Transmission, 6-speed automatic, electronically controlled with overdrive and tow/haul mode. Includes Cruise Grade Braking and Powertrain Grade Braking
Cooling, auxiliary external transmission oil cooler (Included and only available with (L83) 5.3L EcoTec3 V8 engine.)
Transmission, 6-speed automatic -inc: electronically controlled w/overdrive & tow/haul mode, cruise grade braking & powertrain grade braking.
Auxiliary external transmission oil cooler