happen. The gasket leaking restriction in the compressor pipe can cause carbon build-up The cut-out pressure of the unloader valve could be set too low WebFeb 23, 2015 · The air system is designed to only send air for seats, horns, blow guns and air suspension, above 65 lbs. That way, a failure in non brake items, will not leave you … lost ark rovlen spawn location