The ZF6HP21 has been around for some time. If you haven’t seen one yet you’re sure to see it soon. This transmission uses other names like the 6R60, as...
As most shops in ATRA know, I have been producing Rebuild books for many years now. Each book has its own set of challenges. The challenges vary from project...
Through years of experience in the transmission industry, our lessons in the field often help us get to the problem quickly, fix it, and get it out the door...
Last October, I was lucky to spend a few days with Bob Warnke, the Vice President of Technical Development at Sonnax Corporation. He did the big 13+ hour drive...
The automotive engineering world took notice when ZF came out with the first rear-wheel drive 8-speed transmission in 2008. Soon afterward, other manufacturers...
The Toyota/Lexus U880E was first introduced in the 2013 Lexus RX350 Sport. Since then, it’s become quite popular: It’s currently being used by BMW since...
The Toyota/Lexus U880E was first introduced in the 2013 Lexus RX350 sport. Since then it’s become quite popular; BMW began using it in 2015 under the name...
I recently received a call from a friend, Pat, who runs a transmission remanufacturing company. He was frustrated as he said, “Man, Dennis, we have got these...
In this issue of “Keep Those Trannys Rolling”, we’re going to take a look at a 2010 Ram 5500 Cab and Chassis truck that was having erratic transmission...
An early model Ford Transit Connect comes in with the check engine light on. Perhaps it was recently purchased, and the new owner got it for a low price...
Dual-clutch transmissions have become more prevalent in a quest to improve car fuel efficiency. The absence of a torque converter and an engine-driven oil pump...
Convenience and ease of operation are things we have come to expect out of our daily driving experiences. Pushing a button should give us exactly what we want...
When I was younger, a lot younger, one of the first college classes I attended was a physics class. I learned tons about our world and why things work as they...
I’d like to introduce the transmission industry to Ford’s latest 8-speed offering. This unit is about the same size as the 6F50N, its 6-speed...
A freshly rebuilt transmission comes back with a no movement. The customer says they were driving around and then suddenly there was a loss of power and then...
For decades, we’ve seen mass airflow sensors (MAF) on the vehicles that we service every day. Most technicians are aware of the function of the MAF sensor...
The Controller Area Network (CAN) is a communication protocol that allows modules to share data across a twisted two-wire circuit. It’s a common network that...
The Mazda CX-5 KE and the Mazda6 GJ from 2012 are based on the same vehicle platform, and as a result, they share many of the same components, one of which is...
A Toyota Tundra, equipped with a 5.7L engine and an AB60E transmission, was dropped off with a complaint of no 5th and 6th gears. A road test revealed the...
The UA80E first showed up in 2017. It was used from 2017 through 2022 in the Toyota Highlander with 2.5L and 3.5L engines. From 2018 through 2022, it came in...
