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 call has gone out by the government to increase fuel mileage, and the automotive industry designers have answered. First, it was lock-up converters. 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...
When I was a young man in the early eighties, I was told the following wise words by a gentleman whose age I now reflect (Old): “Why is there never time to...
When I was a kid growing up in a small, east coast city, there were other kids who moved in and out of our neighborhood regularly. Then there was that one kid...
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...
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...
The A6 series transmission found in Hyundai and Kia applications has been with us since 2009. However, they have not been a frequent attraction in our...
In this article, we’re going to take a look at some of the basic diagnostic and repair procedures for GM’s AF50 transmission. As always, having the right...
Understanding and diagnosing today’s domestic all-wheel drive systems can be quite intimidating. They’re designed to operate in conjunction with many of...
Automobile manufacturers are exploring every way possible to make vehicles more fuel-efficient. Powertrain management strategies are tailored with this in...
The Dodge RFE series transmission has gone through some changes with the solenoid block and now changes with transmission range sensor (TRS) plate.
We’re...
In case you haven’t noticed, many automotive manufacturers now offer transmissions with eight to ten different gear ratios. This has been a major change in...
Park-by-wire systems consist of input from the driver, such as a knob or button (more on this later), an internal mechanical piston attached to the park rod...
Jatco CVT transmissions have always had a belt to transfer power from one pulley to the other. The belt has worked out in light cars with small engine torque...
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...
Many shops are seeing increasing numbers of 8L90 and 8L45 transmission related concerns showing up at their front door.
The 8L90 applications were introduced...
Having worked at the ATRA Hotline for many years, I know that words have meaning. Communication between two “techs” can fall apart if they call the same...
The Dodge 62TE solenoid pack is expensive to replace; too expensive to replace on every rebuild. But are you replacing them because they’re bad or just...
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...





