The first vehicle is a 2007 Ford Edge SEL that has had a used transmission installed by a General Motors dealership.įor the sake of full disclosure, I have no idea why the transmission was replaced. The procedures required to perform a transmission replacement on newer vehicles differ from manufacturer to manufacturer, but for today we will pick on Ford. The key is to do the research, determine if the correct tooling is available, and then quote the customer. Regardless of the situation, consulting service information before performing a repair is critical for a shop to determine if they have the correct tooling and knowledge to complete the job correctly.
Jatco CVT’s, for example, that are installed in some vehicles, may even require programming of the PCM and the TCM followed by a specific sequence of key cycles that allow the programming to complete and the chip in the CVT to “shake hands” with the other modules. Some vehicles require registration of valve body and shift solenoid ID’s to ensure proper shifting operation. Other vehicles need configuration procedures that require a capable scan tool. Many of today’s vehicles have Transmission Control Modules (TCMs) that are part of the valve body and require programming. Modern transmissions may require more than just resetting learned values. Resetting Transmission Adaptive Pressures (TAP) has also been an integral part of transmission repairs on General motors vehicles. Since the 1990’s we have had to reset Clutch Volume Indexes (CVI) on Chrysler vehicles. The days of installing a remanufactured or used transmission in a vehicle and sending it down the road are now a thing of the past.
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