The Hydra-Matic 8L90 (production code M5U) is a fuel-saving and electronically controlled eight-speed automatic transmission developed and produced by General Motors for use in rear- and rear-biased ...

The General Motors 8L family of transmissions has been in service since 2014, gradually replacing older 6L six-speed units across much of the company's lineup. The bigger 8L90 was the first GM 8-speed ...

Getting the best out of something usually means taking something else out of the equation to get it; a little give and take, if you will. For instance, in order to get a small-block to create ...

A federal judge certified a class-action lawsuit against GM Monday in regard to claims the automaker knowingly sold defective transmissions in around 800,000 cars. U.S. District Judge David Lawson ...

View post: Toyota Drops Hot 2025 Corolla Hybrid Lease Deal for September The lawsuit specifically applies to vehicles that are equipped with GM’s 8L90 or 8L45 8-speed automatic transmissions made ...

A judge has granted class action certification to a lawsuit involving 39 plaintiffs across 26 states — including Michigan — that accuses General Motors of knowingly selling cars with faulty ...