4L60 vs 4L60E: Comparing the Differences

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

Are all 4L60E transmissions the same?

Are all 4L60E transmissions the same

  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

4l60e to 4l80e swap kit

  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

4L80E Fuse Location

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

1999-2006 Silverado Transmission Fuse Location

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

2002 Avalanche Transmission + Problems

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

4L60E to 4L80E adapter

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

2002 Trailblazer Transmission

The 2002 Chevrolet Trailblazer is the second model year of the first (and only in the U.S.) of GM’s once popular midsize SUV.  Almost without exception, the transmission that came in these trucks was a 4L60E.  The only exception ever was the Trailblazer SS that would come in later model years.  Now, depending on what … Read more

2006 Trailblazer Transmission

2006 is the first model year for the Chevrolet Trailblazer where every single unit manufactured didn’t come with the 4L60E.  That’s due to the introduction of the Trailblazer SS, which needed a more powerful transmission and got one in the 4L70E.   2006 Trailblazer Transmission Fluid  Capacity The Transmission fluid capacity on a 06 Trailblazer … Read more