Mike1950

I have a 2016 Suburban 6 speed - 98% highway miles. I love this truck- it’s been to 42 states. Torque converter blew at 84000 miles. Luckily had 100,000 mile extended warranty. Temp ran 190-210. Did the “pill flip” under the trans thermostat. Now runs 147-160. Maybe 170 towing or on long mountain climbs out west. Since the next trans will be on me I hope this will help the trans life. Wish someone would come up with a 160 degree thermostat as a fix. I haven’t noticed any change in performance, fuel economy, or shifting. Heat has always been a killer of transmissions. Would love to know GM’s reason for this.