Jk jeep regear

Asked by Apr 12, 2016 at 10:50 AM about the 2013 Jeep Wrangler Sport

Question type: Car Customization

Jeep has 2 1/2 lift installed 4:56 gears and
now get drone sound at 40-50 mph. What
could cause this. Jeep is jk 2 door sport
with 15000 miles and 35 in tires.

3 Answers

90,845

What are the engine RPM's at that speed? Exhaust system tight? How aggressive are the tires, possible tire noise?

15

If the lift was suspension did you turn the axels? You may be putting unnecessary strain on the bearings?

15

I'm trying to remember... is there an adjustment on the diff for gear lash? That could also be a problem if you just replaced the gears in the front and rear. I'm kind of shooting in the dark a bit becuase it depends on whether it has the dana 44's or not.

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