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...
The Fiat 500 and 500 L are beginning to use a transmission that’s taking repairs to a different level. When this unit starts to break or act up, information...
Adaptive shift quality technology has been with us since the late 1980’s. Chrysler’s A604 is the most noteworthy trailblazer of this technology. Since...
In this issue of Keep Those Trannys Rolling, we will look at Lexus’ all-wheel drive (AWD) system. For this example, we will look at the 2020 Lexus RX350F...
Conventional gasoline vehicles used gear trains to provide a torque multiplication and also provide low, medium, and high speeds for the vehicle. Conventional...
In our last issue of Keep Those Trannys Rolling, we looked at the Lexus “Dynamic Torque Control AWD system and what made it tick. In this issue, we will look...
The blueprints of a dual-clutch transmission are 84 years old and go back to 1935. Unfortunately, the transmission never made it into production, but the idea...
In the last couple of articles, we used terminology relating to pressure control solenoids such as PWM, Frequency, and Duty Cycle. In this article, I thought I...
Normally, when a road trip is planned, it’s planned out using some form of map or GPS. Imagine going on that trip without the use of either. There’s a...
Most days in the field, it’s just building your transmission and sending it down the road. We’ve all seen the common problems and their causes with most...
Computers use integrated circuits (IC) to control vehicle system components such as motors, lights, relays, and solenoids. The IC components that control...
A friend of mine recently called me on a 2012 dodge charger with a NAG 1, aka, 722.6 in it. The customer stated the check engine light was on, and he found a...
Back when I started in this business, most technicians were expected to build three or more units a day. In some production facilities they had people tearing...
It looks like Electric Vehicles (EVs) will be a more common sight on Australian roads, which will require workshops to have a good understanding on their...
Many changes have taken place with transmission cooling since its inception. It started with a cast iron beast with only a torque converter with fins to a...
Sometimes, when I’m doing automotive electrical diagnosis, I encounter some issues that are real head scratches and challenge my training. Sometimes, I even...
In this issue of “Keep Those Trannys Rolling,” we are going to take a look at a 2016 Chevrolet Silverado K3500 that was having an intermittent “no move...
In our last article about overdrive clutch failure on a 68RFE, we left off at surface damage where the valve body contacts the case. Your next step is to...





