Why does my GMC Sierra not have a transmission cooler?
One of the common issues with transmission cooling on the 14+ Sierras and Silverados is the bypass valve within the factory transmission line. This valve is designed to prevent complete fluid flow until the trans temps reach 190F+.
What are the features of a GMC Sierra 1500?
Key Features: 1 Industry-first use of carbon-fiber composite in a pickup bed 2 World’s First Six-Function GMC MultiPro Tailgate 3 Accessory MultiPro Audio System† (21) by Kicker ® 4 Available 3.0L Duramax ® Turbo-Diesel engine with 10-speed automatic transmission or available 6.2L V8 Engine
Why are my transmission lines leaking on my Chevy Silverado?
However, over time, it is common to find your Sierra or Silverado’s transmission lines leaking and they will need to be replaced. It is common that you will find your transmission lines are leaking due to rusting out over time, especially if you live in an area that is more prone to causing your truck to rust.
Where does the GMC Sierra 1500 AT4 go?
This quadrennial event challenges teams to drive through Canada, Alaska and into the Arctic Circle. With temperatures well below freezing, see how these three used their Sierra 1500 AT4 to witness beautiful backdrops and experience some of the most isolated regions of North America.
Are there transmission issues with the GMC Sierra 1500?
General Motors issued a Technical Service Bulletin to address the customer issues, but based on comments made by owners, the fix is not guaranteed to solve the problems. A class-action lawsuit was filed over the transmission issues last year. We’ll post any further developments with this story as we receive them.
Why is my GMC Sierra not locking in overdrive?
It’s way less expensive than replacing a bad torque converter. Transmission Not Locking in Overdrive – The 4L60E and 4L80E both have torque converters that lock. That is to say when they are moving at a certain speed, they’ll lock and create a direct 1:1 connection between the engine and transmission.
What causes a GMC Sierra to go into limp mode?
That makes taking off much better on the transmission. In either first or second gear, the torque converter slips more than it normally would on a takeoff. Most of the time, limp mode is caused by loss of signal to/from the TCM. Either the wiring harness has a short or the transmission fuse is blown.
Why is my 2004 GMC Sierra not moving?
It is pretty applicable to the 4L80E as well. Not Moving in any Gear – If your 2004 Sierra Transmission has a problem moving in any gear, it’s likely caused by a lack of transmission fluid. No matter how silly that sounds, and how convinced you are that it’s not the problem, go ahead and check it anyway.