It seems operational, I can turn the dial for air blender and flow and it seems to function as before. What should I test? Is there specific...
I have 2017 5700XE with rotor dial AC/Heater controls. Hope I can get some direction what to try next. Few months ago I replaced my AC compressor...
Hopefully this will be useful to someone and save some $$$ [MEDIA]
Nope, no codes. In DDDL I can see fan in AC request mode. As soon as I close the circuit with a switch as long as AC sensor is closed as well the...
I made a harness to go in between high pressure AC sensor and ECM harness plug. The harness has one wire split and connected to a toggle switch in...
It’s 2017 5700XE, how can I check if I have SAM module? I have a laptop with DDDL and NexIQ interface. My only plausible plan is to wire a switch...
I want to install a fan clutch switch in my 5700. To my understanding I need to wire it to the fan clutch solenoid to manually engage it. Can...
I don’t believe bunk has heater shutoff valve on 5700. Heater is always on only air selection flap controls which side cabin air is pulled from. I...
Busted diaphragm, the air is leaking around the contact terminals.
Found the issue in case someone finds this thread in the future. Air leak was coming from air brake lights switch, a $20 part but a pain in the...
I have 2017 Western Star with DD15 power train. When the service brake is applied I hear and feel air escaping from under the steering column....
On my driver side some of the amber LED started going dim last month, now some completely went out. I measured voltage on the last light on the...
Simple 17mm box wrench. It’s held in place by a compression nut.
So you have SPN 3720 FMI 15 code that means you are about to be $2200-$2800 lighter in the wallet. Watch this guide and you'll be able to save...
What is the trick to remove the driver side skirt off on 5700? In Cascadia there were two latches on the inside and the skirt was off, I don’t see...
Are you talking about inside the cabin near the passenger door? I’m trying to figure out how the outside air supposed to come in to blower box.
I see the intake inside the cabin and can feel the air being pulled in, but where is the outside intake?
I have a suspicion my HVAC is stuck on recirculating air no matter what setting. It’s 15F outside and when I turn engine off and heater to minimum...
I have 2017 WesternStar 5700XE with the DD15 power train. About three weeks ago amber MIL lite came on then disappeared few days later. Then it...
Thank you very much!