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Roy and Tracy Boling

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Everything posted by Roy and Tracy Boling

  1. It is transmission fluid, not engine oil, in the coolant. They have been in touch with tech support and are working down their list. They called tech support since it is a first for that shop.
  2. My truck has oil in the coolant reservoir. 2020 Silverado 2500HD Z71 WT with 6.6L gas engine, 9,300 miles. I am still waiting for the diagnosis from the dealership. Has anyone experienced this issue in a new truck? Update, the transmission cooler in the radiator failed, replacing radiator and hoses, everything that is saturated in transmission fluid.
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