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Question: Transmission temperature climbs on long grades

MileageTuner88Community StarterMay 31, 20262021 Chevrolet Silverado 1500 LTZ 6.2North Jersey
Normal temperatures around town, but towing uphill for 20–30 minutes pushes trans temp much higher. How do you decide whether the solution is speed/gear selection, added cooling, or simply less trailer? Appreciate any ideas on what to check first.
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JDMLearner79Community StarterCommunity StarterMay 31, 2026permalink
If I were shopping this, i would not wire money until I've seen the 2021 Chevrolet Silverado 1500 and the title situation in person or via a trusted PPI. That's the part that actually changes the decision. This is from a 2021 Chevrolet Silverado 1500 in North Jersey. Time, temperature, and whether it's in gear are the notes that actually help a shop. Worth doing even if the car feels fine right now. If they only talk monthly I'm walking.
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