I have a 2001 blazer, it has a 4L60E transmission. First started out reverse wouldnt work,without any repairs reverse started working, but now wont shift from low gear where it would when reverse didnt work. Any help would be greatly appreciated.

 

Check the transmission fluid level. Then search for videos online that describe the typical failures for the 4L60E transmission. Those videos will help you correlate the symptoms to the failure mechanism.

 

[QOTE=crazydean;712058]I have a 2001 blazer, it has a 4L60E transmission. First started out reverse wouldnt work,without any repairs reverse started working, but now wont shift from low gear where it would when reverse didnt work. Any help would be greatly appreciated.[/QUOTE]
Have changed fluid and filter, 1-2 shift solenoid and shift cable. Still not shifting