

Products
GM 400, 4L80-E Case Saver Retainers
Protect case lugs from blowout with the only intermediate clutch retaining ring case saver that allows the intermediate band to...
Protect case lugs from blowout with the only intermediate clutch retaining ring case saver that allows the intermediate band to...
This new Sonnax 2-3 accumulator spring (p/n 34931-01) for GM 4L80/85-E units is a direct replacement spring that has been...
Knowing your transmission’s hydraulic circuit — and solenoid circuits in particular — can be very helpful when identifying the underlying...
Like many of you, this time of year I am usually asked to assemble a variety of items and gifts...
The subject vehicle that was fitted with one of our remanufactured transmissions six months prior showed up at one of...
Wintertime typically equals a parking lot full of snowplow trucks. Sometimes they represent repeat business — of the bad kind...
Our story begins with a 1995 Chevrolet K1500 with a 6.5-liter diesel and a 4L80 E transmission that was brought...
As if having another wave of cracking pistons was not bad enough, the problems with the second-generation stators were even...
Most torque-converter rebuilders routinely deal with the undersize pilots on GM 298mm converters. It is common either to build up...
Diagnosing a shift concern can be easy, as long as you understand some basic techniques to help get to the...