Search results

Yes, your correct. My mistake...

Resolve to possible chattering effect on pneumatic controller: Check for low supply air pressure to CTIS system. The gauges on the dash of the M923A2 are direct to the tanks. They do not reflect the supply pressure in the CTIS system. Typically the CTIS main air supply to the pneumatic...

Didn't see the part about a generic O-ring in your message. Will take that critter apart and try just replacing the piston O-rings before getting a whole kit. Thank you! -0------- ignore below -------o- The valve body I assume your talking about is the PCU (device under the dash) behind the...

Having a problem with a CTIS (M923A2). Start the truck up - dump the air in the tires to "run flat" - this works fine. Go to "Sand" mode and listen to the PCU pulse to fill all tires. This will fill to sand mode pressure no problem. Next go to X-C mode and again listen as the PCU starting...