Approaching four decades ago, automakers were scrambling for solutions to fuel economy woes, and GM was no exception. Computer-controlled carburetors and the birth of electronic throttle body fuel ...

Transmissions are the unsung heroes of the automotive world, but which ones are the most bulletproof?

This 1997 Chevy Suburban has a 5.7-liter engine, 6-inch suspension lift, and 35-inch tires. The truck is regularly used off-highway and to tow trailers. It also has a propensity for killing its 4L60E ...

Some time after installation, the car developed what Bees describes as an "intermittent screaming noise. It makes the noise 8090 percent of the time. I thought it was the transmission, but a local ...

With their debut in the 1990s, GM's 4L60E and 4L80E transmissions reveal some of their differences –- and similarities –- right in their names. The "4" and "L" respectively refer to the number of ...

The most significant difference between General Motors' 4L60E and 4L65E four-speed automatic transmissions is their ability to withstand different levels of torque. Before the 4L65E was introduced in ...

Engines get all the glory, but without a stout transmission backing it up even the most exotic mill is nothing more than a noisemaker. And as engines keep putting out more and more power, the ...