You searched for - Transmission Digest
Don’t fear customer complaints about CVTs

Continuously Variable Transmissions, or CVTs, are more common than you think. Audi, Subaru, Nissan, Ford, GM and many other automakers use CVT transmissions in cars and SUVs. There is no way to avoid them. Chances are there is one in your shop right now. What does CVT mean for technicians? On the maintenance side, a

CVT-Transmission-2
Alto introduces aluminum oil pans for Chrysler transmissions

Alto has introduced new aluminum oil pans for Chrysler/Dodge A727, 46RE/RH, 47RE/RH and 48RE transmissions. There are two options: a ribbed design (pictured above) or a honeycomb design. Both come with a drain plug and 14 bolts. Transmission coverage includes:

Alto-028354A-1400
Sonnax introduces heavy-duty ‘A’ clutch backing plate

Sonnax has introduced a new heavy duty “A” clutch backing plate (part no. 35577-45) for Chrysler 845RE and 850RE, and ZF 8HP45, 8HP50 and 8HP51 transmissions. Sonnax says that this plate can eliminate the flexing/bowing of the clutch pack that leads to comebacks in these transmissions, and recommends installing them in units that have not

TransGo releases S4 regulator valve for 2018-on GM 8L45, 8L90

TransGo highlights its new oversize S4 regulator valve for 2018-on GM 8L45 and 8L90 transmissions. According to TransGo, when General Motors made a change to the S4 regulator valve in both the 8L45 and 8L90 transmissions, the updated two-land design and computer command strategy resulted in significant increased wear, even at low mileage. TransGo says

TransGo-8L90-S4LATE-TK-1400
2024 State of the Powertrain Industry

The Transmission Digest Annual Survey of Retail Shops has served as benchmark and planning tool for the industry now for the past 38 years. Charts and tables in this study are based on a survey of subscribers that was conducted early this year.  Where differences are obvious, we separate the responses of transmission specialty shops

state-on-industry-feature-1400
Powertrain industry directory and buyer’s guide 2024

This is the latest in TD’s annual series of directories for the powertrain industry. Companies that supply products to the powertrain aftermarket are listed in alphabetical order. Because data changes frequently, only organizations that have updated information with Transmission Digest in the recent past are included. Every precaution has been taken in the preparation of these listings; however,

Powertrain-Industry-Directory
Shift Pointers: A Chrysler 300 no-shift complaint

The case study has to do with a 2009 Chrysler 300 C 5.7L Nag1 RWD with 71,923 miles on it (see Figure 1, above). It is based on a second opinion where a customer’s instinct combined with family member’s urging to seek a second opinion saved this customer a significant amount of money. First, a

American Powertrain introduces new transmission install tool and seal protector

American Powertrain has introduced a new seal protector and install tool, now included with every Tremec TKX and Magnum transmission kit the company sells. It is also available as a standalone product. Designed as a multi-function tool that can prevent fluid from escaping during service, the seal protector is splined on the inside and features

A guide to common GM, Ford and Nissan programming issues

One of the most common complaints I hear from shops when trying to install a new GM TCM is, “The module will not communicate.” While that might be partially true, by design they won’t communicate until they are programmed. If programming fails, there will be an “E” code set which will help you get to

Shift of the shaft: Diagnosing Chrysler 48RE manual shaft issues

The TorqueFlite transmission has been around since mid-to-late 1950s. There have been many changes surrounding the manual shaft and rooster comb through the years. This transmission shaft controls the position of the manual valve that directs oil for the gear ranges, but it also is used for a Reverse light control as well as Park/Neutral