Category: transmission

P1800 Trouble Code; Symptoms, Causes, and How to Fix

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

Posted in tech, transmission, Trouble Codes

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

Posted in 4L60E, tech, transmission

How Long Does it Take To Replace a Transmission

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

Posted in transmission, troubleshooting, Uncategorized

PO700 Code

  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

Posted in transmission, troubleshooting Tagged with: ,

What to do When Your Transmission Light Comes On

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

Posted in transmission, troubleshooting

4L60E VS 4L80E Differences   

4L80E vs 4L60E Differences

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

Posted in transmission


  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

Posted in 4L60E, transmission

Torque Converter Replacement

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

Posted in tech, transmission

Should You Replace or Rebuild your Transmission?

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

Posted in tech, transmission

Prolong the life of your transmission

A transmission is only as good as its owner, and the rigors that they put it through.  There are a few things that you can do to prolong the life of your transmission. Change the fluid when the manufacturer suggests

Posted in tech, transmission