Transmission Digest

Transmission Digest Transmission Digest serves as a prime resource used as shops find the parts, supplies and services necessary for successful and profitable operation.
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Serving the Transmission Industry for more than 30 years! Beyond the missions of providing education and reference materials, Transmission Digest serves as a prime resource used as shops find the parts, supplies and services necessary for successful and profitable operation. Nine of the 12 issues published each year are focused on the products, services and suppliers relating to a specific profit center within the retail shop. Features: Transmission Digest has created a unique relationship with its readers over the years by providing direct person-to-person content on an ongoing basis. Because of this contract we provide: *Monthly cover articles featuring major manufacturers and suppliers that offer the latest in automotive products, tools, equipment and services to repair facilities *Shop features that highlight professional repair-shop operators and their technicians who have a unique story that can help other shops improve their business operations *Industry news that keeps readers informed about government regulations, industry leaders, business updates and industry trends Technical: The latest technical and diagnostic updates on transmission repair, replacement and rebuilding – all from professionals who work on everyday repair problems – to help technicians: *Shift Pointers *Up To Standards *TASC Force Tips *Technically Speaking® Management/Marketing: Business-management information from experienced professionals who know how to help shops prosper in today’s competitive marketplace. *Captain Reman *It's Your Business

05/26/2020
Toyota AWD Differential Bearing Noise

🎥 NEW VIDEO: Differential Bearing Noise

Toyota AWD Differential Bearing Noise
(Always refer to OE product and technical information)

Toyota uses a rather unique rear differential design which involves not only a viscous coupling but also an electromagnetic coupler. Model variations determine the basic design of the viscous coupling unit. Vehicle applications such as the RAV 4 use a design in which the electromagnetic coupler is attached to the differential, separate from the viscous coupling.

A Siena van for instance, has the electromagnetic coupler contained within the viscous coupling assembly although ultimately both designs operate in the same way.

Due to the fact, that the large bearing which supports the viscous coupling is somewhat exposed to the elements the bearing can fail over time. The upgrade provided by Toyota in effect adds a large seal to the assembly to avoid this problem. A TSB (T-SB-0080-13R1) was issued by Toyota addressing this failure along with product and repair information.

From the Transtar Industries Garage Studio

Certain Toyota AWD models suffer from differential bearing noise. Mike Riley explores these issues in this episode, covering diagnostics. — Toyota uses a rat...

05/19/2020
Converter Lockup Diagnosis: Subaru TR580

Converter Lockup Diagnosis/Repair: Subaru TR580
(This repair does not require lifting the vehicle)

Normally, when a Subaru transmission exhibits a lockup condition while driving and sets a diagnostic code such as P2763, it is an indication that there may be an issue with a lockup solenoid. At that point most of the time, the vehicle will be put on a lift in order to drop the pan to check out the TCC system. Most of the time, but not always as is the case of the Lineartronic TR580 CVT which has the valve body located on top of the transmission instead of the bottom.

To gain access to the valve body requires removal of certain interior items along with harness brackets and wires bolted to the transmission top cover. Once done the top cover can be removed along with the valve body. Before disassembly however, TCC solenoid resistance can be easily check.
One problem currently though is solenoid availability. The OE dealer will only sell a complete valve body and beyond that the TCC solenoid appears to be hardwired to the other solenoids. It does require a little extra effort however, it can be replaced. Before pricing a job be aware of the circumstances and availability.

Note: If a Subaru arrives at the shop with a possible bearing noise and is equipped with a TR580 the cause may be a bad drive pulley front bearing. If so, bearing availability may be limited and it is not available from OE.

From the Transtar Industries Garage Studio

Subaru TR580 Converter Lockup Diagnosis/Repair* Normally, when a Subaru transmission exhibits a lockup condition while driving and sets a diagnostic code suc...

The May issue of Transmission Digest is now available!—IN THIS ISSUE:RE0F09A • 6R140 • 6T70 • U15E• Transmission Kits• C...
05/14/2020

The May issue of Transmission Digest is now available!

