2005 GMC Sierra Transmission Problems

The 2005 GMC Sierra was the 6th year of the GMT800 platform truck.  Now, these trucks are getting older, and it’s very likely that your 2005 Sierra may be having transmission problems.  Below, you’ll find a ton of troubleshooting your transmission problems.  The 2005 Sierra was a carryover from the 2004 model year. First and foremost, … Read more2005 GMC Sierra Transmission Problems

2004 GMC Sierra Transmission Problems

The 2004 GMC Sierra was the 6th year of the GMT800 platform truck.  Now, these trucks are getting older, and it’s very likely that your 2004 Sierra may be having transmission problems.  Below, you’ll find a ton of troubleshooting your transmission problems.  The 2004 Sierra was a carryover from the 2003 model year. First and foremost, … Read more2004 GMC Sierra Transmission Problems

2003 GMC Sierra Transmission Problems

The 2003 GMC Sierra was the 5th 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 Sierra may be having transmission problems.  Below, you’ll find a ton of troubleshooting your transmission problems. … Read more2003 GMC Sierra Transmission Problems

4L60E No Overdrive Diagnosis

The 4L60E is a for speed automatic transmission with a .70 overdrive.  The overdrive gear is gear number four.  As the 4L60E ages, one of the most common problems that it develops is that it won’t shift into overdrive anymore. Without overdrive, your vehicle turns into a time machine and takes you back to an … Read more4L60E No Overdrive Diagnosis