This video is part five of a seven part series on the GM 8L90 transmission. In this video, I cover the operation of 8L90 torque converter. I describe the torque converter construction, electronic and hydraulic controls, and issues/concerns regarding this converter.
Here are the other videos in this series:
8L90 Overhaul - part one covers disassembly: • General Motors 8l90 Ov...
8L90 Overhaul - part two covers assembly, including clutch and gearset assembly and measurements: • General Motors 8l90 Ov...
8L90 Overhaul - part three covers valve body: • General Motors 8L90 me...
8L90 Mechanical and powerflow: • General Motors 8L90 me...
8L90 Hydraulics:
8L90 Electrical theory and operation: • General Motors 8L90 el...
8L90 Rebuilding Particulars:
8L90 Modifications and Tuning:
Special thanks to Precision International, TransGo, and Sonnax for providing me with product to use in these videos. Also thanks to KB Cores and AA Midwest for providing me with a few 8L90 cores at a good price!
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