A Nissan rolls into the shop with a familiar complaint. The customer says the transmission feels wrong. Maybe it surges on the highway. Maybe the RPM rises and...
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The flexplate is a critical but often misunderstood component in the drivetrain, acting as the mechanical link between the engine’s crankshaft and the torque...
When I look at world events that are daily changing the way we get the supplies of parts, raw materials, and base oils, I’m immediately reminded of what we...
A bevel gear contact pattern is one of the quickest ways to see how a gearset is actually carrying load. It shows where the tooth flanks meet under a defined...
Diagnosing today’s modern automatic transmissions can be challenging, to say the least. We have gone from a simple two-speed transmission controlled by a...
In last month’s article, we shared a detailed evaluation of the Ford F-150’s transmission thermal management system. In that article, we collected...
When asked what the number one problem with automatic transmission fluid is, it has never changed or gone away as technology improves and changes. I would have...
The UA/UB80E transmission has been in production for over nine years now, and literally, there are just over 5 million of them on the street. These...
Transmissions have become quite complex in the past decade with advanced electronics, sophisticated solenoid and clutch application strategies, mechanical...
Things have changed a lot in our industry over the years, but one thing that has not changed is the desire to give our customers a transmission that is a more...
The use of “additives” in ATF has been an ongoing discussion since I started working in the automotive lubrication business in the 1980s. Before 1985...
Road Test, because you can’t confirm your repair without it. A road test is your first, and sometimes only, chance to identify a problem. It may be performed...
In recent past issues, I’ve covered the basic uses and misuses of the Digital Multimeter (DMM). This series will introduce you to the value of the digital...
Seems our new work vocabulary repurposes or changes the meanings of terms we have used for years. The one I hear most often these days (its meaning depending...
The 2019 model year marked a significant update for the General Motors 8L90 automatic transmission. In response to advancements in engine management and the...
This article is part three of a series that examines the limitations and considerations of common measurements performed with one of the most widely used...
For professionals in the torque converter and transmission rebuilding industry, the start of May signals an exciting opportunity to network, learn, and deepen...
As many of you know I sold my shop in April of 2021 and now do only antique transmission repair in my hangar at the Sedalia MO airport. Sourcing parts can be a...
Every year, as we approach the year’s end, I like to look back, not only at the last twelve months but even further back, remembering the events and...
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