Three problems I know of are one not changing and/or checking fluid level and if you do alot of hauling the more weight the warmer the fluid get and finally the more shifting you do (mostly city driving) the warmer the fluid gets.ni
Make sure your lockup torque converter is functioning. It has to work in overdrive or it will overheat. When your torque converter locks up, you have a mechanical link between the engine and rear end. When the lockup torque converter isn't applied, you are coupled from the engine to the rear end through fluid which can churn and overheat in steady driving in overdrive.
A eaton fuller 18 speed roadranger gearbox is used
4l60e
transmission fluid
its on the tailshaft of the transmission
Yes
Drivers side at the top of transmission
6.5 Liters
NO.
Dextron III
It has two. It has an oil dipstick and a transmission dipstick.
The transmission in the Trailblazer could be low on fluid. The internal shifting mechanism could be giving problems as well, keeping the transmission from shifting into gear.
The 2003 Trailblazer speed sensor is mounted on the transmission. It is on the passenger side of the output end.