IN THIS ISSUE:
RE0F09A • 6R140 • 6T70 • U15E
• Transmission Kits
• COVID-19 & the Industry
• It's Your Business
• Powertrain Products

https://www.transmissiondigest.com/magazine-archive/

05/08/2020
Ford RWD 6 Speed Transmissions: Ford 6R100 vs 6R80

Ford 6R100 vs Ford 6R80
Is one better than the other? Or better suited for different situations? In this episode of Transmission Tech, Mike Riley explains each unit’s pros and cons.

From the Transtar Industries Garage Studio

Mike Riley discusses the Ford 6R100 and the Ford 6R80, including each unit’s pros and cons. Is one better than the other? Or better suited for different situ...

05/01/2020
DCT Part2: Wet and Dry

Transmission Tech: DCT Part2

Mike Riley continues the discussion of dual clutch transmission operation, includes an overview of components AND compares wet and dry DCTs.

From the Transtar Industries Garage Studio

Mike Riley continues the discussion of dual clutch transmission operation. Riley also includes an overview of components as well as a comparison of wet and d...

04/23/2020
DCT Part1: Dual Clutch Tranmission Operation

Transmission Tech: Dual Clutch Transmission (DCT)

In this episode, Mike Riley begins a video series on DCT design, diagnostics and repair.

From the Transtar Industries Garage Studio

Mike Riley describes the Dual Clutch Transmission (DCT), a newer style of transmission that's like two transmissions in one. Due to the complexity, the DCT c...

04/17/2020
Remote Assisted Programming

Transmission Tech: Remote Assisted Programming

Mike Riley discusses Remote Assisted Programming, or RAP. Specifically, Mike covers the RAP 2 and Euro kit. Watch to learn how to navigate this subject with ease.

From the Transtar Industries Garage Studio

Mike Riley discusses the RAP 2 and Euro kit functions and directions. Watch to learn how to navigate this subject with ease. — Due to the extensive informati...

04/08/2020
Transmission Filtration

Transmission Tech: Transmission Filtration

Mike Riley shows you how transmission filtration helps with diagnostics and how it has transformed over the years.

From the Transtar Industries Garage Studio

See how transmission filtration helps in diagnostics and how it has transformed over the years.

The CVT 7:The design, simplicity and functionality make it a favorite for many… But it has its problems!
04/06/2020
The Problematic CVT 7 - Transmission Digest

The CVT 7:
The design, simplicity and functionality make it a favorite for many… But it has its problems!

Wayne Colonna breaks down the problematic nature of the CVT 7.

03/27/2020
Ford 6R140

Transmission Tech: Ford 6R140

Mike Riley covers the massive Ford 6R140
Designed and released by Ford in 2010 for use in the company’s large trucks, Mike Riley discusses the history of this unit and provides important repair information.

From the Transtar Industries Garage Studio

The Ford 6R140 was internally designed by Ford and released in 2010 for use in the company’s large trucks. in this video, Mike Riley discusses the history of...

03/21/2020
6 Speed Front Wheel Drive Automatic Transmission

NEW VIDEO

Transmission Tech: 6 Speed Front Wheel Drive Automatic Transmission
Mike Riley tackles the Mazda FW6AEL… Specifically, he takes a look at the one way clutch on this unit.

From the Transtar Industries Garage Studio

Transmission Tech: Mazda FW6AEL Mike Riley tackles the Mazda FW6AEL in this episode of Transmission Tech. Specifically, he takes a look at the one way clutch...

Our 2020 Buyer's Guide is NOW AVAILABLE!—You can read the entire March issue of Transmission Digest online!—This issue i...
03/18/2020
Transmission Digest

Our 2020 Buyer's Guide is NOW AVAILABLE!

You can read the entire March issue of Transmission Digest online!

This issue includes:
• 2020 Buyer's Guide
• Technically Speaking: 6R80 with Auto Stop/Start
• TASC Force Tips: Converter Limit Values When
Dealing w/Hydraulics
• R&R Tech: NAG1 w/No Shift
• RemanU: Fanciest Tools Not Always Necessaary
• It's Your Business: Pricing Over the Phone

ALSO: Publisher's Note, Industry News & Highlights and Powertrain Products

Transmission Digest - Transmission Digest March 2020

03/12/2020
GM 6T40 Pumps

"The pump is the heart of any automatic transmission."

