Manual transmission sourcebook 2023 - Transmission Digest

Manual transmission sourcebook 2023

While no longer the dominant market force they were in the past, there are still enough manual transmissions out there on the road to make up a decent amount of work for transmission shops in certain specialized segments; and still, of course, the need for parts for, and the ability to work on, those manuals.

Below, find our Manual Sourcebook for 2023, with info provided by the companies. Click the images to view or download.

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MP3023 T-Case: Simple Mechanics, Complex Electronics

The MP3023 is an active automatic transfer case that is found in a wide variety of vehicles. This unit will be found in GM trucks 2007-13, Jeep Grand Cherokees 2011-19, and in Dodge Durangos 2010-up. We will be discussing the Jeep version here, which has very sophisticated control electronics. The transfer cases are basically all the same across the product line, but there are considerable variations in the electronics, which will make diagnostics outside of the transfer case a learning experience.

Up To Standards

Author: Mike Weinberg

Subject Matter: MP3023 T-case

Issue: Complex electronics

The MP3023 is an active automatic transfer case that is found in a wide variety of vehicles. This unit will be found in GM trucks 2007-13, Jeep Grand Cherokees 2011-19, and in Dodge Durangos 2010-up. We will be discussing the Jeep version here, which has very sophisticated control electronics. The transfer cases are basically all the same across the product line, but there are considerable variations in the electronics, which will make diagnostics outside of the transfer case a learning experience.

Simple Routines Can Leat To Solutions

For whatever reason, the tech lines get an inordinate number of calls regarding a few specific is-sues. That such a high volume of calls is generated by just a few problems leads to the belief that we need to revisit and speak about the lack of understanding by the tech-nician that leads to all this wasted time and phone traffic, as well as failure to get the job right the first time. Let’s start out the year by get-ting to the nitty-gritty of why cer-tain issues seem to confuse so many people.

Lubricants: Understanding the Mysteries

Lubricating oils or lubricants have been around since the invention of the wheel, and every class or type of machinery uses and needs them. But, how much do we really understand about these products and about the amazing amount of engineering that is found in a can?

Tires Vastly Improved, but Check the Specs

The advancement of technology in the automotive field is rapid and unrelenting. Forces that shape the marketplace, state and federal regulations, the need to attract new customers, and the need to be different and at the same time profitable are driving the car makers to develop technology at a pace never seen before.

Are We Speaking the Same Language?

If you are repairing transmissions for a living, you will invariably spend some time on the phone ordering parts and speaking with technical hotlines to assist in your diagnosis of problems. Having been on both ends of a tech line for over half a century and an equal amount of time buying parts, I have learned a whole new language. To be successful communicating with those entities, one must understand the language and be speaking about the same correct topic with whoever is on the other end of the conversation.

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American Powertrain introduces Chevy/GMC 4×4 Tremec 4050 transmission kit for vintage pickups

American Powertrain is introducing a Square Body Chevy/GMC 4×4 kit for the Tremec TR-4050 five-speed, four wheel drive manual transmission designed to fit 1973 to 1987 pickups and SUVs, which the company notes includes Chevy Suburbans, Jimmys and Blazers. Related Articles – Alto introduces aluminum oil pans for Chrysler transmissions – Sonnax introduces heavy-duty ‘A’

American-Powertrain-600
The evolution of transmissions

The easiest thing to say would be: The manual transmission was first and the automatic came second. End of article. Well, that’s true… sort of.

Manuals today: A specialty option

Manual gearboxes have become much less common in vehicles over the past few decades. The automatic shift transmission became popular—and later dominant—during the 1960s. And, as sure as thunder follows lightning, the business of repairing manual units has decreased steadily as there are fewer of them. Once considered more fuel efficient, manuals have, over time,

Manual transmissions: Sticking with history

There is more than one flavor of manual transmission, as technology has provided for more efficient and more driver-friendly shifting over the years. Common in older vehicles is the sliding-mesh gearbox. This one engages gears by moving the main shaft with gears that are located either to the left or to the right of the