Transmission Digest's 2021 Supplier Profiles

Transmission Digest’s 2021 Supplier Profiles

The following pages contain powertrain industry profiles, key people and product information from leading companies in the marketplace. These profiles typically serve as an introduction for companies participating in autumn trade shows which, this year, have been canceled due to the Covid-19 crisis.

Companies include: Evolution Driveline; Freudenberg NOK; Jasper Engines & Transmissions; Precision International; Raybestos Powertrain; Sonnax; Stellar / Lubegard; Transmission Specialties; WIT; and Zumbrota Drivetrain.

Download the PDF for the 2021 Supplier Profiles.

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10L80 and 10R80 pump gear differences

You may have seen an article in the August 2023 issue of Transmission Digest called “GM 10L80: A new kind of pump noise,” which goes over how the front cover housing in the 10L80 is fitted with a converter drive gear and idler gear. The idler gear drives the pump’s driven gear, and is press

You may have seen an article in the August 2023 issue of Transmission Digest called “GM 10L80: A new kind of pump noise,” which goes over how the front cover housing in the 10L80 is fitted with a converter drive gear and idler gear. The idler gear drives the pump’s driven gear, and is press fitted to this housing by way of a ball bearing (see Figure 1). It is this bearing that goes bad, making the aforementioned new kind of pump noise. 

Top 20 Tools and Products: The Winners

Transmission Digest readers voted during the past several weeks to select this year’s top products and tools from those nominated in our December issue. This year, rather than separate contests, voting was for a combined tool and equipment contest, with 20 winners rather than 10. Winning entries appear in the following images, but are in

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Performance supplier listings 2024

Below is TD’s compilation of manufacturers of components, parts, etc. for performance transmissions for 2024. Click the images below for company names and contact information. Related Articles – Shift Pointers: What to do when the 62TE TRS tab breaks – Going the extra mile: Proving your transmission repair suspicions – Diagnosing Ford 10R60, 10R80 and 10R140

Shift Pointers: What to do when the 62TE TRS tab breaks

How frustrating it is when on a hot summer day, as you go to open a nice cold can of your drink of choice, and the tab breaks off? You are outside, away from any tools to remedy the problem quickly. It now requires a MacGyver mentality looking around at the resources available to get

Going the extra mile: Proving your transmission repair suspicions

A 2003 Honda Pilot with a five-speed three-shaft transmission came into our shop with a customer concern that the vehicle had no power, and the “D” light was flashing. I first did a scan for codes to see what it came up with, and the scan tool returned four DTCs: P1298 (ELD voltage high), P0135 (H02S

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Sonnax introduces Smart-Tech clutch kit for GM 4L series

Sonnax has introduced a new Smart-Tech clutch kit for optimizing clutch capacity and guarding against clutch burnup in GM 4L60, 4L60-E, 4L65-E and 4L70-E transmissions. This kit (part no. 77734-01K) includes eight .067-in. BorgWarner high-energy frictions and seven .095-in. Lindered steels recommended for use with Sonnax Smart-Tech input housings. Related Articles – American Powertrain introduces

Sonnax introduces oversized low reverse/overdrive clutch regulator valve kit

Sonnax has introduced a new oversized low reverse/overdrive (4-5-6) clutch regulator valve kit (part no. 144740-43K) for Ford 6F35 transmissions, generations one, two and three. Related Articles – Alto releases friction and steel module for ZF 6HP transmissions – BendPak introduces new full-rise scissor lifts – Alto introduces aluminum oil pans for Chrysler transmissions Sonnax

Sonnax introduces heavy-duty ‘A’ clutch backing plate

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Sonnax highlights Chrysler RFE Sure Cure kits

Sonnax highlights its Sure Cure kits for replacing worn areas in Chrysler RFE series transmissions. Related Articles – Aircat 1⁄4-in. mini die grinder released – Alto introduces Ford 10R series cartridge filter – TransGo highlights 68RFE valve body reprogramming kit Part numbers include: These kits cover Chrysler 45RFE, 545RFE, 65RFE, 66RFE and 68RFE transmissions.