How to Delete or Disable Active Fuel Management (AFM)
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How to Delete or Disable Active Fuel Management (AFM)

AFM or active fuel management is a GM/Chevy technology meant to improve gas mileage. AFM works by deactivating half of the engines cylinders under certain circumstances to reduce fuel usage. It essentially turns your V8 engine into a V4 which saves fuel. GM claims fuel improvements ranging from 5%-15% depending on the engine. So why…

1999-2006 Chevy Silverado & Sierra Fuse Box Diagram
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1999-2006 Chevy Silverado & Sierra Fuse Box Diagram

The fuses are the heart of your Chevy’s electrical system. Nearly every system in a car that requires battery or electric power (windows, door locks, lighting, stereo, etc. etc.) is wired and powered through a fuse. The battery sends power to the fuse which then transfers it to the specific system on the car. The…

What is Vortec MAX? Vortec vs. VortecMAX
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What is Vortec MAX? Vortec vs. VortecMAX

In 2005, GM began badging Silverado and Sierra trucks with a “VortecMAX” engine badge leading to a lot of questions around the difference between the standard 6.0L Vortec engine it used and the high output engine used in the trucks badged as VortecMAX. While the VortecMAX was predominantly a branding play by GM, it did…

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1999-2006 Chevy Silverado Brake Line Failure & Routing Diagram

The brake lines in 1999-2007 GMT800 Silverado’s, Sierra’s, and Suburbans are very prone to rusting out and needing replacement. For individuals who live in “salt” states, where cities commonly salt the roads to prevent ice, the brake line rusting is even more common. In 2010, a class-action lawsuit was filed as rusted brake lines were…

The 8 Most Common Chevy Silverado & Sierra Problems (2007-2013 GMT900)
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The 8 Most Common Chevy Silverado & Sierra Problems (2007-2013 GMT900)

The 2nd generation Silverado’s and GMC Sierra’s were produced from 2007 to 2013 under the GMT900 chassis code. These trucks all used engines from GM’s small-block V8 Vortec engine family, such as the 4.8L, 5.3L, and 6.2L. While all of these engines are known for their reliability, there are a number of common problems with…