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Recent content by Fun2Fish

  1. F

    Unknown substance in coolant resivoir

    The engine is a 2018 5.3L with closed cooling. Not sure what is in the tank, I got some out and feels like silicone gel or some type of grease? Engine has ~ 5hrs on it. Dealer sent the image to VP and I was told not to worry as long as the fluid looked good. They did not elaborate on what it may...
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