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Search results

  1. J

    2011 Duramax DEF Fluid Issue / Problems

    There are a lot of flaws with the def system in the siverado. The main issue is the def fluid freezing on the sensor. Once this happens the sensor cannot read the fluid level. The fluid in the tank tends to slush rather than totally freeze. The heater in the tank is not able to do it's job to...
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