Is itNormal for the front tires on the NP249 to slip on wet pavement ? -
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post #1 of 7 Old 09-08-2011, 10:07 PM Thread Starter
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1998 ZJ 
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Is itNormal for the front tires on the NP249 to slip on wet pavement ?

I noticed when i drive my 5.9 on dry roads that have tar or sealant on them and im turning my wheel that my front wheels always seem to slip or make skidding noises. They do this on wet roads also. I recently replaced my viscous coupler and i hadnt noticed this before until recently when they put that sealer on the roads in my neighborhood and also the gas station lot. Like when i back out of my parking spot and turn the wheels almost fully locked to get outa there after i go back in drive the front wheels makes skidding noises like the wheels are grabbing and sliding.

Also tonight when i made a u-turn on the wet pavement outside from all the rain we've been getting. Just curious if this normal in these conditions cause it has me questioning this new viscous coupler. Its probably nothing but i want to know if you guys get the same noises on these types of road conditions. Like also when i make a full lock u-turn i dont really get wheel hopping (altho that is unavoidable even with a working VC on full lock) but my tires sound like they are shredding on the road, specially if i give it good gas the rear tire that is on the inside of the turn sounds like its slipping.

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post #2 of 7 Old 09-08-2011, 10:16 PM
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i had the same problem and i looked around and someone mentioned that i needed some special fluid from mopar instead of atf so i put that in and most of the "slipping" went away

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post #3 of 7 Old 09-08-2011, 10:23 PM Thread Starter
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Like the noise is the skidding noises you hear in concrete parking garages when people make sharp turns and there tires slip, as for the fluid, that shouldnt do anything as its a closed system. The special fluid is what lubricates the couplers in the Quadra drive and Quadra trac transfer cases in the Wj's
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post #4 of 7 Old 09-09-2011, 12:03 AM
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Sounds like your new coupler is bad.
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post #5 of 7 Old 09-09-2011, 02:34 AM Thread Starter
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Well i dunno its wierd, cause my tires arent wearing out like they were with the old bad VC, and i dont have issues making u-turns like i did before. Basicly my front tires squeel when i make turns on slippery surfaces like concrete, or aspalt thats had tar put on, or wet roads
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post #6 of 7 Old 09-09-2011, 05:58 AM
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Originally Posted by Falkon View Post
Sounds like your new coupler is bad.

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post #7 of 7 Old 09-09-2011, 06:37 AM
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Mine does the same thing when i pull in to like mcdolnalds because its that slick tar coating. ive found all the 249 jeeps ive drove make that noise.. even my 242 does it sometimes even if in 2wd.

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