While the TH400 and TH350 transmissions may not be in production anymore, but they both still enjoy quite a life in the performance and racing communities. The shifters that came with these transmissions do not lend themselves well to precise shifting mechanics. In breaking down which shifter is best, we approached it from the perspectives of … Read more
One of the most common (and most frustrating) problems that happens to the 4L60E is when it loses 3rd and 4th gear at the same time. This leaves you driving around a car or truck that screams down the road. So, what causes the no 3rd gear or 4th gear problem? Below are some common … Read more
GM changed the name of the 700R4 in the middle of its production cycle. The new name was 4L60. After a few years the 700R4/4L60 became the 4L60E around 1992. This is cost a total of confusion with people looking to buy the right transmission. Now in the aftermarket world, the 700R4 is almost always … Read more
The 4L60E transmission was found behind the majority of GM rear wheel drive vehicles for the almost 20 years. Are 4L60E transmissions the same? No they are not. More importantly, not all 4L60E transmission are compatible with one another. We’ll go over some of the bigger differences in order to help you better understand … Read more
Swapping from the 4L60E to the 4L80E is not difficult to do in vehicles that were equipped with both transmissions. Here are the main parts that you are going to need in order to make your own 4L60E to 4L80E swap kit. It’s not the easiest swap to do, and a 4L60E can handle a … Read more
The P1810 Transmission code means that the transmission is operating at full line pressure do to a problem TFP manual valve position switch or the wiring associated with it. This switch opens and closes five different pressure switches, which control the transmission line pressure, and in turn has a direct impact on how hard your … Read more
Even from the factory, the 4L60E can handle some serious horsepower. The newer the model, the better off it’s going to do with no modification. A common myth that people believe is that to handle some serious horsepower you need a 4L80E. This is not the case. A well-built 4L60E can handle over a thousand … Read more
If you find your 4L80E transmission is stuck in limp mode, it’s a great idea to check where the fuse is located. It’s pretty easy to do. So without further ado, here’s how to locate a 4L80E fuse. Locating the 4L80E Fuse The 4L80E fuse is located in the engine bay. You’re going to … Read more
The 2003 Chevy Silverado was the 5’th year of the GMT800 platform truck. After five years, most of the issues with these trucks had been worked out. Now, these trucks are getting older, and it’s very likely that your 2003 Chevy Silverado may be having transmission problems. Below, you’ll find a ton of troubleshooting your … Read more
The transmission fuse for the GMT800 Silverado is located under the hood right next to the battery. You may want to check and see if the transmission fuse has blown if it’s stuck in limp mode. Limp mode is something that a transmission will do to protect itself from catastrophic failure. For the Chevrolet Silverado … Read more