(Avoid a Square Peg in a Round Hole)
Who knew back in 1989 when the E4OD was launched what the time-frame footprint would be or how many changes would occur, let alone that it would grow into a five speed automatic?
For the repair industry, the big RWD family of transmissions has been pretty profitable due to failures, but at times somewhat troublesome due to rebuilding issues and component upgrades. Some upgrades have been fairly straightforward and inexpensive while others were more complex and costly. The four speeds certainly had modifications and upgrades; however, those models pale in comparison to the five speeds.
