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Old 09-26-2009, 10:14 AM   #1
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Limited slip trac-loc

Just bought this '97 TJ SE, and am changing fluids....
How do I tell if I have the limited slip differential or not? Apparently the Tracloc requires a friction control additive, to be added whenever a fluid change is made......thanks in advance for any guidance here!

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Old 09-26-2009, 10:15 AM   #2
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most likely an se does not have it, also many fluids are approved for limited slip differentials, so an additive would not be needed

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Old 09-26-2009, 10:55 AM   #3
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most likely an se does not have it, also many fluids are approved for limited slip differentials, so an additive would not be needed
Thanks Dave - appreciate the help!
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Old 09-26-2009, 12:24 PM   #4
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I always use Lucas gear oil! It has the additive! As much as I change it I can afford synthetic!
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Old 09-26-2009, 02:20 PM   #5
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Two ways to tell... one, the factory installs a steel tag at the 1 o'clock position advising of the requirement for a Friction Modifier additive if the Tracloc is present. Or, jack up the rear so both tires are off the ground and spin one tire forward with your hand. If the other tire moves in the same direction a Tracloc is present. If the other tire moves in the opposite direction, there is either no Tracloc present or if present the Tracloc's clutch pack is worn out. There will also be a sticker on the inside of the glove compartment door warning of a limited slip's presence if it's there.

99% of the gear lubes you'll find on the store shelves will have the required Friction Modifier additive already there. If it's there, the back label will say something like "Compatible with Limited Slip Differentials" or words to that effect. If it's there, don't add any more.
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Old 09-26-2009, 10:34 PM   #6
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Two ways to tell... one, the factory installs a steel tag at the 1 o'clock position advising of the requirement for a Friction Modifier additive if the Tracloc is present. Or, jack up the rear so both tires are off the ground and spin one tire forward with your hand. If the other tire moves in the same direction a Tracloc is present. If the other tire moves in the opposite direction, there is either no Tracloc present or if present the Tracloc's clutch pack is worn out. There will also be a sticker on the inside of the glove compartment door warning of a limited slip's presence if it's there.

99% of the gear lubes you'll find on the store shelves will have the required Friction Modifier additive already there. If it's there, the back label will say something like "Compatible with Limited Slip Differentials" or words to that effect. If it's there, don't add any more.
Thanks Jerry, this is great information. sounds like you know your Jeeps!
On my axle there is a steel tag, only it is at the 7 to 8 position...?
Will check this out though, sounds like good info, again, thanks!
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Old 09-26-2009, 11:49 PM   #7
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On my axle there is a steel tag, only it is at the 7 to 8 position...?
That is the tag that gives your axle ratio.

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