



K&W 402508 Trans-X Posi Trac Limited Slip Gear Oil Additive - 7 Fl Oz
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Robert Works
> 3 dayI have used this product for many years in 1998 Ford Explorer XLT, V6 engine, auto transmission and does exactly what it is supposed to do in a posi-traction differential which require a limited slip additive. Differentials require service every couple of years (3-5) depending on use and mileage, as the lubricant thickens and becomes black, so its time for rear end service. Once removing the rear end cover proceed to drain and clean, apply a new rear end cover gasket to the cover and seal the differential. I squeeze in a tube of this stuff and fill with 3 quarts of the recommended synthetic gear oil for your car or truck, until the lubricant starts to pour out of the fill hole. I have never had any problems, no leaks, no noises, no shuttering, just a smooth sailing ride with something so simple and easy as part of routine maintenance every few years. Check the differential every year, fill if needed. Happy motoring!
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Mark Garety
> 3 dayI picked this up in a pinch for my 2008 Ford Mustang GT when I was changing our the rear end gears. I couldnt get my hands on the Ford friction modifier, so I picked up a tube of this instead. I was a little skeptical because I knew nothing about it. However, is been two weeks since I put this in my differential, and everything has been just fine. I dont get any chatter from the limited slip differential. Everything feels normal with the car. I would use this again.
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Lsailor1
> 3 dayGood stuff! Here is how i used it: How to change the differential fluid in a 2012 Dodge Challenger 3.6 liter. Link: https://www.youtube.com/watch?v=3HJ6zoGZy5k
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Justin DeVincentz
> 3 dayGood product.. the rear in my truck feels like its a little bit smoother
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Keith P.
> 3 daySmooth posi traction.Product works.
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Bud
> 3 dayGreat additive for my 02 Explorer w/ limited slip differential. Keeps the clutches from chattering.
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doodle
> 3 dayeasy to use and will quiet noises from limited slip rear end
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Corey
Greater than one weekI don’t like the way the bottle is shaped, I had to use some tools I had around the house to get the tube in the rear dif hole 2011 camaro ss rs The sound from the rear differential is slowly going away after just 20 minutes I will update if I real care but so far so good I hope it works like the comments Next day the chatter has went down a lot !!! I would say this work just it completely hasn’t went away so now I think I have some other type of damage in my dif but yeah I’m happy
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MJC
> 3 dayI had to replace all of the side gears, spider gears and clutch packs in my 8.8 Ford Trak-Lok. On opening the box I was worried about this products validity, as it did not smell like a rotting half dead cats peed in the box. The stuff from Ford typically does smell wicked awful. I went ahead and used it to soak the clutch plates ahead of time, and then added the rest of the tube to the gear oil as it went into the differential housing. It seems to work fine, the rearend has not chirped, clunked or barked a tire since.
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Choo choo
> 3 dayEasy to get into rear diff with the package design