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 the transmission line pressure, and in turn has a direct impact on how hard your … Read moreP1800 Trouble Code; Symptoms, Causes, and How to Fix

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 better idea of what you’ll be getting into. The two main driveline types are front … Read moreHow Long Does it Take To Replace a Transmission

4L60E VS 4L80E 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 physical size (the 4L80E is bigger) and the amount of horsepower that they can handle … Read more4L60E VS 4L80E Differences   


  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 moreGMPT 4L60E