Most members of our forum report between $1500 - $3000 for a rebuild. The 4L60E is usually a pretty good transmission in the newer model Trailblazers. Regular mentenance is important.
www.trailvoy.com Trailblazer enthusiasts forum
This answer will vary with what's wrong and which shop looks at it.
A eaton fuller 18 speed roadranger gearbox is used
4l60e
$2100 for rebuild as of 4/2012
transmission fluid
its on the tailshaft of the transmission
Yes
Check the fuses first
Purchase a replacement
Engine diagrams can be used as guides.. An engine diagram to a 2003 Chevy Trailblazer can be found in its maintenance and repair manuals.
Drivers side at the top of transmission
6.5 Liters