Back when I started in this business, most technicians were expected to build three or more units a day. In some production facilities they had people tearing...
Back on the Bench
A long time ago, an old man once told me, “if you think you know everything there is to know about transmissions, it’s time to find a new profession.” At...
I recently had the pleasure of dealing with a 2010 6R140 with a 2-3 flare that became worse as the temperature increased. Once the problem is identified, I...
Sometimes the simplest things in the world can lead to the biggest of headaches. I’ve known of many people, including myself, that will build ZFs, Mercedes...
The ZF6HP21 has been around for some time. If you haven’t seen one yet you’re sure to see it soon. This transmission uses other names like the 6R60, as...
CVTs have been around for some time but there’s always been one nagging part that keeps people from working on them: Getting the parts. Sure, the information...
Normally, when a road trip is planned, it’s planned out using some form of map or GPS. Imagine going on that trip without the use of either. There’s a...
Many transmissions by various manufacturers use pressures switches to monitor the presence of fluid in a circuit. Some early GM’s used them for determining...
In our last article about overdrive clutch failure on a 68RFE, we left off at surface damage where the valve body contacts the case. Your next step is to...
There are some things in life that have little meaning, while others stick with you till the grave. One of the many things my father taught me has stuck with...
After a certain number of years in the industry, you might think you’d have heard everything. That’s usually when you get the call that lets you know, you...
Like most other transmission, as the years go by, the 722.9 is hitting the bench more and more often. And, over the past few years, we’ve seen some common...
It’s easy to know the right thing to do after the problem’s fixed; it’s a little more difficult to track down the actual problem to begin with...
Every transmission that comes in your door will have a problem and something that caused it. Sometimes the problem is outside the transmission, sometimes its...
You’ve no doubt heard the old saying: “Don’t judge a book by its cover.” That old saying can be revised for the modern diagnostician: “Don’t judge...
The key to repairing any problem successfully is twofold: You need to address the problem and the cause. Fix only the problem without addressing the root cause...
