coolant

  1. S

    Big Truck Coolant/Antifreeze question

    I have Freightliner M2 with Cummin. Today the temperature light came on. I noticed the antifreeze and coolant is below the low line. It’s orange color. It’s probably leaking somewhere. I’m thinking about buying couple gallon until I get back to send it in for a check up. What type of coolant...
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