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Old 09-05-2010, 08:35 AM
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Pinion yoke nut vs weekend warrior...

Pinion yoke nut....2

Three weeks ago, I tried to change my front pinion seal on my 2004 TJ. I bought everything that I might need to do the job, including a manual impact driver (hammer style) and a breaker bar. I put the jeep on jack stands. Started tearing it apart, but was unable to break the nut loose with any single implement or combination of tools that I could find at my disposal. I even tried to put a pipe on the breaker bar to increase my leverage.

Fast forward two weeks. I broke down and bought an electric powered impact wrench (Dewalt 1/2" drive). Wanted to get an air powered tool, but couldn't afford it right now. I did not jack up the jeep this time and started the job again. Put a regular socket on the impact wrench (not a special impact socket.). The socket is not a hexagon style but is a 12-16 point socket (less bite on the nut). Anyhow, the impact gun wouldn't move the nut. It did do a little damage to the corners of the nut though. I tried three times to no avail. So I hadn't sprayed it with penetrating fluid before so I did spray it down with some that I had on hand. Put it back together and decided to let the mechanics have at it.

Or have I? Two days later, I'm posting to you all to get your thoughts...
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Old 09-05-2010, 08:40 AM   #2
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That nut is on too tight for anything but a really powerful impact wrench, only the most expensive biggest electric impact wrenches are strong enough while nearly any 1/2" air impact wrench is strong enough. That plus the fact that nut should also be being held on by red Locktite.

At this point, I'd give it to someone with an air impact wrench which will make quick work of that nut. I had a HELL of a time with pinion nuts myself until I finally got a shop air compressor so I can run big air tools.

When you have a choice, buy American.
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Old 09-05-2010, 09:49 AM   #3
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Hit the pawnshops.I've seen quality name brands go for next to nothing.
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Old 09-05-2010, 09:58 AM   #4
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How bout trying it oldskool...put your breaker bar on it and a good piece of cheater pipe. Wedge it under the lower control arm with a small block of wood as a cushion. Then hop in you jeep and put it in 4lo, ease forward very slowly and the nut should break loose. I know this is kinda scarey redneck way to do it, but it works Did it up until 10 years ago when I was able to afford real tools
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