This article is a prelude and supportive document to a new column, “Thinking It Through.” Over my 40+ years in the transmission industry as a rebuilder...
ATRA +
Last month, we explored the tried and tested VR and Hall-effect sensors that have provided a speed input to the engine, trans, and ABS controllers for decades...
Speed sensors – how complicated could they possibly be? They use only two or three wires, so what’s to learn? Well, imagine checking a wheel speed 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...
Over the past several months, we’ve covered a lot of information aimed at the diagnostician, particularly things to check when a vehicle first comes in with...
One of the things we strive to do at ATRA is to provide information not only regarding repairs for the common conditions you are seeing in your shops but to...
Computer control systems can be simplified down to inputs providing information for a control module to command outputs — input, process, and output. Of...
Over the next few months, you’ll notice an increasing emphasis on ATRA+ articles. It’s not so much that we’ve changed article focus, per se, but rather...
This is the third installment of ATRA+ articles. It’s a project that began a couple of years ago. It’s tied to the ATRA University Project and focused on...
We don’t think much about servicing an automatic transmission. Fill it until the dipstick shows full, and off we go. Even if the dipstick read low, it...
Last month, ATRA’s Executive Director, Lance Wiggins, shared some history about ATRA. As a rebuilder, I can go back decades and recall the tech I learned...
