GM 9.25 IFS Gear Swap DIY - Reckless Wrench Garage

**The GM IFS 9.25" axle is built by American Axle & Manufacturing (AAM). There is also a solid axle (front and rear) version of the 9.25". This video is specifically for the IFS axle.
There are various specs listed all over the web for the 9.25" IFS. The choice is yours to choose whichever you'd like to use.**

The GM IFS (Independent Front Suspension) axle is a strange chunk of mechanical wonder. It's an aluminum case, split nearly down the center-lengthwise, that contains the innards of a typical live axle. When taken apart, the carrier just kinda plops out and the pinion stays inside. It just seems weird to call it an axle...it's more like a confused easter egg.
At any rate, if you're rebuilding or re-gearing a GM 9.25" IFS axle this video may be of use to you. The process is very much the same for the GM 8.25 IFS; however, the specs may differ.

This video format assumes the viewer already has some general knowledge of what it takes to install a set of gears in an axle.

Specs:
*Ring Gear Torque - 75 ft lbs
*Clam Shell Bolts - 35 ft lbs
*Pinion Bearing Preload -
15 - 22 in lbs with new bearings
7 - 9 in lbs with used bearings
*Backlash - .006" - .010" (.012"-.020" on the gauge)

Let us know if this video actually helped, or if it was the worst possible how-to video you have EVER watched.


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