Transmission Tech: Pumps
Mike Riley discusses several transmission pump assemblies, including important repair details as well as the varied types of pumps.

From the Transtar Industries Garage Studio

Mike Riley discusses several transmission pump assemblies, including important repair details as well as the varied types of pumps.

03/06/2020
GM 6T40 TEHCM

Transmission Tech: TEHCM

Learn what separates the 6T40 computer unit from most other transmissions. In this episode of Transmission Tech, Mike Riley discusses computer controlled transmissions (CCT), and more specifically that found in the GM 6T40.

From the Transtar Industries Garage Studio

TEHCM (Transmission Electro-Hydraulic Control Module) Learn what separates the 6T40 computer unit from most other transmissions. In this episode of Transmiss...

Automatic Transmission: Fast & SimpleRepairing a BYFA-family transmission with shift complaints.
03/03/2020
Fast and Simple - Transmission Digest

Automatic Transmission: Fast & Simple
Repairing a BYFA-family transmission with shift complaints.

Wayne Colonna describes repairing a BYFA-family transmission with shift complaints.

02/28/2020
GM 6T40 Rotating Clutch Drum

Transmission Tech: GM 6T40 Rotating Clutch Drum

Differences in the 6T40 rotating clutch drum generations explained by Mike Riley, who also provides helpful repair information.

From the Transtar Industries Garage Studio

Differences in the 6T40 rotating clutch drum generations explained by Mike Riley, who also provides helpful repair information.

Technically Speaking:An Inexpensive Fix for the 4R70W—The bearing that is being used in this updated carrier is exactly ...
02/27/2020
An Inexpensive Fix for the 4R70W - Transmission Digest

Technically Speaking:
An Inexpensive Fix for the 4R70W

The bearing that is being used in this updated carrier is exactly like the one Ford uses in their 5R110W transmission for the front planetary. If your shop can lay hands on extra captured needle bearings, the fix is easy.

The bearing that is being used in this updated carrier is exactly like the one Ford uses in their 5R110W transmission for the front planetary. If your shop can lay hands on extra captured needle bearings, the fix is easy. Knock out two small pinion gears and you gain easy access to the bearing for r...

Hydraulics Fundamentals: Manual ValvesAn understanding of hydraulics is essential for properly diagnosing and repairing ...
02/24/2020
Hydraulics Fundamentals: Manual Valves - Transmission Digest

Hydraulics Fundamentals: Manual Valves
An understanding of hydraulics is essential for properly diagnosing and repairing transmission problems. This article is one of a series by Sonnax exploring how valves and hydraulic circuits work and what results when they quit functioning correctly.

An understanding of hydraulics is essential for properly diagnosing and repairing transmission problems. This article is one of a series by Sonnax exploring how valves and hydraulic circuits work and what results when they quit functioning correctly.

02/20/2020
GM 6T40 Friction Plates

Transtar Industries Garage Studio
Transmission Tech: GM 6T40 Friction Plates

Mike Riley discusses repair procedure tips when dealing with the friction plates on a GM 6T40, as well as discussing the history behind the different generations of these pieces.

Mike Riley discusses repair procedure tips when dealing with the friction plates on a GM 6T40, as well as discussing the history behind the different generat...

Shift Pointers:Wayne Colonna tells the story of a MAXA transmission slamming into reverse in a Honda Accord—"The big que...
02/18/2020
Slamming reverse in MAXA - Transmission Digest

Shift Pointers:
Wayne Colonna tells the story of a MAXA transmission slamming into reverse in a Honda Accord

"The big question to ask is how did a slightly mis-adjusted TRS cause a slam into reverse?"

In this Shift Pointers, Wayne Colonna tells the story of a MAXA transmission slamming into reverse in a Honda Accord.

If you're involved in performance/racing at all, there's an article in PRI's digital magazine you should read:
04/10/2019
Harnessing Electric Horses

If you're involved in performance/racing at all, there's an article in PRI's digital magazine you should read:

> Limitations on EV racing are falling by the wayside as innovators lead > the charge into ambitious efforts in open wheel, drag, autocross, > rally, h

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03/12/2019

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Transmission Digest
03/12/2019

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03/23/2016
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01/04/2016

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