swathdiver
Full Access Member
I just bought a 2015 Tahoe LT that the transmission went out within 24hrs from buying. It had 132,000 miles on it. Shifted fine test driving, then it croaked the next morning. It's being replaced now.
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Sorry to hear that Nick! Don't let the fluid get past 50K miles on the new one. Consider ditching the transmission's thermostat for longer life. Running them at 195 degrees satisfies the government at the expense of you, the consumer.