Jason 
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
If you have a 4L60E with a blown fuse, we’ll help you find it’s location. It’s not that hard to get to. This can be the problem that is causing your truck to go into limp mode, since the 4L60E will default to limp mode whenever it’s not getting a signal from the TCM. Fuses are … Read more
The 2002 Chevrolet Avalanche came with two automatic transmissions. It had no manual transmission option. The standard transmission for these trucks was the 4L60E. The heavy duty transmission option was the 4L80E. They are both four speed overdrive transmissions. Most of these trucks are going to have the 4L60E since that was the transmission that … Read more
When adapting your car from a 4L60e to 4L80e, there are really two parts to the process. Getting the wiring right is the first part, and the second is making the 4L80E fit in the vehicle. If you are swapping a 4L80E into a vehicle that has never had one before, we strongly recommend searching … Read more