Rear Diff Locker + Stabilitrak = Ok?

By Benjamin Dover
April 15, 2009 in Ask A GM Technician

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Benjamin Dover

Posted April 15, 2009

Hey all. I have a 2008 GMC SIERRA, half ton, 2wd. It currently has 3.23 gears in the rear end and an open differential. I want to put 4.11 gears in the rear end and want to put an E-locker or air locker in as well.

2 things....

1. Will the locker interfere with the function of the stabilitrak system or visa versa?

2. If 4.11 gears get installed do I only have to calibrate the odometer via the computer? I heard when gears get changed it can cause the abs light to come on...is that true?

Thanks for any help.

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