The 2006 GMC Sierra was the last full model year of the GMT800 platform. There was a limited run of “classic” Sierras that ran in with the GMT900 in 2007. These trucks are over ten years old. It is hitting the point that your 2006 Sierra may be having transmission problems. Below, you’ll find a ton of … Read more
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 more
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 more
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 more