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Old 10-07-2009, 10:21 AM   #1
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Used Rubicon

I'm looking at an 03 Rubicon. Is there a quick, easy, simple method to use to check if the lockers are still operational? I do not remember how the lockers in that model year operated, electronic or air. Any input I could receive would be greatly appreciated as I have become rusty and not kept up with the current operations on the lastest model Jeeps. Thank you!
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Old 10-07-2009, 09:30 PM   #2
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they are operated by air.. there are two small pumps on the back side of the t case skid plate. if you hit the locker switch you should hear the pumps kick on if they both turn off the lockers should be engaged.

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Old 10-07-2009, 09:33 PM   #3

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Well the most fun way would be to find a nice mud hole... Or use a car lift and see if all the tires turn once the button is pushed.
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Old 10-08-2009, 08:33 AM   #4
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Press button once to engage Rear Locker, press button again to engage Front after rear has locked. Press for 3rd time disengages both lockers.

It has to be in 4LO inorder to work, safety switch. Also make sure you are atleast on some gravel if your going to try.

You should be able to hear the air pumps, but sometimes its too hard to hear with the vehicle running. Atleast with on gravel and when you turn you should hear the rear tires as if they are trying to grip. Careful turing with the front locked since it can be harsh on the front axle u-joints.

98TJ / Hi-Lined / Zip Lockers / 35s

Family Rig / Tow Rig: 08 Tundra & 16ft Trailer
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