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Old 06-20-2019, 12:06 AM   #7 (permalink)
Dmax Dually
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Join Date: May 2012
Location: Tampa, Fl
Posts: 211

The original factory coolant reservoir in my 2012 had a Max line and a Min line. I had to have the reservoir replaced a few years ago (under warrenty) because of a seam crack. They did away with the Max fill line on the new reservoir and it only has a Min line on it now.
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2012 Silverado Duramax Diesel 3500 HD Dually Crew Cab LTZ 4X4 in Mocha Steel Metallic
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