Rear wheel drive transmissions send engine power to the rear axle, a layout common in pickup trucks, many sport sedans and performance cars. Because the gearbox sits separately from the drive wheels, its design affects weight balance, cabin space and how the car feels under acceleration. Understanding the basics helps you read your owner’s manual, … Read more
Front wheel drive transmissions are the gearboxes that send engine power to the front wheels, and they are found in most of today’s compact and midsize cars. Because the transmission and final drive share one housing, many engineers call the assembly a transaxle. Understanding how this layout works helps owners recognize normal behavior, notice early … Read more
Transmission mount effects are the changes in how a vehicle feels, sounds, and shifts when the rubber or polyurethane supports holding the transmission in place begin to wear. Most owners notice these changes gradually, which makes them easy to overlook. This guide explains what transmission mounts do, how their wear produces specific symptoms, which checks … Read more
Torque converter diagnosis is the process of determining whether the fluid coupling between an engine and an automatic transmission is causing a driving problem. Because many transmission symptoms look alike, careful testing matters. This guide explains what the torque converter does, which symptoms commonly point to it, what owners can observe safely, and which tests … Read more
Torque converter failure symptoms often appear gradually, so many drivers attribute them to normal wear or the engine. The torque converter is a fluid coupling between the engine and the automatic transmission, and when it begins to fail, the changes can be subtle at first. This guide explains what the torque converter does, the warning … Read more
Clutch pack wear indicators are the signs, symptoms, and measurable clues that show the friction clutches inside an automatic transmission are wearing down. Most drivers never see these parts directly, so the clues usually arrive through how the car feels and sounds. This guide explains how clutch packs work, which warning signs are most common, … Read more
Valve body wear patterns are the telltale marks that build up inside an automatic transmission’s valve body over years of pressurized fluid flow and valve movement. This article explains what those marks look like, what they usually mean, and how an owner can make sense of a transmission problem without taking anything apart. Most owners … Read more
Transmission solenoid testing is the process of checking the small electrically operated valves that direct hydraulic fluid inside an automatic transmission. These valves respond to commands from the transmission control module, so a faulty one can cause delayed, harsh, or incorrect shifts. Understanding the basics helps owners describe symptoms clearly and make sound repair decisions. … Read more
Transmission connector inspection is a careful check of the electrical plugs that link your transaxle’s solenoids and sensors to the vehicle’s control module. Because these connectors sit in a harsh environment of heat, fluid, and vibration, they can corrode or loosen over time. This guide explains how these connectors work, what symptoms can point to … Read more
Automatic transmission wiring is the network of cables and connectors that carries signals between the transmission, its sensors and solenoids, and the electronic control module. It is easy to overlook, yet a single damaged wire can produce symptoms that look like expensive internal failures. This guide explains the main circuits, the warning signs that point … Read more