Chevy and GMC Duramax Diesel Forum banner
  • Hey Everyone! Enter your ride HERE to be a part of this months Ride of the Month Challenge!

trans cooler

  1. 01-04.5 LB7 Duramax Powertrain
    On my way home from work today I got about 2 miles from my house and noticed my trans temp gauge was in the red. Also got a notification on the dash stating "trans fluid hot". As I slowed down for the stop sign it downshifted as though it were in tow/haul mode even though tow/haul was not...
Top