Cummins low water alarm
Newbie here! just purchased a 03 MA with a Cummins ISL 400, Freightliner Chassis. When starting the unit from being cold, Illinois weather, I am getting a low water alarm that is going off. Checked the white tank that is right in front of you when you open the hood. Antifreeze was at the low mark, added to it to the half way mark to maximum level. After the rig idles for about five minutes the alarm goes off. I noticed two caps on this tank, one being a standard radiator cap the other being a large black cap that fills your hand when grabbing it. Can the system be that low? When in the coach, you can hear what sound like water running through a pipe as you static rev the motor. I assume that is water being supplied to the heat exchanger under the dash. Any thoughs? Walt Thanks
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