AOD Conversion

The TH440-T4 (4T60, RPO code ME9) is the only GM Automatic Over Drive transmission that will easily drop into otherwise stock Fiero. I’ve been interested in this conversion myself for a long time. I’ve pulled together some of the more pertinent data into this article for those considering the swap. Maybe I’ll get around . . . → Read More: AOD Conversion


Lockup Solenoid

The Fiero TCC (Transmission Solenoid Lockup)

by Chuck Kichline 7/10/2008

I found out that there wasn’t a lot of information on automatic transmissions for the Fiero on the web, and even worse, both the Haynes and Clymer manuals are weak on diagnosis and had NO information on repair.  It became very important to . . . → Read More: Lockup Solenoid