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
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
Transmission replacement time can vary greatly between vehicle models and driveline types. There’s no one size fits all answer to this question. But, by focusing on the two types of driveline you’ll be working on, it’s possible to get a better idea of what you’ll be getting into. The two main driveline types are front … Read more
The PO700 trouble code is a code thrown out by an automatic transmission whenever it detects that there is trouble. It is a general code. This means that it should be accompanied by some other code that should tell you the specific problem. PO700 is and OBDII code and not just GM. If you are … Read more
When the transmission light comes on it is important to pay attention to your vehicle. If your car or truck is still driving properly, it is not the time to panic. We’ll help you determine what is wrong with your transmission, and why the light is on. Here are a few simple steps that you … Read more
There are many differences and a few similarities between the 4L60E and the 4L80E transmissions. If you don’t feel like reading a whole article on it the main differences between the two transmissions come down to two things; their actual physical size (the 4L80E is bigger) and the amount of horsepower that they can handle … Read more
The 2003 Chevy Trailblazer was built on the same platform as the Colorado and GMC Canyon twins. They were both rear wheel drive and used the same drivetrain components (for the most part). Trailblazers used the 4L60e across the board regardless of which engine was in front of it. But, these particular versions of the … Read more
The GMPT 4L60E is a GM automatic transmission. Some 4L60E’s will have this stamped on the case, usually on the bellhousing portion. The GMPT itself stands for General Motors Powertrain. It’s similar to the way that MD8 was stamped onto the 700R4. GMPT Folklore. Many enthusiasts see this stamp on the case and get … Read more
Replacing a torque converter is relatively easy to do. Getting to the thing is an entirely different story. There are many reasons that you may wish to replace it. Maybe your transmission is slipping? This site is geared toward the performance crowd (well a little bit), so we are will cover stall speed and torque … Read more
It’s a question that I hear about a lot. If you don’t feel like reading a long in depth article on the subject, the short answer is it depends on what they do to the transmission during the rebuild. Rebuilt Pros: The number one advantage of going with a rebuilt transmission is going to be … Read more