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2019 suburban - Transmission overheating from AC?
Looking for advice on this overheating issue. Picked up a "fleet vehicle" with 216k miles (2019 suburban) and it looks like it has the L83 w/ 6L80 transmission. I was parked with AC on the car got up to 250F, I thought that was a bit hot and looked at the fluid(which was dark). so change fluid...- 19sub
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- Forum: Engine & Drivetrain
