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  • Extra Set of Eyes Saves the Day
    Friday, March 2, 2018 1:43 PM
    In addition to the OEM-spec remanufactured transmissions we build, we also offer a series of heavy-duty transmissions available in three different stages. This article examines the installation of our Road Ripper™ 3000 (stage 3 unit) in a 2005 Dodge 2500 pickup equipped with a 5.9L diesel and a 618/48RE transmission.
  • ‘Rebuilt’ salvage-yard transmission, hmmm …
    Wednesday, January 3, 2018 3:45 PM
    We had a local general repair shop bring us a 2014 Jeep Grand Cherokee 3.6L V-6 engine equipped with a ZF 8-speed (845RE) transmission; they had just installed a “rebuilt” transmission that was sourced from a salvage yard. The customer’s stated concern was, “The place that built the transmission just said it needed to be programmed.” Needless to say, we knew that this was going to be an adventure.
  • R & R Tech: Overdrive Solenoid Déjà vu All Over Again
    Friday, December 1, 2017 12:01 AM
    About a month ago a customer came into our shop with a 2008 Chrysler Town & Country equipped with a 4.0 liter V6 engine and a 62TE transmission. He was complaining that it had a whining noise, and sometimes it would not shift and seemed to stay in the same gear. When the vehicle was hooked to the scan tool it had a code for the overdrive solenoid control circuit (P0760). The fluid was at the correct level and smelled like normal fluid; however, it was dark purple indicating possible metal contamination.
  • Wednesday, November 1, 2017 12:00 AM
    Mike Greer’s advice: Don’t turn away an all-wheel Mini Cooper just because it seems too complicated.
  • Verify What the Scan Tool is Telling You
    Sunday, October 1, 2017 12:00 AM
    Every now and then we run across a vehicle that has a concern we have seen many times before and we almost automatically try to diagnose it by memory; it's almost like a reflex we develop over time. Of course as we all know too well, this can lead you down the wrong path if you stray away from complete testing and verification.
  • Understand Systems Involved in Diagnosis
    Wednesday, September 6, 2017 9:47 AM
    A while back we had a customer come into our shop stating, “The vehicle sometimes has a VSC (Vehicle Stability Control) error and won’t go past fourth gear, but today it seems fine.” The vehicle was a 2007 Lexus LS460 with 132,561 miles, and equipped with an AA80E 8-speed transmission and a 4.6L engine. As with routine diagnosis, I started with a road test, a scan of all modules, and an undercar inspection.
  • Blame it on Missing Harness Retaining Clips
    Monday, August 7, 2017 10:05 AM
    The subject vehicle that was fitted with one of our remanufactured transmissions six months prior showed up at one of our repair locations recently, with the customer concern of an intermittent bumpy 1-2 shift, and a low-power lugging sensation along with a CEL on. While performing our initial evaluation, we found a P1860 code stored in history, but not current. During the road test the truck was working well with no clear signs of what set the DTC, but after several minutes of driving it started to act up. The TCC was applying right on top of the 1-2 shift, but according to the scan-tool data, was not being commanded on by the ECU.
  • An ASE Quiz (Not an Official ASE Test Question)
    Tuesday, July 11, 2017 3:22 PM
     A 1998 Mustang GT shifts good through all gears and has converter lockup, but the speedometer is dropping out after driving a short distance. The scan tool shows that there is a VSS signal and reads correct speed when the speedometer drops out. There was a code in history for the VSS but after clearing it did not return.
  • Verifying Repairs: This is Where We Dropped the Ball
    Thursday, March 9, 2017 3:51 PM
    For this installment of R&R Tech I would like to take some time to discuss how engine performance can affect the transmission operation. We have all heard it before; the engine must be running properly in order for the transmission to function correctly. What does “properly” mean in this scenario? We all use different terms when we tell the customer, “You need to get the engine running properly” or good, correct, better, whatever terms we use; in our minds it all means the same thing. We either see or feel something that is not right with the engine performance and to try to protect our investment (our remanufactured product) by telling the customer that it needs to get repaired in conjunction with the transmission replacement. How far do we need to go with this? Just tell the customer and leave it up to them, or do we require them to have it checked/repaired and return it to us for inspection?
  • Get all info the customer has before starting
    Monday, February 13, 2017 11:10 AM
    I have covered some general concerns that have arisen from aftermarket tuning devices and software in a couple of previous articles. I don’t want to sound like I just keep repeating myself, but the problems keep coming through the doors making this an ongoing relevant discussion. I don’t know if it’s just because I am more aware of these issues and maybe look for them more than some folks do, but somehow these vehicles find their way to our shop after the customer has been bounced around from shop to shop before they get referred to us. In this article I am going to cover one specific issue that I had ran into a few months back.
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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.

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