Chevy Aveo Archives - Transmission Digest
AW81-40LE: The Valve Body

Picking up where we left off last month as promised, we are going to take a closer look at the valve body and the operation of the timing solenoid (see Figure 1). But before we get into it, there are a couple of things to be aware of.

AW81-40LE: A Brief Introduction

The 4 speed electronically shifted FWD AW81-40LE transmission (see Figure 1) used in Chevy Aveo vehicles since 2004 looks as if it had been constructed using parts that were left over from Toyota and Volvo transmissions. All kidding aside, it is a very straightforward transmission, making it easy to become familiar with it.